net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
-net.ipv4.icmp_ratemask = 88089
+net.ipv4.icmp_ratelimit = 1000
+net.ipv4.icmp_ratemask = 6168
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_fin_timeout = 30
# Enable netfilter accounting
net.netfilter.nf_conntrack_acct=1
+
+# Disable netfilter on bridges.
+net.bridge.bridge-nf-call-ip6tables = 0
+net.bridge.bridge-nf-call-iptables = 0
+net.bridge.bridge-nf-call-arptables = 0