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Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	0	UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY// REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT 1 National Security Agency Cybersecurity Directorate 2 3 Cross Domain Solution (CDS) Design...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	1	SWE, QAT Page 2 of 397 Disclaimer 26 References herein to a ny commercial products, process, or service by trade name, trademark, 27 manufacturer, or otherwise, do not constitute an official endorsement, either expressed or implied, by the 28 National Security Agency. 29 References herein to any commercial pro...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	2	rds or guidelines do not 40 imply a claim that products are in conformance or nonconf ormance with such standard or guideline. 41 Classification markings used in the requirements sections are for example purposes only. This document 42 is UNCLASSIFIED //FOR OFFICIAL USE ONLY //REL TO USA, ARE, BHR, FVEY, ISR, JPN, ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	3	L USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 3 of 397 Table of Contents 61 LIST OF FIGURES ................................ ................................ ............	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	4	........................... ................................ ................................ .... 23 68 1.4 CLARIFICATION ON TERMINOLOGY USAGE ................................ ................................ ................................ ............. 23 69 1.5 REQUIREMENTS TERMINOLOGY ..........................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	5	....... ................................ ................................ ............ 27 76 2.3 CDS OPERATIONS , MAINTENANCE , & LIFECYCLE ................................ ................................ ................................ .... 28 77 3 CDS DEFINITIO NS ................................ ................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	6	........... ................................ ................................ ........... 40 84 6.2 OPERATIONAL ENVIRONMENT RISK ASSUMPTIONS ................................ ................................ ................................ .. 41 85 6.3 CYBER ENVIRONMENT RISK ASSUMPTIONS ..............................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	7	(RAIN) EXPLAINED .................... 53 92 7.4 PLATFORM SECURITY ................................ ................................ ................................ ................................ ....... 56 93 7.5 FILTERING ................................ ................................ .......................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	8	, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 4 of 397 9 GENERAL REQUIREMENTS ................................ ................................ ................................ ........................ 129 100 9.1 SAFETY REQUIREMENTS (SR) ................................ ..................................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	9	......... ................................ ........ 131 107 9.8 NETWORKING RELATED REQUIREMENTS (NRR) ................................ ................................ ................................ .... 132 108 10 GENERAL SECURITY REQUIREMENTS ................................ ................................ .....	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	10	WARE CONFIGURATION REQUIREMENTS (SIHCR) ................................ .................... 188 116 10.8 PROCESS ISOLATION REQUIREMENTS (PIR) ................................ ................................ ................................ ........ 195 117 10.9 ROLE-BASED ACCESS CONTROL (RBAC) REQUIREMENTS ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	11	......... .... 234 124 10.16 DOMAIN ROUTE R REQUIREMENTS (DRR) ................................ ................................ ................................ ....... 235 125 10.17 FILTER REPORT VALIDATOR REQUIREMENTS (FRVR) ................................ ................................ ......................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	12	REQUIREMENTS (GDFR) ................................ ................................ ..................... 245 133 11.2 GENERAL XML AND FIXED FORMAT PROCESSING REQUIREMENTS (GXFFPR) ................................ ............................ 258 134 11.3 MILITARY MESSAGING FIXED FORMAT DATA FILTERING AND PR...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	13	......................... .................. 283 142UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 5 of 397 15.2 DCCDS -FF/CCOTS ARCHITECTURE...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	14	149 16.2 LAB-BASED SECURITY ASSESSMENT (LBSA) REQUIREMENTS (LBSAR) ................................ ................................ ..... 292 150 16.3 SITE-BASED SECURITY ASSESSMENT (SBSA) REQUIREMENTS (SBSAR) ................................ ................................ .... 293 151 17 MULTI -LEVEL DATA...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	15	OMMISSIONING AND REUSE REQUIREMENTS (CDRR) ................................ ................................ . 327 159 25 HARDWARE -BASED CDS AND HARDWARE -BASED COMPONENTS REQUIREMENTS (HWCR) ..................... 327 160 25.1 HARDW ARE-BASED CDS/C OMPONENTS GENERAL HARDWARE REQUIREMENTS (HWC -GHR) ...............	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	16	STANDARDS ................................ .............................. 352 168 31 APPENDIX C – RTB REQUIREMENTS MAPPING FOR ACCESS CDS ................................ ............................... 355 169 32 APPENDIX D – RTB REQUIREMENTS MAPPING FOR HCFD, PFD, AND HARDWARE CDS ................................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	17	of Figures 178 FIGURE 1 – PITCHER /DIODE/CATCHER (PDC) ARCHITECTURE ................................ ................................ .............................. 34 179 FIGURE 2 – UDP -1: THE SINGLE PROCESS GUARD ................................ ................................ ..................................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	18	................. 80 186 FIGURE 9 – ADP -1 THE “DOUBLE STAR” GUARD ................................ ................................ ................................ ............. 80 187 FIGURE 10 – ADP -2: MULTIPLE DOMAIN LINEAR ASSURED PIPELINE ................................ ................................ ....	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	19	8: REMOTE VDI ACCESS CDS ................................ ................................ ................................ ............. 92 195 FIGURE 18 – ADP -9: TACTICAL ACCESS CDS WITH EMBEDDED TRANSFER CDS ................................ ................................ ....... 93 196 FIGURE 19 – ADP -10: ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	20	..................... ............................ 109 203 FIGURE 26 – OWTDP -1: TRADITIONAL DIODE PATTERN ................................ ................................ ................................ .. 112 204 FIGURE 27 – OWTDP -2: TRADITIONAL DIODE PATTERN FOR BIDIRECTIONAL DATA FLOWS .........................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	21	........... ...... 120 212 FIGURE 34 – OWTDP -4C: MULTI-DOMAIN CDS + CDS INTEGRATED WITH DIODE W /HIGH THREAT CONNECTIONS PATTERN (BI-DIR) – 213 OPTION 4 ................................ ................................ ................................ ................................ .................... 121 214 ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	22	PATTERN ................................ .......................... 284 221 FIGURE 42 – COMPOSED COTS UNIDIRECTION AL CDS DESIGN PATTERN ................................ ................................ ............. 285 222 FIGURE 43 – COMPOSED COTS BI-DIRECTIONAL CDS DESIGN PATTERN ..........................	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	23	.............................. . 318 228 FIGURE 49 – DFSR -ADP -1 SINGLE PHYSICALLY ISOLATED DFS ENVIRONMENT ................................ ................................ ...... 321 229 FIGURE 50 – DFSR -ADP -3 PER DOMAIN DFS ENVIRONMENT ................................ ................................ .........	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	24	.................. 352 237 TABLE 6 - APPROVED ALGORITHMS FOR SRTP ................................ ................................ ................................ ............... 353 238 TABLE 7 - APPROVED ALGORITHMS FOR DATA-AT-REST ................................ ................................ ...............	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	25	3.0 Released – Changelog details removed for brevity in V 4.0. See version v3.0 and below for detailed changes. 18DEC2021 4.0 Released – Changelog details removed for brevity in V 5.0. See version v4.0 and below for detailed changes. 11JUL2022 4.1 Released – Changelog details removed for brevity in V 5.0. See...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	26	ated SIR -14 to include logging Added SIR -16 to detect process death Added clarification to send of OWTDP -2 about Impl B and Impl C being physically separate servers Added JALSR -42 Added SASR -16 and 16.1 Updated Clarification for RMANR -10 Added CMSR -11 Added POLF to JALSR -1 Fixed minor typo in SIR...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	27	1 to clarify independent. OWT -17 now a SHALL Added FSR and DFSR sections Updated to required NIST -800 Rev 5 and related updated to CNSS - 1253 and CDS Overlay Added RHRR -4 requirements to support overriding filteringUNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, S...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	28	S drawing Added ACDSR -8 Added OWT -31 Added Clarification to MPCR -4 Changed DRR -8 from “the DR” to “a DR” Added OSSR -27.2.1 Rewrote part of MPCR -4 requirements to impro ve clarity and expanded the clarification MPCR -7 make interface/protocols both plural Added clarification to MPCR -10 Added clari...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	29	MLSWNR -2.1 add IGMP and MLD Added rationale to MPCR -32 MPCR -6 Changed ‘within a system ’ to ‘within a specific CDS ’ Added T&W for MPCR, PAR, and DRR Added Clarification to DPMR -12.15 MPCR -28 changed to should Added rational to OSSR -27.1 Added Section 8.3.4 on hardware content filtering devices (HCFD) ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	30	Access CDS Added VIRT -8.3 HWR has largely been written to address changes for HCFDs, the new tactical CDS patterns from RTB 4.1, and the changes required for the CDS Anti -tamper requirements. It is stron gly recommend ed that entire section be reviewed carefully. Added HWR -16, -17, and -18 HWR -5.1 deleted...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	31	PN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 13 of 397 12DEC2022 5.0 rev39 24DEC2022 5.0 rev40 -42 Added GCHQ CDS papers to references Added SIR -17, 17.1, 17.2 28DEC2022 5.0 rev43 Added SIR-11.5 Moved ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	32	of sections 6.4 headers to phrase as threats Split OWT -28 and added OWT -28.1 Updated Figure 22/HCFD to reflect DCO OOB connection for the HCFD Added HWR -19/20 for sending logs from a HCFDUNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	33	out deprecating low side filtering in PDC in future release. Added Clarification to GAR -1.1 16JAN2023 V5.0 rev 52 Added Clarification to OWT -12.3 Added Clarification NRR -8.1 Minor wording tweaks to GAR -1.1 GAR -7.2 reword to improve clarity Added Clarification to GAR -9.2 Updated section 9 intro on cla...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	34	Update rationale. DPMR -8 2nd sentence moved to Clarification EDSR -1 2nd sentence moved to Clarification and fixed wording issue. Multiple updates to EDSR -15 and its sub -requirements and clarifications to improve clarity Added T&W to FRVR section Update d Figure 35 – OWTDP -5 Architecture to show DCO OO...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	35	OR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 16 of 397 clarification about send original failed fail to DCO OOB Moved 2nd sentence in GDFR -27 to GDFR -27.1 Remove clarification from HWR -10.1 and moved to Section 1.7 8FEB202...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	36	21FEB2023 V5.0 rev65 Added Clarification to NRR -7 Added “PFD” to OWT -29 Added “per destination” to OWR -31 28FEB2023 V5.0 rev 66 -69 Added TPR-13.7 Added TPR-13.8 29FEB2023 V5.0 rev 70 Major updates to CMSR to handle both CMS servers and CMSUNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY,...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	37	apply to clock and voltage glitches SFPGA -6, SFPGA -2 Deleted. WNVFPGA -4 Deleted. Updated ADPs 10 -13 to remove support for the management CPU 27APR2023 V5.0 rev79 MLS -3 visit subject/object issue. Updated MLSWNR -5 and MLDBR -5.1 to support the new S OSA v2 standard for Layer 2 labeling of packets. ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	38	n for CNSA v2.0 support CMSR -0.0.1 changed to SHALL Added Appendix I – Alignment of RTB requirements to NIST Controls 244 1 245 1.1 246 1.2 247 1.2.1 248 1.2.2 249 1 250 251UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	39	nt of Defense ( DoD ) Information Security Risk Management 262 Committee (ISRMC) in December 2017 . In the DoD Chief Information Officer (CIO) 263 memorandum “Implementing Cross Domain Bug Bounty Remediation ” dated 5 April 2018 all 264 CDS used by the DoD shall be compliant with RTB by FY2020. Under NSD -42 a...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	40	ent without 277 further explanation . 278 • Security Assessment of Cross Domain Solutions (CDS): Process and Requirements 279 (NCDSMO Doc ID: NCDSMO -R-0000 3-004_00) describes key concepts and 280 terminology related to the assessment ( e.g., security testing) of CDS . 281 • Cyber One-Way Taps Technical Requir...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	41	nd general guidance on the scope of testing 287 required for different changes to a CDS . 288 • Cross Domain Solution (CDS) Development and Testing Environment Security 289 Requirements (NCDSMO Doc ID: NCDSMO -R-00011 -001_ 01) describe s the security 290 requirements for CDS development and testing environment ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	42	303 • Using Linux Secure Computing (SECCOMP) Mode in Cross Domain Solutions 304 (NCDSMO Doc ID: NCDSMO -G-00050 -001_ 01) 305 • Manage and Secure Processes on Linux -based Cross Domain Solutions Using 20ystem 306 (NCDSMO Doc ID: NCDSMO -G-00051 -001_00 ) 307 • Using Linux Namespaces and Control Groups (CGROUP) t...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	43	01_00 ) 322 Implementing RTB requirements substantially reduces the risk of an unsu ccessful L ab-Based 323UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	44	that is accepted into the LBSA 335 process prior to 1 January 2028, shall comply with the requirements contained within this 336 version or a newer version of this document. A new CDS, or modifications to an existing CDS, 337 accepted into LBSA after 1 January 2028 shall comply with an approved version of this...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	45	f CDS product ) chang es will be assessed using the version of RTB used to 350 test the Major/Tenths version of the CDS. This applies only the RTB v5.0 and higher . 351 2) The NCDMSO may, at its sole discretion but in consultation with the developer and lab, 352 allow CDS with tenths -level changes to be assessed u...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	46	l new threats, resolve ambiguities, resolve issues found 361 during LBSA that could impact multiple CDS , and provide securit y requirements for new 362 capabilities that cannot wait until a new yearly release of the document3. The latest version of a 363 yearly release is considered the valid and active version ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	47	omatically adjust by shifting the Dev & Test and Deployment 374 timelines to the right each year until a new document is released. 375 1.2 Tailoring of Requirements 376 The NCDSMO recognizes that not all RTB requirements apply to a specific CDS and even to all 377 classes of CDS and that all RTB requirements ca...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	48	The terms CDS Developer and CDS Vendor are interchangeable in this document. If a CDS is developed by a Government PMO, then the PMO would be consi dered part of the CDS development team.UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFI...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	49	occasionally uses the term s Low and High to refer to security domains. In most 397 requirements or examples, i t does not discuss domain s beyond Low and High. However, u nless 398 otherwise stated or implied ( e.g., in the diode section), the requirements in this document apply 399 to CDS that support multiple (...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	50	rity. 412 May 413 The word may, or the adjective optional , mean s that the requirement is truly optional. 414 Systems are permitted to implement but are not required to implement . 415 Should 416 5 RFC 2119 – "Key words for use in RFCs to Indicate Requirement Levels ”, https://www.ietf.org/rfc/rfc2119.t...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	51	elopment. 426 The NCDSMO understands that some deviations in the design and requirements may be 427 necessary f or different mission applications, operational or unique threat environments, and 428 technology choices. The NCDSMO also understands that security technology continually 429 evolves. If a developer or ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	52	etworks. Start migration to hardware -based filtering for high 443 threat network connections to Classified NSS . Expected in 2025 release. 444 2. Support for cryptographic modules certified against FIPS 140 -2 will be removed in a 445 future revision. Expected in 202 6 release. See https://csrc.nist.gov/projec...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	53	emoved in favor of 455 the more secure HTTP Boot in 202 4. 456 5. Use of Virtual TPMs for VM s will be required in the next release (VIRT -28). 457 1.8 CDS and Cryptographic Devices 458 (U//FOUO) The requirements in th is document apply to all cryptographic dev ices that embed 459 CDS functionality. Some NSA Cer...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	54	loy existing Enterprise Cross Domain 471 Service Provider’s ( ECDSP ) enterprise CD service or enterprise -hosted CDS when their use 472 satisfies the CD mission requirements of DoD Components. Leveraging another operational 473 CDS, deployment of a CDS from the NCDSMO USG CDS Baseline List, or development of a ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	55	( US) Battlefield Information 486 Collection and Exploitation System (BICES ) Program Office for coalition and bi -lateral 487 networks including Combined Enterprise Regional Information Exchange System 488 (CENTRIXS ) 489UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	56	n understand efficiently . The questionnaire can 501 be obtained by email ing ncdsmo @nsa.gov or by contacting your CDSE. 502 2.1 Buy, Buy and Modify, or Build New? 503 If use of an ECDSP will not support your validated mission requirements , then there are three 504 options (provided here in order of prefer...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	57	t Warfighting Cloud Capability (JWCC) , https://community.hacc.mil/s/jwcc 7 For more information on the criteria for ECDSP and which ECDSPs exist contact the NCDSMO at ncdsmo@nsa.gov (NIPRNet), ncdsmo@nsa.smil.mil (SIPRNet), or ncdsmo @nsa.ic.gov (JWICS).UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR,...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	58	LBSA) is required for new 531 CDS . 532 o This approach is the most expensive, has the highest technical and authorization 533 risk, and has the longest timeline to deployment . 534 o If this is the option that must be selected, consider leveraging a proven CDS 535 developer. 536 ▪ The divisions of most compan...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	59	cost, and schedule risks. 550 2.2 CDS Testing (also called Assessment) 551 Beyond the normal internal functional and security testing performed by the developer , there are 552 typically three types of CDS testing activities conduct ed by external entities : security, integration 553 and interoperability , and ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	60	o confirm the interoperability 563 between the CDS and the system(s) with which it is being integrated . For CDS integrated 564 with weapon or C4ISR systems this is usually performed by the Joint Inter operability 565 Test Command (JITC).8 566 • Flight/Vehicle Safety Testing: Testing of the CDS system to confirm i...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	61	tained and enhanced to address new cyber threats , 583 component obsolescence , and RTB compliance until the CDS or the system it is 584 embedded in is decommissioned . 585 • Operating systems and CDS components will eventually reach end of life and 586 8 https://jitc.fhu.disa.milUNCLASSIFIED//FOR OFFICI AL USE...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	62	isms. 596 Audit Data – Specific enumerated structured events from the operating system kernel, operating 597 system application, or CDS processes. 598 Central Audit and Loggin g Daemon (CALD) – The p rocess responsible for receiving CDS 599 audit and log events from CDS components, syntactically and semantical...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	63	followi ng devices are not considered a CI: 611 keyboards, mice, and video cards (for the purposes of display). 612 Complex Document Data – This is a type of data that cannot be precisely defined and validated 613 via a ruleset or schema and can contain one or more embed ded data types . Examples include 614 M...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	64	E, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 30 of 397 built specifically for the CDS. CDS processes can be multithreaded. CDS processes do not 624 include software programs that are provided by the operating system developer and are required 625 for the operating s ystem to function ( e.g., cron , ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	65	ine the route (within the CDS) the data must take to reach the appropriate destination 637 security domain(s) based on the filtering rules applied. The dataflow filtering policy also 638 implements the CDS portion of foreign partn er information exchange agreements when a transfer 639 CDS is used to transfer data t...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	66	ally includes controlling the read, write, delete, and execute 651 access to files, directories, networking ports, Inter -Process Communications (IPC) mechanisms, 652 9 Data Hiding and Data Disclosure are sometimes lumped together and called Data Loss Prevention (DLP). 10 Universally Unique Identifier (UUID) - ht...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	67	devices based on owner, group, and others12. DAC 653 can be used to implement limited process isolation and flow control. File system Access Control 654 Lists (ACL) are considered part of the operation system DAC implementation . 655 Domain Router (DR) – The CDS filter process responsible for the transfer of...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	68	ent Format (PDFs ) files). Filters can operate on a Pass/Fail model or Pass with 667 Change model. The Pass with Change model is the preferred model for imp lementing filters. 668 Filters may generate digitally signed filter reports in some CDS implementation models. Some 669 filters consist of a filter controller t...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	69	r grouping of CDS) . Filter policy IDs are 680 assigned by the CDS when the filter policy is created , are unique , and are never reused in order 681 to maintain integrity of the audit record . 682 Filter Report Validator (FRV) – This process independently validates filter reports from the 683 filters and Result...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	70	and validated via a 690 ruleset or schema . Examples include: XML, JavaScript Object Notation (JSON) , Key-Length - 691 Value (KLV), United States Message Text Format (USMTF ), Tactical Digital Information Link 692 (TADIL ) J, and Variable Message Format (VMF). Fixed format data can be textual or binary. 693 ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	71	nation -state or transnational organized crime level) cyber actor is operating. 705 The cyber actor may be operating on the network without the knowledge of the pri mary user of 706 the network. HTNs are also networks for which the cyber hygiene is known to be insufficient, 707 the entities on the network are known ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	72	undant and independent 718 filters . It is the last check in verifying that the destination domain is only receiving content and 719 metadata that are appropriate for that domain. The term “inbound” is relative to the domain n ot 720 the CDS , so the inbound pipeline is sending data to the destination domain. ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	73	ermissions are used. The use of one -way IPCs is preferred to limit 729 the ability of an adversary to exfiltrate filter software and configuration off the CDS if a process 730 (e.g., filter) is compromised. 731 Job Schedule r/Results Processor – Two processes used in combination to implement the core 732 of a Re...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	74	D. 744 Journaled Data – This is data that has been sent to the CDS. Journaled data includes data that 745 has not yet been filtered (e.g., queued waiting for filtering) , data that has successfully completed 746 filtering, data that is in the filtering pipeline and thus still being filtered, or data that failed...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	75	ng its privileges to other subjects; (iii) changing one or more security attributes on subjects, objects, the information system, or system components; (iv) choo sing the security attributes to be associated with newly created or modified objects; or (v) changing the rules governing access control. Organization -def...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	76	ample is a fiber optic isolator. A diode is NOT a CDS itself, but it is a 760 component of a CDS . 761 Outbound Pipeline – This is the first half of an assured pipeline and is located between the 762 originating domain’s PA and the Domain Router . It is the primary filtering pipeline and is 763 responsible f...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	77	a 773 PDC the content is not filtered. 774 775 Figur e 1 – Pitcher/Diode/Catcher (PDC) Architecture 776 Protocol Adapter (PA) – These CDS process es communicate with entities external to the CDS. 777 Protocol Adapters are the only CDS processes that are part of the dataflow that can interact with 778 the ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	78	ity domains. Security Domain examples include Joint Worldwide 787 Intelligence Communication System ( JWICS ), Non-Secure Internet Protocol Router Network 788 (NIPRNet ), Secure Internet Protocol Router Network ( SIPRNet ), Combined Enterprise Regional 789 Information Exchange System (CENTRIXS ) – International Se...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	79	as part of a 800 persistent session without a pre-defined end. The messages may have IDs but do not have file 801 names. Examples of streaming data including Full Motion Video (FMV) , Voice -over-IP (VOIP) , 802 Video Tele-Conference (VTC) , XML or JSON Web Services, and Modeling and Simulation 803 Data ( e.g., ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	80	n two or more security domains (usually 817 networks) operating at different security levels and/or releasability and handling caveats. 818 Transfer CDS do not give users access into a different security domain; they simply 819 18 CNSSI 4009 definition: A type of CDS that facilitates the movement of data betw...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	81	Database (see Section 17). 828 o If an MLS CDS does not allow regrading/relabelin g, read -up, read -down, write - 829 up, or write -down then it is a called a Multi -Level File Repository . A Multi -Level 830 Switch (see Section 18) functions similar to a ML File Repository except that it 831 marshals access t...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	82	core purpose of the device is to provide 844 access to information in another domain not to transfer data . The typical 845 data being transf erred is restricted to keyboard, mouse, video, audio, and 846 smartcard redirection. Remote VDI Access CDS are generally used in 847 Enterprise environments. VM Access CD...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	83	user so that TS data could be added to the document). 21 The CNSSI 4009 definition for Access CDS is : A type of CDS that provides access to a computing platform, application, or data residing on different security domains from a single device.UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR,...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	84	pplies to all classes and all variant s of CDS . In addition, it applies to both 861 Data center and Tactical environment implementations, as described in the following sections . 862 Both Datacenter -class and Tactical -class CDS are used in point -to-point installations . 863 4.1 Datacenter -class Transfer CD...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	85	users (e.g., dataflows) . 874 The DCCDS category suppor ts three broad types of transfer CDS : 875 • Fixed Format Dataf lows (DCCDS -FF): CDS that typically support dataflow s required 876 for the secure, safe, and proper operation of sensors and weapon systems (e.g., processing 877 a radar track and launc hi...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	86	IED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 38 of 397 (UAV) video, satellite/UAV ima ges, Video Teleconference (VTC) , and Voice Over 888 Internet Protocol (VOIP) . These dataflows have low tolerance for latency (e.g., 100ms or 889 less) and moderate -to-h...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	87	designed for use in environmentally constrained condition s (e.g., 902 sand, heat, humidity, shock , and vib ration ) and in most cases are used mainly for fixed format 903 data flows or streaming video/images ( e.g., from an unmanned aerial vehicle (UAV) ). These 904 CDS typically have a low tolerance for latenc...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	88	a CDS: 917 1) Traditional Software Based (TSB) – CDS implemented in s oftware , operating on 918 trusted operating system (OS) (e.g., Solaris® 11 with Trusted Extensions , Red Hat® 919 Enterprise Linux® with SELinux enabled , General Dynamics PitBull® Trusted 920 Operating Sy stem, BAE Systems STO P™ Operati...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	89	Manag ement (SCRM) directives . Compos ed COTS CDS use 931 one or more one-way control mechanisms enforced by hardware (e.g., an optical diode) 932 to provide the domain separation and software (along with supporting hardware) to 933 implement filters . A Composed COTS CDS is not typically implemented using a 93...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	90	ctivities focused on aligning RTB with known threats and 940 weaknesses found in publicly available knowledge bases. It also defines the risk assumptions and 941 threats that are, in part, the basis for the requirements described in this document. The 942 assumptions, as defined below, either reduce or increase the ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	91	955 use-cases . RTB, on the other hand, is targeted to the specific problem domain of CDS and is not 956 limited to what has been seen in the wild. Since it applies to a more constrained problem domain, 957 RTB can be more specific or strict than AC&C. For instance, the OSSR -4.5 requirement fits very 958 well wit...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	92	4 https://attack.mitre.org 25 https://cwe.mitre.org 26 https://capec.mitre.orgUNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JPN, KOR, NATO, NOR, SAU, SWE, QAT Page 41 of 397 struc...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	93	future. 982 6.2 Operational Environment Risk Assumptions 983 This section provides some o f the operational environment risk assumption s for DCCDS and 984 TCDS classes of CDS. The assumptions in this section either reduce or increase the risk to the 985 CDS based on the operational environment. 986 6.2.1 D...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	94	ositive control of the CDS is substantial. 1002 27 Examples include tanks or similar land vehicles , unmanned vehicles (air, water, land), river boats or similar small watercraft, planes, man -portable, and forward operating bases/locations.UNCLASSIFIED//FOR OFFICI AL USE ONLY//REL TO USA, ARE, BHR, FVEY, ISR, JP...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	95	ssentially unbounded threats) networks like the Internet (if not 1013 directly then cascaded from another interconnected system like NIP Rnet ). 1014 • (U//FOUO) The developers of the CDS are not always privy to the true operational 1015 environment(s) in which the CDS will operate. 1016 • (U//FOUO) One or ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	96	system degradation , or cause a denial 1029 of service (DoS). 1030 6.4.2 Malicious Insider (User) 1031 • (High -side user) Attempts to exfiltrate classified or sensitive data to the Low-side by 1032 manipulati ng data sent to the CDS. 1033 • (Low -side user) Attempts to cause a DoS or undermine the integ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	97	in) 1044 • Admins can uni ntentionally misconfigure a CDS. 1045 • Users can unintentionally misuse a CDS . 1046 6.4.5 Attacks from Low-side Network(s) 1047 • Use of the Low-side network to attack the CDS and supporting systems to disrupt the 1048 operations of the CDS. 1049 • Use of the Low-side networ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	98	ccessfully attack and manipulate the CDS component 1062 supply chain. 1063 6.4.8 Insufficient Human Review 1064 • Insufficiently or incorrectly marked content could result in the accidental release of 1065 sensitive information. 1066 • Insufficiently trained RHR Reviewer does not know how to inspect do...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]
Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	99	of mechanisms within content or a protocol that may pose a 1076 data transfer risk, those mechanisms can be grouped into three broad categories: data attack risks, 1077 data hiding risks, and data disclosure risks. 1078 The NSA publishes a series of documents called Inspection and Sanitization Guidance (ISG) ...	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	Draft_2023_RTB_CDS_Design_Implementation_Requirements_v5_0_rev_85	[]	[]	[]

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