61 lines
1.4 KiB
YAML
61 lines
1.4 KiB
YAML
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---
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- name: Iptables installed
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package:
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name: "iptables"
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state: present
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- name: Allow related and established connections
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iptables:
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chain: INPUT
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ctstate: ESTABLISHED,RELATED
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jump: ACCEPT
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- name: Allow incoming on localhost interface
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iptables:
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chain: INPUT
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in_interface: lo
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jump: ACCEPT
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- name: Allow incoming ICMP
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iptables:
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chain: INPUT
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protocol: icmp
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jump: ACCEPT
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- name: Allow new incoming connections on TCP port 22 (SSH).
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iptables:
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chain: INPUT
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protocol: tcp
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destination_port: 22
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jump: ACCEPT
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comment: Accept new connections on port "22".
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- name: Allow new incoming connections on TCP port (dynamic list).
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iptables:
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chain: INPUT
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protocol: tcp
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destination_port: "{{ item }}"
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jump: ACCEPT
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comment: Accept new connections on port "{{ item }}".
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loop: "{{ tcp_authorized_ports }}"
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when: tcp_authorized_ports is defined and (tcp_authorized_ports|length>0)
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- name: Allow new incoming connections from specific IP (dynamic list).
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iptables:
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chain: INPUT
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source: "{{ item }}"
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jump: ACCEPT
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comment: Accept new connections from IP "{{ item }}".
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loop: "{{ ip_authorized }}"
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when: ip_authorized is defined and (ip_authorized|length>0)
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- name: Set the policy for the FORWARD chain to DROP
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iptables:
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chain: FORWARD
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policy: DROP
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- name: Set the policy for the INPUT chain to DROP
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iptables:
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chain: INPUT
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policy: DROP
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