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icmp.7: Document net.ipv4.ping_group_range knob 

Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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YOSHIFUJI Hideaki/吉藤英明 2015-04-16 20:28:42 +09:00 committed by Michael Kerrisk
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@ -158,6 +158,11 @@ Maximum rate for sending
packets.
These packets are
sent to prevent loops when a packet has crossed too many hops.
.TP
.IR ping_group_range " (two integers; default: see below; since Linux 2.6.39)"
Range of group IDs (minimum and maximum group IDs, inclusive)
allowed to create ICMP Echo sockets. Default is "1 0", which
means no group is allowed to create ICMP Echo sockets.
.SH VERSIONS
Support for the
.B ICMP_ADDRESS