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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sun, 14 Dec 2008 17:47:33 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/sys/netinet in_pcb.c
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bz          2008-12-14 17:47:33 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          in_pcb.c 
  Log:
  SVN rev 186086 on 2008-12-14 17:47:33Z by bz
  
  Add a check, that is currently under discussion for 8 but that we need
  to keep for 7-STABLE when MFCing in_pcbladdr() to not change the
  behaviour there.
  
  With this a destination route via a loopback interface is treated as
  a valid and reachable thing for IPv4 source address selection, even
  though nothing of that network is ever directly reachable, but it is
  more like a blackhole route.
  With this the source address will be selected and IPsec can grab the
  packets before we would discard them at a later point, encapsulate them
  and send them out from a different tunnel endpoint IP.
  
  Discussed on:   net
  Reported by:    Frank Behrens <frank@harz.behrens.de>
  Tested by:      Frank Behrens <frank@harz.behrens.de>
  MFC after:      4 weeks (just so that I get the mail)
  
  Revision  Changes    Path
  1.234     +4 -0      src/sys/netinet/in_pcb.c