Compile-in IPv6 kernel module and disable all IPv6.

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

diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf
index f88ec5f7a3824f36235f575527f500866623af43..df3ef5f96a08543d78d93abe1adade575766e0a2 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
@@ -23,3 +22,9 @@ net.ipv4.conf.all.log_martians = 1
 
 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