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Add iptables_init.sh

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Reza Behzadan 2025-02-20 14:40:20 -05:00
parent dbbfb0fa1a
commit 11585765d1
1 changed files with 30 additions and 0 deletions
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iptables_init.sh Normal file
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#!/bin/bash
# Flush existing rules
iptables -F
ip6tables -F
iptables -t nat -F
ip6tables -t nat -F
# Set default policies
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
ip6tables -P INPUT ACCEPT
ip6tables -P FORWARD ACCEPT
ip6tables -P OUTPUT ACCEPT
# 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."