Files
custom-firewall/templates/custom.firewall-restore.j2
2024-02-23 17:15:44 +00:00

34 lines
1.5 KiB
Django/Jinja

#!/bin/bash
{{ ansible_managed | comment }}
ipset restore -! < {{ whitelist_ipset_config_file }}
# IPv4
iptables -N f2b-sshd
iptables -A f2b-sshd -j RETURN
iptables -I INPUT 1 -p tcp -m multiport --dports {{ whitelist_ssh_port }} -j f2b-sshd
iptables -N enemy_input
iptables -I INPUT 1 -i {{ whitelist_interface }} -j enemy_input
iptables -I DOCKER-USER 1 -i {{ whitelist_interface }} -j enemy_input
iptables -I enemy_input 1 -p tcp -m multiport ! --dports {{ whitelist_public_port|join(',') }} -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
iptables -I enemy_input 2 -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
iptables -I enemy_input 3 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -I enemy_input 4 -p tcp -m multiport ! --dports {{ whitelist_public_port|join(',') }} -j DROP
# IPv6
ip6tables -N f2b-sshd
ip6tables -A f2b-sshd -j RETURN
ip6tables -I INPUT 1 -p tcp -m multiport --dports {{ whitelist_ssh_port }} -j f2b-sshd
ip6tables -N enemy_input
ip6tables -I INPUT 1 -i {{ whitelist_interface }} -j enemy_input
ip6tables -I DOCKER-USER 1 -i {{ whitelist_interface }} -j enemy_input
ip6tables -I enemy_input 1 -p tcp -m multiport ! --dports {{ whitelist_public_port|join(',') }} -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
ip6tables -I enemy_input 2 -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
ip6tables -I enemy_input 3 -m state --state RELATED,ESTABLISHED -j ACCEPT
ip6tables -I enemy_input 4 -p tcp -m multiport ! --dports {{ whitelist_public_port|join(',') }} -j DROP