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Simplify firewall IP and network lists

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This commit is contained in:
Ryan Cavicchioni
2019-11-28 22:47:59 -06:00
parent 2c7182fe37
commit 3d8e67e686
5 changed files with 83 additions and 68 deletions
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18
roles/firewall/templates/ip6tables.j2
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@@ -50,19 +50,19 @@
-A INPUT -i lo -m comment --comment "lo accept all inet6" -j ACCEPT
{% if firewall_ssh_whitelist.v6 %}
{% for ip in firewall_ssh_whitelist.v6 %}
{% if firewall_ssh_whitelist | length %}
{% for ip in firewall_ssh_whitelist | ipv6 %}
-A INPUT -p tcp -m tcp --dport 22 --source {{ ip }} -m comment --comment "accept {{ ip }} ssh 22/tcp6" -j ACCEPT
{% endfor %}
{% endif %}
{% if firewall_ipset_mgmt.v6 is defined %}
{% if firewall_ipset_mgmt | length %}
-A INPUT -p tcp -m tcp --dport 22 -m set --match-set mgmt_v6 src -m comment --comment "accept mgmt ssh 22/tcp6" -j ACCEPT
{% endif %}
-A INPUT -m state --state INVALID -m comment --comment "drop invalid inet6" -j DROP
{% if firewall_ipset_blacklist.v6 is defined %}
{% if firewall_ipset_blacklist | length %}
-A INPUT -m set --match-set mgmt_v6 src -m comment --comment "drop blacklist inet6" -j LOG_DROP
{% endif %}
@@ -96,7 +96,7 @@
-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type 148 -m hl --hl-eq 255 -m comment --comment "accept icmpv6 148" -j ACCEPT
-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type 149 -m hl --hl-eq 255 -m comment --comment "accept icmpv6 149" -j ACCEPT
{% if firewall_ipset_bogons.v6 is defined %}
{% if firewall_ipset_bogons | length %}
-A INPUT -i {{ firewall_bogon_interface }} -m set --match-set bogons_v6 src,dst -m comment --comment "drop bogons inet6" -j LOG_DROP
{% endif %}
@@ -106,13 +106,17 @@
-A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m comment --comment "accept ssh 22/tcp6" -j ACCEPT
{% endif %}
{% for port in firewall_allowed_tcp_ports.v6 | default([]) %}
{% if firewall_allowed_tcp_ports | length %}
{% for port in firewall_allowed_tcp_ports %}
-A INPUT -p tcp -m tcp --dport {{ port }} -m comment --comment "accept {{ port }}/tcp6" -j ACCEPT
{% endfor %}
{% endif %}
{% for port in firewall_allowed_udp_ports.v6 | default([]) %}
{% if firewall_allowed_udp_ports | length %}
{% for port in firewall_allowed_udp_ports %}
-A INPUT -p udp -m udp --dport {{ port }} -m comment --comment "accept {{ port }}/udp6" -j ACCEPT
{% endfor %}
{% endif %}
-A INPUT -m state --state RELATED,ESTABLISHED -m comment --comment "accept related/established inet6" -j ACCEPT