1. ?????? VPN ???
1.1. ???????????????? NAT ???
PacketiX VPN ??????? 1 ????????????????????????? NAT (Network Address
Translators) ???????????????????????NAT ????????????????????????????

1.1.1.jpg??????????????? HTTP/HTTPS ????????????????
PacketiX VPN ? HTTPS ???????????????????????????????
?????????????????????????????????????????????????????????????????????????????????
??????????????????????????????? IP ???????????????????????????????????????????
NAT ????????????????????????????????
IPsec?L2TP ??? PPTP ???????? VPN ??????????????????????????????????? NAT ?????
VPN ???????????????????????????? VPN ?????? NAT ??????????????????????VPN ???
????????IPsec ??? L2TP ? ESP (Encapsulating Security Payload) ?????????PPTP ? GRE(Generic Routing Encapsulation) ?????????????????????? IP ?????????????????????????
??????????????? NAT ?????? VPN ??????????????????????????? IPsec?L2TP ??? PPTP????? VPN ??????????????????????????????????????????? VPN ?????????????????????
???????????????? VPN ??????????????????????????????????????VPN ????? L2TP ???
PPTP ???? VPN ????????????????????????????????? NAT ???????????? VPN ?????????
????????????????????????????????? L2TP ??? PPTP ???????????? VPN ??????????????
??????????????????????????????L2TP ??? PPTP ????????????????????????????????
NAT ?????????????????????????

??????????????????????? VPN ?????????????????????????????????????????????????
PacketiX VPN ??????: VPN ???????????? HTTPS ????????
PacketiX VPN ? VPN ???????????? HTTPS ????????????HTTPS (HTTP over SSL) ????
?? TCP/IP ????? 443 ?????????????????? Well-known ???????????????????????????????
?? NAT ??????? HTTPS ??????????????????????????????????

1.1.2.jpg???? VPN ?????PacketiX VPN ??Ethernet over HTTPS????????????????

HTTPS ??????????????????????????Web ???????? Web ??????????????????? HTTPS ??
????????????HTTPS ????????????????????????????????????????????????????????????
HTTPS ????????????HTTPS ???????????????????????????????????????
HTTPS ??????????????????????????????????????????????????? NAT ? HTTPS ???????
??????????LAN (Local Area Network) ?????????????????????????????????????????????
? HTTPS ????????????????????????????????VPN ???????????????????????????????
????PacketiX VPN ? HTTPS ??????????VPN ??????????????????????????????SoftEther
VPN ???? LAN????????????????? LAN ?????????????????????????????????????????
IPsec?PPTP ??? L2TP ?????????? VPN ?????????????????
PacketiX VPN ???????????????????????????????????????????????????????????????????
???????????? VPN ????????????????????PacketiX VPN ???????????????????
PacketiX VPN ??????????????????????????????????????????????????????????? VPN ??
???????????
??????????????? VPN ????????????????????????????????????????????????????????????
??????????????ESP ? GRE ?????? IP ??????????????????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????

?????????????????????? VPN ?????????????????????????????????????????????????????
? VPN ????????????????????????????????????????????????????
????? LAN ????????????????????????????????????HTTP ? HTTPS ???????????????????
???????????????? VPN ??????????????????????????????????????? VPN ????????
PacketiX VPN ???? VPN ????? HTTPS ????????????? VPN ????????????????
??: SoftEther VPN ???? VPN ????????????????????? NAT ??????????????????? VPN ??
???

1.2. ??????? VPN ??????????
PacketiX VPN Server ? 1.1 ???????? HTTPS ???? VPN ????????????????????????
PacketiX VPN Server ? L2TP/IPsec?OpenVPN?MS-SSTP?L2TPv3 ??? EtherIP ????????
???????? VPN ???????????????????????? VPN ???????????????????????????????
???? iPhone?iPad?Android?Windows Mobile ?????????????????????? PacketiX VPN
Server ??????????????????????????????? Cisco Systems ?????? VPN ????????????
L2TPv3/IPsec ??? EtherIP/IPsec ???????????????????????? SoftEther VPN Server ?
VPN ?????????????

1.2.jpg

SoftEther VPN Server ?????????? VPN ????????????????
L2TP/IPsec ??????????
?????????????? L2TP/IPsec VPN ????????????????????????? PacketiX VPN Server ?
VPN ???????????????????????????????????????
iphone.jpg???? Mac?iPhone?iPad ??? Android ?? PacketiX VPN Server ????????
• iPhone• iPad• Android• Windows Mobile• Windows XP / Vista / 7 / 8 / RT
• Mac OS X

IMG_4091.PNG

iPhone ??? Android ? PacketiX VPN Server ????????

ss1.2_2.jpg

GUI ???? L2TP/IPsec ??????????????
OpenVPN ??????????
PacketiX VPN Server ??OpenVPN ?????????? OpenVPN ??????????????????????
OpenVPN ????????? VPN ???????? VPN ???????????????????? OpenVPN Server ?????
? PacketiX VPN Server ????????????????????????????? PacketiX VPN ???????????????
????????????????????????
PacketiX VPN Server ???????? OpenVPN ??????OpenVPN Technologies, Inc. ??????
OpenVPN ???????????????????????????????????PacketiX VPN Server ???? OpenVPN ?
?????????????????????????????????? OpenVPN ?????????????????? VPN ???????????
????????????? PacketiX VPN Server ???????????????????PacketiX VPN ??OpenVPN ??
???????????????? L3 VPN ???????? L2 VPN ?????????????????????
OpenVPN Server ????? PacketiX VPN Server ???????????????????:• PacketiX VPN Server ? OpenVPN Technologies, Inc. ?? OpenVPN Server ?????
????????????????
• OpenVPN ?????????????????VPN ?????????????????? (.ovpn ????) ???????????

• PacketiX VPN Server ? OpenVPN ??????????????????????????? VPN ????????
?????? SSL-VPN?L2TP/IPsec?MS-SSTP?L2TPv3/IPsec ??? EtherIP/IPsec ?????
????????OpenVPN ??????? VPN ?????? VPN ??????SoftEther VPN Server ????
???????? 1 ?? VPN ?????????????????
• ?????????????????? GUI ???????????????????????????????VPN ??????????????
???? 1 ???????????????????
• OpenVPN ????????????????????? (?: Linux?Mac OS X?UNIX?iPhone ???
Android) ?? PacketiX VPN Server ?????????????
ss1.2.jpg

OpenVPN ??????? GUI ?????????????

IMG_4099.PNG

PC ?? OpenVPN ???????iPhone / Android ?? OpenVPN Client ????????
Microsoft SSTP VPN ??????????
PacketiX VPN Server ? Microsoft SSTP VPN ?????????????????Windows 7 / 8 / RT ??
SSTP VPN ???????????????????? OS ?? PacketiX VPN Server ? VPN ?????????????
SSTP (Secure Socket Tunneling Protocol) ? Microsoft ?????????? PPP over HTTPS ????
???????
???SSTP VPN ??????? Microsoft Windows Server 2008 / 2012 ???????????????????????
Microsoft ????????????????????????????????????????????????????????? Windows
Server ? VPN ??????????????PacketiX VPN Server ???????Microsoft SSTP VPN Server????????????????Microsoft ??????????????????????????????????

Microsoft SSTP VPN Server ????? PacketiX VPN Server ???????????????????:• Microsoft ?? SSTP VPN Server ??????????????????
• Windows ???????? VPN ????????????????????????Windows ??????? SSTP
VPN ??????? PacketiX VPN Server ???????????????
• Windows RT (ARM ?? Windows) ????????? SSTP VPN ???????????????
• ?????????????????? GUI ???????????????????????????????VPN ??????????????
???? 1 ???????????????????
• ??? Windows Server 2008 / 2012 ????????????????????????????????????
• PacketiX VPN Server ???????? SSTP VPN ??????????Windows ??? OS ??????
??Linux?Mac OS X?FreeBSD ??? Solaris ??????????
L2TPv3/IPsec ??? EtherIP/IPsec ??????????
Cisco Systems ????????????????????????L2TPv3/IPsec ??? EtherIP/IPsec VPN ????????
????????????????????? L2 ???? VPN ?????????????????PacketiX VPN Server ? IPsec ??
L2TPv3 ??? EtherIP ???????????Cisco ??????????? VPN ?????????PacketiX VPN Server???????? VPN ???????????????????????? L2 ????? VPN ????????????????????????????
Cisco ?? VPN ?????????????????VPN ?????????????????? Cisco ???????????
PacketiX VPN Server ??????????????

1.3. Microsoft ?? OpenVPN ??????????????????
SoftEther VPN ?????????2012 ?????????????????????????????????????????? ??????? ?
???????
???????? 5 ??? VPN ?????????????: SoftEther VPN?L2TP/IPsec?SSTP?OpenVPN (??? 3???) ??? OpenVPN (??? 2 ???) ??????? SoftEther VPN ????????????????SoftEther VPN
Server ???????Microsoft Corporation ???? OpenVPN Technologies, Inc. ??????????????
?????????????: Intel Xeon E3-1230 3.2GHz ??? Intel 10 Gigabit CX4 Dual Port Server
Adapter ????? Windows Server 2008 R2 x64?
• SoftEther VPN ?????????? SoftEther VPN Server ?????? 980Mbps ????????????
???
• L2TP/IPsec ?????????? SoftEther VPN Server ?????? 614Mbps ????????????
Microsoft ?? Windows Server 2008 R2 ?? Routing and Remote Access ????
(RRAS) ????????? 593Mbps ???????????????
• SSTP ????? SoftEther VPN Server ?????? 737Mbps ???????????? Microsoft ??
Windows Server 2008 R2 ????????? 715Mbps ???????????????
• OpenVPN (L3) ????? SoftEther VPN Server ?????? 89Mbps ????????????
OpenVPN ????????????????? 76Mbps ???????????????
• OpenVPN (L2) ????? SoftEther VPN Server ?????? 90Mbps ????????????
OpenVPN ????????????????? 83Mbps ???????????????

??????SoftEther VPN Server ? Microsoft ??? Windows ??????????L2TP/IPsec ????
103.5%?SSTP ???? 103.0% ????????? OpenVPN ???????????????OpenVPN ?????????
108-117% ???????????????SoftEther VPN ????? (Ethernet over HTTPS?1.1 ???) ??
980Mbps ??????????????? L2TP/IPsec ?????????? 159.6% ??????SSTP ??????????
175.2% ????????? OpenVPN ?????????? 9.8 ???????????????????

1.3.jpg????? SoftEther VPN Server ????????? VPN ?????????????????????
• ?????????????

1.4. ??????????? DNS ?? (*.softether.net)?????????????? VPN ???????????????????????????? IP ?????????????????? IP ?????????
???ISP ?????????????????????????????????????????? IP ?????????????????????
PacketiX VPN ?????????????????????????? DNS (DDNS) ????????????????? DNS ????
???????????????DDNS ?????????? VPN ????? IP ????? ".softether.net" ???????????????
???????????????? DDNS ??????????????????????????????????????????????
DDNS ????? "abc.softether.net" ( "abc" ?????????????????????????) ?????
PacketiX VPN Server ?????????????? DDNS ????????? VPN ????????????????????????
??? DDNS ????? VPN ?????????????????? VPN ?????????????????????? IP ???????????
????DDNS ??????????????? IP ???????????? IP ?????????????????????????????? IP ????
??????????ISP ???????????????????????????

1.4.jpg?????? DNS ? PacketiX VPN ????????????????????

ss1.4.jpg?????? DNS ???????????????????????

1.5. NAT ????????
????? VPN ??????????VPN ???????????????????????????????????????????? NAT ?????
??????? (TCP ??? UDP ???) ????????????????????????????

?????????????????????????????????? VPN ???????????????????????????PacketiX VPN
Server ???NAT ???????????????????
NAT ?????????????????????????NAT ???????????????PacketiX VPN Client ???????
NAT ??????????????? VPN Server ?????????????NAT ????????????????????????????
NAT ??????????VPN ??????????????? "DisableNatTraversal" ??? "true" ??????????????
???????????????????????? VPN ????????????? "/tcp" ??????????????????????????

1.5.jpg

NAT ???????????????????????????????

1.6. VPN over ICMP ??? VPN over DNS ??
????????????????????????????? ICMP ??? DNS ????????????????????????????????????
?????? TCP ? UDP ????????????ICMP ??? DNS ??????????????????????????
????????????????????? SoftEther VPN ?????? - ???????????????????????????
PacketiX VPN ???VPN over ICMP?????VPN over DNS?????????????
??????????????????????????????????????????? VPN ????? ICMP ??? DNS ???????????
??????????????????????????????????????????????????????????????????

????????? LAN ????????????????????????? LAN ?? ICMP ??? DNS ??????????????????
?? LAN ?? TCP ??? UDP ?????????????????????????? VPN Server ???????????????????
???????????????????????????????????????????????????????????????????????????
VPN over ICMP ??? VPN over DNS ??ICMP ??? DNS ??????????????????????????????
?? ICMP ??? DNS ???????????????????????????????????????????????????????????????
????????????????????????????????????????????????????????????????????????? LAN ??
???????????????????????????????????????VPN ??????????? "/tcp" ?????????????????
VPN over ICMP ??? VPN over DNS ???????????

1.6.jpg??????????????????????ICMP ???????????????

ss1.6.jpg????????? VPN over ICMP ??? VPN over DNS ?????????

1.7. VPN Azure ???????? (????)???? PacketiX VPN Server ?????????? NAT ?????????????? NAT ??????????????? DNS????? VPN over ICMP/DNS ??????????????????????????????????????????????VPN
Azure ??????????????????????
??????? VPN ????????? LAN ? VPN ??????????????????????????????? TCP ??? UDP ??
???????????????????????????????? 1 ????????? IP ?????????????????????????
???????????????????VPN Azure ??????????????????????????????????????????????????
????????????????? VPN Server ?? VPN Azure ???????????????????? VPN ????????????
?????????????????? VPN Server ? VPN ????????????????????????????????????? TCP/
UDP ?????????????????????VPN Server ? TCP ?????????????????????????????????????
??????? VPN Azure ????????????????????????????????? VPN Client ?????????? VPN

Azure ????????????????????????????????? VPN ????????????????????? VPN Server ???
?????????????????????????????????????????????????????????? VPN ??????????????
VPN Server ? VPN Azure ????????????VPN Server ?????????? "abc.vpnazure.net" ("abc" ?????????) ????????????????????? VPN Azure ?????????? VPN ????????????????
??
VPN Azure ???????????????????????????VPN Server ???????? GUI ??????????????????
????????? http://www.vpnazure.net/ ??????????

1.7.jpg

VPN Azure ??????????????????????????????? VPN ??????????????

1.8. ??? OS ??? CPU ???
PacketiX VPN ??????????????????????????????? VPN ?????????????????????????????
??Cisco IOS ??????? Cisco Systems ??????????????? Cisco ???????????????????
PacketiX VPN ??????????????????? OS ????????????????????????????? CPU ?????????
?????
?????????????? PacketiX VPN Server ??????????????????????????????????????????????
????????????????????????????????PacketiX VPN ??????????? C ?????????????????????
?????????????????????????????????????????????????????????????????????????????????
???????????????
• Windows
Windows 98, 98 SE, ME, NT 4.0, 2000, XP, Server 2003, Vista, Server 2008, 7,Server 2008 R2, 8 ??? Server 2012 ????????????Intel x86 (32 ???) ??? x64 (64 ?

??, ???? AMD64) ?????????? PacketiX VPN Server?Client ??? Bridge ???????
• Linux
Linux Kernel 2.4, 2.6 ??? 3.x ????????????Intel x86 (32 ???), x64 (64 ???),
ARM, MIPS ??? PowerPC ?????????? PacketiX VPN Server?Client ??? Bridge ?
??????
• FreeBSD
FreeBSD 5.x, 6.x, 7.x, 8.x ??? 9.x ????????????Intel x86 (32 ???) ??? x64 (64 ??
?, ???? AMD64) ?????????? PacketiX VPN Server ??? Bridge ???????
• Solaris
Solaris 8, 9, 10 ??? 11 ????????????Intel x86 (32 ???), Intel x64 (64 ???),SPARC (32 ?????? 64 ??????) ?????????? PacketiX VPN Server ??? Bridge ????
???
• Mac OS X
Mac OS X 10.4, 10.5, 10.6, 10.7 ??? 10.8 ????????????Intel x86 (32 ???), Intelx64 (64 ???), PowerPC (32 ???) ??? PowerPC G5 (64 ???) ??????????
PacketiX VPN Server ??? Bridge ???????

1.8.jpg

???????????? VPN ????????????
PacketiX VPN ?????????? OS ?????????????????