From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 4 Mar 2014 13:14:54 +0000 (+0100)
Subject: firewall: Extend rate limiting for ICMP error messages.
X-Git-Url: http://git.ipfire.org/?p=people%2Fteissler%2Fipfire-2.x.git;a=commitdiff_plain;h=13e3cf285e32334e2de1a23a916fa941994fdd23

firewall: Extend rate limiting for ICMP error messages.

Fixes #10489.
---

diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf
index d6a2f7504..a91aeb37f 100644
--- a/config/etc/sysctl.conf
+++ b/config/etc/sysctl.conf
@@ -1,7 +1,9 @@
 net.ipv4.ip_forward = 1
 net.ipv4.ip_dynaddr = 1
+
 net.ipv4.icmp_echo_ignore_broadcasts = 1
 net.ipv4.icmp_ignore_bogus_error_responses = 1
+net.ipv4.icmp_ratemask = 88089
 
 net.ipv4.tcp_syncookies = 1
 net.ipv4.tcp_fin_timeout = 30