2011-05-18 17:50:07

by Kulikov Vasiliy

[permalink] [raw]
Subject: [PATCH] docs: describe /proc/sys/net/ipv4/ping_group_range

Copied the patch description from c319b4d76b9e with minor
formatting changes.

Signed-off-by: Vasiliy Kulikov <[email protected]>
---
Documentation/networking/ip-sysctl.txt | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index d3d653a..3e119d9 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -717,6 +717,23 @@ icmp_errors_use_inbound_ifaddr - BOOLEAN

Default: 0

+ping_group_range - vector of 2 INTEGERs: min, max
+ Specify the group range allowed to create non-raw icmp sockets.
+
+ Possible applications:
+
+ 1 0 (default) - nobody (not even root) may create ping sockets.
+
+ 100 100 - grant permissions to the single group to either make
+ /sbin/ping sgid'ed and owned by this group or to grant permissions
+ to the "netadmins" group.
+
+ 0 4294967295 - enable it for the world.
+
+ 100 4294967295 - enable it for the users, but not daemons.
+
+ Default: 1 0
+
igmp_max_memberships - INTEGER
Change the maximum number of multicast groups we can subscribe to.
Default: 20
--
1.7.0.4