sudo sysctl net.netfilter.nf_conntrack_icmp_timeout=10

sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_syn_recv=5
sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_syn_sent=5

sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_established=600

sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_fin_wait=10
sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_time_wait=10

sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_close_wait=10
sudo sysctl net.netfilter.nf_conntrack_tcp_timeout_last_ack=10