Commit 5cc4adbc authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

Documentation: add documentation of ping_group_range 



Support for non-root users to send ICMP ECHO requests was added
back in Linux 3.0 kernel, but the documentation for the sysctl
to enable it has been missing.

Signed-off-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 609120c5

Documentation/networking/ip-sysctl.txt

+7 −0
Original line number Diff line number Diff line
@@ -983,6 +983,13 @@ ip_early_demux - BOOLEAN 
	reduces overall throughput, in such case you should disable it.

	Default: 1



ping_group_range - 2 INTEGERS

	Restrict ICMP_PROTO datagram sockets to users in the group range.

	The default is "1 0", meaning, that nobody (not even root) may

	create ping sockets.  Setting it to "100 100" would grant permissions

	to the single group. "0 4294967295" would enable it for the world, "100

	4294967295" would enable it for the users, but not daemons.



tcp_early_demux - BOOLEAN

	Enable early demux for established TCP sockets.

	Default: 1

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