iptables example

gistfile1.txt

#!/bin/env bash

# allow access to 80/443 for all
iptables -I INPUT -p tcp --dport 80 -j ACCEPT
iptables -I INPUT -p tcp --dport 443 -j ACCEPT

# allow access to 9081/9444 for all (for adminCenter operations)
iptables -I INPUT -m state --state NEW -m tcp -p tcp --dport 9081 -j ACCEPT
iptables -I INPUT -m state --state NEW -m tcp -p tcp --dport 9444 -j ACCEPT

# allow access to 9082/9445 9083/9446 for 9.12.19.* (httpd proxy to WLP)
iptables -I INPUT -m state --state NEW -m tcp -p tcp --source 9.12.19.0/24 --dport 9082 -j ACCEPT
iptables -I INPUT -m state --state NEW -m tcp -p tcp --source 9.12.19.0/24 --dport 9445 -j ACCEPT
iptables -I INPUT -m state --state NEW -m tcp -p tcp --source 9.12.19.0/24 --dport 9083 -j ACCEPT
iptables -I INPUT -m state --state NEW -m tcp -p tcp --source 9.12.19.0/24 --dport 9446 -j ACCEPT

iptables-save