cvs commit: src/sys/netinet icmp_var.h ip_icmp.c src/sys/netinet6 udp6_usrreq.c

Robert Watson rwatson at
Thu Jul 19 22:34:26 UTC 2007

rwatson     2007-07-19 22:34:25 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          icmp_var.h ip_icmp.c 
    sys/netinet6         udp6_usrreq.c 
  Attempt to improve feature parity between UDPv4 and UDPv6 by merging
  UDPv4 features to UDPv6:
  - Add MAC checks on delivery and MAC labeling on transmit.
  - Check for (and reject) datagrams with destination port 0.
  - For multicast delivery, check the source port only if the socket being
    considered as a destination has been connected.
  - Implement UDP blackholing based on net.inet.udp.blackhole.
  - Add a new ICMPv6 unreachable reply rate limiting category for failed
    delivery attempts and implement rate limiting for UDPv6 (submitted by
  Approved by:    re (kensmith)
  Reviewed by:    bz
  Revision  Changes    Path
  1.26      +2 -1      src/sys/netinet/icmp_var.h
  1.117     +2 -1      src/sys/netinet/ip_icmp.c
  1.78      +34 -2     src/sys/netinet6/udp6_usrreq.c

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