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From: Brian Somers <brian@FreeBSD.org>
Date: Fri, 7 Jul 2000 07:22:10 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/usr.sbin/ppp bundle.c bundle.h command.c ip.c ip.h
         nat_cmd.c ppp.8
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brian       2000/07/07 07:22:10 PDT

  Modified files:
    usr.sbin/ppp         bundle.c bundle.h command.c ip.c ip.h 
                         nat_cmd.c ppp.8 
  Log:
  o  Log the (payload/size) of all packet types, not just TCP packets
  
  o  If the new ``filter-decapsulation'' is enabled, delve into UDP packets
     that contain 0xff 0x03 as the first two bytes, and if we recognise it
     as PROTO_IP, decapsulate it for the purpose of filter checking.
  
     If we recognise it as PROTO_<anything else> mention this for logging
     purposes only.
  
  This change is aimed at people running PPPoUDP where the UDP traffic is
  being sent over another PPP link.  It's desireable to have the top level
  link connected all the time, but to have the bottom level link capable
  of decapsulating the traffic and comparing the payload against the filters,
  thus allowing ``set filter dial ...'' to work in tunnelled environments.
  
  The caveat here is that the top ppp cannot employ any compression layers
  without making the data unreadable for the bottom ppp.  ``disable deflate
  pred1 vj'' and ``deny deflate pred1 vj'' is suggested.
  
  Revision  Changes    Path
  1.98      +15 -12    src/usr.sbin/ppp/bundle.c
  1.40      +12 -11    src/usr.sbin/ppp/bundle.h
  1.240     +6 -3      src/usr.sbin/ppp/command.c
  1.83      +61 -9     src/usr.sbin/ppp/ip.c
  1.15      +3 -2      src/usr.sbin/ppp/ip.h
  1.48      +2 -2      src/usr.sbin/ppp/nat_cmd.c
  1.226     +33 -1     src/usr.sbin/ppp/ppp.8



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