iptables

Count packets sent and recieved:

iptables -Z && iptables -F
iptables -I INPUT 1 -s IP -j ACCEPT
iptables -I OUTOUT 1 -d IP -j ACCEPT
ip tables -vn -L

IPTables

• Deny traffic to ports except for Local Loopback

iptables -A INPUT -p tcp --destination-port 13327 ! -d $ip -j DROP

iptables -A INPUT -p tcp --destination-port 9991 ! -d $ip -j DROP

• Clear ALL IPTables firewall rules

  iptables -P INPUT ACCEPT
  iptables -P FORWARD ACCEPT
  iptables -P OUTPUT ACCEPT
  iptables -t nat -F
  iptables -t mangle -F
  iptables -F
  iptables -X
  iptables -t raw -F iptables -t raw -X