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NAME

       icmp, IPPROTO_ICMP - Linux IPv4 ICMP .

DESCRIPTION

        RFC792  ICMP ICMP  ICMP

         IPPROTP_ICMP raw socket  ICMP IPPROTO_ICMP.  raw(7)  ICMP ICMP_FILTER
       ICMP

       Linux ICMP_REDIRECT ICMP_DEST_UNREACH

SYSCTLS

       ICMP  sysctl  IP   Sysctl  /proc/sys/net/ipv4/*  sysctl(2)  .   sysctls
       ICMP Linux 2.2  ICMP

       icmp_destunreach_rate
               ICMP MTU ICMP_FRAG_NEEDED

       icmp_echo_ignore_all
              ,Linux ICMP_ECHO

       icmp_echo_ignore_broadcasts
              ,Linux ICMP_ECHO

       icmp_echoreply_rate
               ICMP_ECHOREQUEST ICMP_ECHOREPLY

       icmp_paramprob_rate
               ICMP_PARAMETERPROB  IP

       icmp_timeexceed_rate
               ICMP_TIME_EXCEEDED

NOTES

        IPPROTO_ICMP raw socket

       Linux ICMP_REDIRECT

       ICMP_TIMESTAMP  64 197011

       Linux  ICMP raw socketICMP netstat(8) "zero inode"

VERSIONS

       2.2 ICMP_ADDRESS

       2.2 ICMP_SOURCE_QUENCH

       ip(7)

       RFC792 ICMP

[]

       LetBright <letbright@netease.com>

[]

       2000/10/30

linuxman:

       http://cmpp.linuxforum.net