*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -p tcp --dport    22 -j ACCEPT
-A INPUT -p tcp --dport    80 -j ACCEPT
-A INPUT -p tcp --dport   443 -j ACCEPT
-A INPUT -p tcp --dport  6443 -j ACCEPT
-A INPUT -p tcp --dport 40022 -j ACCEPT
COMMIT