Move input rules to a specific file.
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@ -22,6 +22,8 @@ Highly inspired by [Mike Gleason firewall role][mikegleasonjr firewall github] (
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* **nft_pkg_state** : State of new `nftables` package(s) [default : `installed`].
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* **nft_main_conf_path** : Main configuration file loaded by systemd unit [default : `/etc/nftables.conf`].
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* **nft_main_conf_content** : Template used to generate the previous main configuration file [default : `etc/nftables.conf.j2`].
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* **nft_input_conf_path** : Input configuration file include in main configuration file [default : `/etc/nftables.d/inet-filter.nft`].
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* **nft_input_conf_content** : Template used to generate the previous input configuration file [default : `etc/nftables.d/inet-filter.nft.j2`].
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* **nft_global_default_rules** : Set default rules for `global` chain. Other chains will jump to `global` before apply their specific rules.
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* **nft_global_group_rules** : You can add `global` rules or override those defined by **nft_global_default_rules** for a group.
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* **nft_global_host_rules:** : Hosts can also add or override `global` rules.
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@ -115,6 +117,7 @@ table inet firewall {
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This role will :
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* Install `nftables` on the system.
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* Generate a default configuration file loaded by systemd unit.
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* Generate input rules file include called by the main configuration file.
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* Restart `nftables` service.
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## Development
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@ -8,6 +8,8 @@ nft_pkg_state: 'installed'
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# conf
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nft_main_conf_path: '/etc/nftables.conf'
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nft_main_conf_content: 'etc/nftables.conf.j2'
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nft_input_conf_path: '/etc/nftables.d/inet-filter.nft'
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nft_input_conf_content: 'etc/nftables.d/inet-filter.nft.j2'
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# rules
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nft_global_default_rules:
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@ -29,4 +29,14 @@
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mode: 0755
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backup: yes
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notify: restart nftables service
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- name: generate input rules file
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template:
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src: "{{ nft_input_conf_content }}"
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dest: "{{ nft_input_conf_path }}"
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owner: root
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group: root
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mode: 0755
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backup: yes
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notify: restart nftables service
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# }}}
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@ -20,10 +20,7 @@ table inet firewall {
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{% endfor %}
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{% endfor %}
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}
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chain input {
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type filter hook input priority 0;
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jump global
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}
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include "{{ nft_input_conf_path }}"
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chain output {
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type filter hook output priority 0;
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jump global
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@ -0,0 +1,6 @@
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# {{ ansible_managed }}
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chain input {
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type filter hook input priority 0; policy drop;
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jump global
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}
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