#!/bin/bash # Apply IPv4 rules iptables -t nat -A PREROUTING -i enX0 -p tcp --dport 443 -j REDIRECT --to-ports 4443 iptables -t nat -A PREROUTING -i enX0 -p tcp --dport 80 -j REDIRECT --to-ports 4443 # Apply IPv6 rules ip6tables -t nat -A PREROUTING -i enX0 -p tcp --dport 443 -j REDIRECT --to-ports 4443 ip6tables -t nat -A PREROUTING -i enX0 -p tcp --dport 80 -j REDIRECT --to-ports 4443 # Save rules iptables-save > /etc/iptables/rules.v4 ip6tables-save > /etc/iptables/rules.v6 echo "iptables and ip6tables rules applied successfully."