Merge branch 'next' of https://github.com/ipfire/ipfire-2.x into feature_firewalllog_...

[people/teissler/ipfire-2.x.git] / config / etc / sysctl.conf

diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf
index daf1872c17da324bddcf27716d5e92d0d94fd3b6..d6a2f75048123728f5b44b7a245d200761e67c5f 100644 (file)
--- a/config/etc/sysctl.conf
+++ b/config/etc/sysctl.conf
@@ -3,19 +3,18 @@ net.ipv4.ip_dynaddr = 1
 net.ipv4.icmp_echo_ignore_broadcasts = 1
 net.ipv4.icmp_ignore_bogus_error_responses = 1
 
-net.ipv4.tcp_sack = 0
-net.ipv4.tcp_timestamps = 0
 net.ipv4.tcp_syncookies = 1
 net.ipv4.tcp_fin_timeout = 30
-net.ipv4.tcp_window_scaling = 0
 net.ipv4.tcp_syn_retries = 3
 net.ipv4.tcp_synack_retries = 3
 
+net.ipv4.conf.default.arp_filter = 1
 net.ipv4.conf.default.rp_filter = 0
 net.ipv4.conf.default.accept_redirects = 0
 net.ipv4.conf.default.accept_source_route = 0
 net.ipv4.conf.default.log_martians = 1
 
+net.ipv4.conf.all.arp_filter = 1
 net.ipv4.conf.all.rp_filter = 0
 net.ipv4.conf.all.accept_redirects = 0
 net.ipv4.conf.all.accept_source_route = 0
@@ -23,4 +22,12 @@ net.ipv4.conf.all.log_martians = 1
 
 kernel.printk = 1 4 1 7
 vm.swappiness=0
-kern.maxfilesperproc=4096
+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