ansible/custom-firewall
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OldTyT
2024-08-19 11:26:38 +00:00
parent 0927b798e5
commit d2ecad5ad2
1 changed files with 12 additions and 45 deletions
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57
templates/custom.firewall-restore.j2
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@@ -2,7 +2,6 @@
{{ ansible_managed | comment }}
{% set iptables_enemy = namespace(ipv4=1, ipv6=1) %}
ipset restore -! < {{ whitelist_ipset_config_file }}
# IPv4
@@ -11,32 +10,16 @@ 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 -N DOCKER-USER
iptables -I DOCKER-USER 1 -i {{ whitelist_interface }} -j enemy_input
{% for port in whitelist_public_tcp_port %}
iptables -I enemy_input {{ iptables_enemy.ipv4 }} -p tcp ! --dport {{ port }} -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
{% set iptables_enemy.ipv4 = iptables_enemy.ipv4 + 1 %}
{% endfor %}
{% for port in whitelist_public_udp_port %}
iptables -I enemy_input {{ iptables_enemy.ipv4 }} -p udp ! --dport {{ port }} -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
{% set iptables_enemy.ipv4 = iptables_enemy.ipv4 + 1 %}
{% endfor %}
iptables -I enemy_input {{ iptables_enemy.ipv4 }} -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
{% set iptables_enemy.ipv4 = iptables_enemy.ipv4 + 1 %}
iptables -I enemy_input {{ iptables_enemy.ipv4 }} -m state --state RELATED,ESTABLISHED -j ACCEPT
{% set iptables_enemy.ipv4 = iptables_enemy.ipv4 + 1 %}
{% for port in whitelist_public_tcp_port %}
iptables -I enemy_input {{ iptables_enemy.ipv4 }} -p tcp ! --dport {{ port }} -j DROP
{% set iptables_enemy.ipv4 = iptables_enemy.ipv4 + 1 %}
{% endfor %}
{% for port in whitelist_public_udp_port %}
iptables -I enemy_input {{ iptables_enemy.ipv4 }} -p udp ! --dport {{ port }} -j DROP
{% set iptables_enemy.ipv4 = iptables_enemy.ipv4 + 1 %}
{% endfor %}
iptables -I enemy_input 1 -p tcp -m multiport ! --dports {{ whitelist_public_tcp_port|join(',') }} -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
iptables -I enemy_input 2 -p udp -m multiport ! --dports {{ whitelist_public_udp_port|join(',') }} -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
iptables -I enemy_input 3 -m set --match-set {{ whitelist_ip4_name }} src -j ACCEPT
iptables -I enemy_input 4 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -I enemy_input 5 -p tcp -m multiport ! --dports {{ whitelist_public_tcp_port|join(',') }} -j DROP
iptables -I enemy_input 6 -p udp -m multiport ! --dports {{ whitelist_public_udp_port|join(',') }} -j DROP
# IPv6
@@ -44,29 +27,13 @@ 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 -N DOCKER-USER
ip6tables -I DOCKER-USER 1 -i {{ whitelist_interface }} -j enemy_input
{% for port in whitelist_public_tcp_port %}
ip6tables -I enemy_input {{ iptables_enemy.ipv6 }} -p tcp ! --dport {{ port }} -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
{% set iptables_enemy.ipv6 = iptables_enemy.ipv6 + 1 %}
{% endfor %}
{% for port in whitelist_public_udp_port %}
ip6tables -I enemy_input {{ iptables_enemy.ipv6 }} -p udp ! --dport {{ port }} -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
{% set iptables_enemy.ipv6 = iptables_enemy.ipv6 + 1 %}
{% endfor %}
ip6tables -I enemy_input {{ iptables_enemy.ipv6 }} -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
{% set iptables_enemy.ipv6 = iptables_enemy.ipv6 + 1 %}
ip6tables -I enemy_input {{ iptables_enemy.ipv6 }} -m state --state RELATED,ESTABLISHED -j ACCEPT
{% set iptables_enemy.ipv6 = iptables_enemy.ipv6 + 1 %}
{% for port in whitelist_public_tcp_port %}
ip6tables -I enemy_input {{ iptables_enemy.ipv6 }} -p tcp ! --dport {{ port }} -j DROP
{% set iptables_enemy.ipv6 = iptables_enemy.ipv6 + 1 %}
{% endfor %}
{% for port in whitelist_public_udp_port %}
ip6tables -I enemy_input {{ iptables_enemy.ipv6 }} -p udp ! --dport {{ port }} -j DROP
{% set iptables_enemy.ipv6 = iptables_enemy.ipv6 + 1 %}
{% endfor %}
ip6tables -I enemy_input 1 -p tcp -m multiport ! --dports {{ whitelist_public_tcp_port|join(',') }} -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
ip6tables -I enemy_input 2 -p udp -m multiport ! --dports {{ whitelist_public_udp_port|join(',') }} -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
ip6tables -I enemy_input 3 -m set --match-set {{ whitelist_ip6_name }} src -j ACCEPT
ip6tables -I enemy_input 4 -m state --state RELATED,ESTABLISHED -j ACCEPT
ip6tables -I enemy_input 5 -p tcp -m multiport ! --dports {{ whitelist_public_tcp_port|join(',') }} -j DROP
ip6tables -I enemy_input 6 -p udp -m multiport ! --dports {{ whitelist_public_udp_port|join(',') }} -j DROP