net.ipv4.ip_forward=1
net.ipv4.icmp_echo_ignore_broadcasts=1
net.ipv4.icmp_ignore_bogus_error_responses=1
+net.ipv4.tcp_ecn=0
net.ipv4.tcp_fin_timeout=30
net.ipv4.tcp_keepalive_time=120
net.ipv4.tcp_syncookies=1
net.ipv4.tcp_timestamps=0
-net.ipv4.netfilter.ip_conntrack_tcp_timeout_established=3600
-net.ipv4.netfilter.ip_conntrack_udp_timeout=60
-net.ipv4.netfilter.ip_conntrack_udp_timeout_stream=180
-net.ipv6.conf.all.forwarding=1
+net.core.netdev_max_backlog=30
+net.netfilter.nf_conntrack_checksum=0
+net.ipv4.netfilter.ip_conntrack_checksum=0
+net.ipv4.netfilter.ip_conntrack_max=16384
+net.ipv4.netfilter.ip_conntrack_tcp_timeout_established=3600
+net.ipv4.netfilter.ip_conntrack_udp_timeout=60
+net.ipv4.netfilter.ip_conntrack_udp_timeout_stream=180
+# net.ipv6.conf.all.forwarding=1