technical content. 6/4/2010 7.0 Major Updated and revised the technical content. 7/16/2010 8.0 Major Updated and revised the technical content. 8/27/2010 9.0 Major Updated and revised the technical content. 10/8/2010 10.0 Major Updated and revised the technical content. 11/19/2010 10.0 None No changes to the meaning, language, or formatting of the technical content. 1/7/2011 10.0 None No changes to the meaning, language, or formatting of the technical content. 2/11/2011 10.0 None No changes to the meaning, language, or formatting of the technical content. 3/25/2011 10.0 None No changes to the meaning, language, or
formatting of the technical content. 5/6/2011 10.0 None No changes to the meaning, language, or formatting of the technical content. 6/17/2011 10.1 Minor Clarified the meaning of the technical content. 9/23/2011 10.1 None No changes to the meaning, language, or formatting of the technical content. 12/16/2011 11.0 Major Updated and revised the technical content. 3/30/2012 11.0 None No changes to the meaning, language, or formatting of the technical content. 7/12/2012 11.0 None No changes to the meaning, language, or formatting of the technical content. 10/25/2012 11.0 None No changes to the meaning, language, or
formatting of the technical content. 1/31/2013 11.0 None No changes to the meaning, language, or formatting of the technical content. 8/8/2013 12.0 Major Updated and revised the technical content. 11/14/2013 12.0 None No changes to the meaning, language, or formatting of the technical content. 2/13/2014 12.0 None No changes to the meaning, language, or formatting of the technical content. 5/15/2014 12.0 None No changes to the meaning, language, or formatting of the technical content. 6/30/2015 13.0 Major Significantly changed the technical content. 10/16/2015 13.0 None No changes to the meaning, language, or
11 11 15 15 10 15 11 11 10 11 11 server 12 13 13 11 11 11 13 13 13 10 11 11 10 11 11 13 Messages 9 9 N 6 O Other local events 15 14 13 15 7 P Parameters - security index ( 20, 20) PPTP Access Concentrator (PAC) abstract data model ( 10, 12) higher-layer triggered events ( 10, 12) initialization ( 10, 12) events ( 12, 14) message processing 12 13 13 11 11 11 13 13 13 10 11 11 10 11 11 13 sequencing rules 12 13 13 11 11 11 13 13 13 10 11 11 10 11 11 13 12 events ( 12, 13) timers ( 10, 12) PPTP Network Server (PNS) abstract data model ( 10, 14) 10 14 PPTP call session 14 14 initialization ( 10, 14) events ( 12, 15) message processing 12 15 15 11 11 11 15 15 10 15 11 11 10 11 11 sequencing rules 12 15 15 11 11 11 15 15 10 15 11 11 10 11
11 12 timer events ( 12, 15) timers ( 10, 14) 8 8 21 R 6 7 6 7 S Security implementer considerations ( 20, 20) parameter index ( 20, 20) Sequencing client 12 15 15 11 11 11 15 15 10 15 11 11 10 11 11 server 12 13 13 11 11 11 13 13 13 10 11 11 10 11 11 13 Server abstract data model ( 10, 12) higher-layer triggered events ( 10, 12) initialization ( 10, 12) local events ( 12, 14) message processing 12 13 13 11 11 11 13 13 13 10 11 11 10 11 11 13 14 sequencing rules 12 13 13 11 11 11 13 13 13 10 11 11 10 11 11 13 12 events ( 12, 13) 12 10 10 10 15 11 8 11 Start-Control-Connection-Request message 11 10 11 11 9 T TCP disconnect 12 12 Timer events client ( 12, 15) server ( 12, 13) Timers 14 10 14 10 10 12 10 10 10 24