iptables module for Ansible which keeps state
Python
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README.md

iptables_raw

Module for Ansible which makes it easy to manage iptables and it keeps state.

Documentation

Installation

To use the iptables_raw module just copy the file into ./library, alongside your top level playbooks, or copy it into the path specified by ANSIBLE_LIBRARY or the --module-path command line option.

Examples

# Allow all IPv4 traffic coming in on port 80 (http)
- iptables_raw:
    name: allow_tcp_80
    rules: '-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT'

# Set default rules with weight 10 and disregard all unmanaged rules
- iptables_raw:
    name: default_rules
    weight: 10
    keep_unmanaged: no
    rules: |
      -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
      -A INPUT -i lo -j ACCEPT
      -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
      -P INPUT DROP
      -P FORWARD DROP
      -P OUTPUT ACCEPT

# Allow all IPv6 traffic coming in on port 443 (https) with weight 50
- iptables_raw:
    ipversion: 6
    weight: 50
    name: allow_tcp_443
    rules: '-A INPUT -p tcp -m tcp --dport 443 -j ACCEPT'

# Remove the above rule
- iptables_raw:
    state: absent
    ipversion: 6
    name: allow_tcp_443

# Define rules with a custom chain
- iptables_raw:
    name: custom1_rules
    rules: |
      -N CUSTOM1
      -A CUSTOM1 -s 192.168.0.0/24 -j ACCEPT

# Reset all IPv4 iptables rules in all tables and allow all traffic
- iptables_raw:
    name: '*'
    table: '*'
    state: absent