prefix=/proc/sys/net/ipv4/netfilter/ip_conntrack_
echo 15 > $prefix"udp_timeout"
echo 30 > $prefix"udp_timeout_stream"
prefix=$prefix"tcp_timeout_"
echo 45 > $prefix"syn_sent"
echo 30 > $prefix"syn_recv"
echo 45 > $prefix"fin_wait"
echo 5 > $prefix"time_wait"
echo 4 > $prefix"close"
echo 15 > $prefix"close_wait"
echo 15 > $prefix"last_ack"