X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=config%2Fetc%2Fsysctl.conf;h=e2e3d81b032ab1877e6c76e0136b8be165b23775;hb=b171633c7e15a1fceacfae9953ad9b5b6a07e945;hp=b2934577ee2ced4251a289f958ff8369cdf78aea;hpb=1d12008db5c86f06c70600ea2ac9cc0721af6d9b;p=ipfire-2.x.git

diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf
index b2934577ee..e2e3d81b03 100644
--- a/config/etc/sysctl.conf
+++ b/config/etc/sysctl.conf
@@ -1,7 +1,10 @@
 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_ratelimit = 1000
+net.ipv4.icmp_ratemask = 6168
 
 net.ipv4.tcp_syncookies = 1
 net.ipv4.tcp_fin_timeout = 30
@@ -24,3 +27,10 @@ kernel.printk = 1 4 1 7
 vm.swappiness=0
 vm.mmap_min_addr = 4096
 vm.min_free_kbytes = 8192
+
+# Disable IPv6 by default.
+net.ipv6.conf.all.disable_ipv6 = 1
+net.ipv6.conf.default.disable_ipv6 = 1
+
+# Enable netfilter accounting
+net.netfilter.nf_conntrack_acct=1