From e990b2f4c045f5d1be02915ec7d8869d5475ed4e Mon Sep 17 00:00:00 2001 From: Viacheslav Hletenko Date: Tue, 17 May 2022 21:30:50 +0000 Subject: firewall: T970: Add firewall group domain-group Domain group allows to filter addresses by domain main Resolved addresses as elements are stored to named "nft set" that used in the nftables rules Also added a dynamic "resolver" systemd daemon vyos-domain-group-resolve.service which starts python script for the domain-group addresses resolving by timeout 300 sec set firewall group domain-group DOMAINS address 'example.com' set firewall group domain-group DOMAINS address 'example.org' set firewall name FOO rule 10 action 'drop' set firewall name FOO rule 10 source group domain-group 'DOMAINS' set interfaces ethernet eth0 firewall local name 'FOO' nft list table ip filter table ip filter { set DOMAINS { type ipv4_addr flags interval elements = { 192.0.2.1, 192.0.2.85, 203.0.113.55, 203.0.113.58 } } chain NAME_FOO { ip saddr @DOMAINS counter packets 0 bytes 0 drop comment "FOO-10" counter packets 0 bytes 0 return comment "FOO default-action accept" } } --- data/templates/firewall/nftables.j2 | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'data/templates/firewall/nftables.j2') diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index fac3fad03..1f88ae40c 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -45,6 +45,14 @@ table ip filter { {{ conf | nft_default_rule(name_text) }} } {% endfor %} +{% if group is vyos_defined and group.domain_group is vyos_defined %} +{% for name, name_config in group.domain_group.items() %} + set {{ name }} { + type ipv4_addr + flags interval + } +{% endfor %} +{% endif %} {% for set_name in ns.sets %} set RECENT_{{ set_name }} { type ipv4_addr -- cgit v1.2.3