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From: Philip Paeps <philip@FreeBSD.org>
Date: Wed, 21 Oct 2009 23:50:35 +0000 (UTC)
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Subject: cvs commit: src/sbin/dhclient bpf.c dhcpd.h packet.c
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philip      2009-10-21 23:50:35 UTC

  FreeBSD src repository

  Modified files:
    sbin/dhclient        bpf.c dhcpd.h packet.c 
  Log:
  SVN rev 198352 on 2009-10-21 23:50:35Z by philip
  
  Make dhclient use bootpc (68) as the source port for unicast DHCPREQUEST
  packets instead of allowing the protocol stack to pick a random source port.
  
  This fixes the behaviour where dhclient would never transition from RENEWING
  to BOUND without going through REBINDING in networks which are paranoid about
  DHCP spoofing, such as most mainstream cable-broadband ISP networks.
  
  Reviewed by:    brooks
  Obtained from:  OpenBSD (partly - I'm not convinced their solution can work)
  MFC after:      1 week (pending re approval)
  
  Revision  Changes    Path
  1.9       +27 -18    src/sbin/dhclient/bpf.c
  1.2       +3 -0      src/sbin/dhclient/dhcpd.h
  1.3       +11 -0     src/sbin/dhclient/packet.c