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24876eecd956ca9eec9da71b53137ef00a11a02c
securityonion/salt/firewall/iptables.jinja
m0duspwnens 24876eecd9 change refs from sosnet to sosbridge
2022-12-22 14:02:40 -05:00

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Django/Jinja
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{% from 'docker/docker.map.jinja' import DOCKER %}
{% from 'firewall/containers.map.jinja' import NODE_CONTAINERS %}
{% from 'firewall/map.jinja' import hostgroups with context %}
{% from 'firewall/map.jinja' import assigned_hostgroups with context %}
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:DOCKER - [0:0]
:OUTPUT_direct - [0:0]
:POSTROUTING_ZONES - [0:0]
:POSTROUTING_ZONES_SOURCE - [0:0]
:POSTROUTING_direct - [0:0]
:POST_docker - [0:0]
:POST_docker_allow - [0:0]
:POST_docker_deny - [0:0]
:POST_docker_log - [0:0]
:POST_public - [0:0]
:POST_public_allow - [0:0]
:POST_public_deny - [0:0]
:POST_public_log - [0:0]
:PREROUTING_ZONES - [0:0]
:PREROUTING_ZONES_SOURCE - [0:0]
:PREROUTING_direct - [0:0]
:PRE_docker - [0:0]
:PRE_docker_allow - [0:0]
:PRE_docker_deny - [0:0]
:PRE_docker_log - [0:0]
:PRE_public - [0:0]
:PRE_public_allow - [0:0]
:PRE_public_deny - [0:0]
:PRE_public_log - [0:0]
-A PREROUTING -j PREROUTING_direct
-A PREROUTING -j PREROUTING_ZONES_SOURCE
-A PREROUTING -j PREROUTING_ZONES
-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
-A OUTPUT -j OUTPUT_direct
-A OUTPUT ! -d 127.0.0.0/8 -m addrtype --dst-type LOCAL -j DOCKER
-A POSTROUTING -s {{DOCKER.range}} ! -o sosbridge -j MASQUERADE
-A POSTROUTING -j POSTROUTING_direct
-A POSTROUTING -j POSTROUTING_ZONES_SOURCE
-A POSTROUTING -j POSTROUTING_ZONES
{%- for container in NODE_CONTAINERS %}
{%- for port, proto in DOCKER.containers[container].ports.items() %}
-A POSTROUTING -s {{DOCKER.containers[container].ip}}/32 -d {{DOCKER.containers[container].ip}}/32 -p {{proto}} -m {{proto}} --dport {{port}} -j MASQUERADE
{%- endfor %}
{%- endfor %}
-A DOCKER -i sosbridge -j RETURN
{%- for container in NODE_CONTAINERS %}
{%- for port, proto in DOCKER.containers[container].ports.items() %}
-A DOCKER ! -i sosbridge -p {{proto}} -m {{proto}} --dport {{port}} -j DNAT --to-destination {{DOCKER.containers[container].ip}}:{{port}}
{%- endfor %}
{%- endfor %}
-A POSTROUTING_ZONES -o sosbridge -g POST_docker
-A POSTROUTING_ZONES -o bond0 -g POST_public
-A POSTROUTING_ZONES -o eth1 -g POST_public
-A POSTROUTING_ZONES -o eth0 -g POST_public
-A POSTROUTING_ZONES -g POST_public
-A POST_docker -j POST_docker_log
-A POST_docker -j POST_docker_deny
-A POST_docker -j POST_docker_allow
-A POST_public -j POST_public_log
-A POST_public -j POST_public_deny
-A POST_public -j POST_public_allow
-A PREROUTING_ZONES -i sosbridge -g PRE_docker
-A PREROUTING_ZONES -i bond0 -g PRE_public
-A PREROUTING_ZONES -i eth1 -g PRE_public
-A PREROUTING_ZONES -i eth0 -g PRE_public
-A PREROUTING_ZONES -g PRE_public
-A PRE_docker -j PRE_docker_log
-A PRE_docker -j PRE_docker_deny
-A PRE_docker -j PRE_docker_allow
-A PRE_public -j PRE_public_log
-A PRE_public -j PRE_public_deny
-A PRE_public -j PRE_public_allow
COMMIT
*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:FORWARD_direct - [0:0]
:INPUT_direct - [0:0]
:OUTPUT_direct - [0:0]
:POSTROUTING_direct - [0:0]
:PREROUTING_ZONES - [0:0]
:PREROUTING_ZONES_SOURCE - [0:0]
:PREROUTING_direct - [0:0]
:PRE_docker - [0:0]
:PRE_docker_allow - [0:0]
:PRE_docker_deny - [0:0]
:PRE_docker_log - [0:0]
:PRE_public - [0:0]
:PRE_public_allow - [0:0]
:PRE_public_deny - [0:0]
:PRE_public_log - [0:0]
-A PREROUTING -j PREROUTING_direct
-A PREROUTING -j PREROUTING_ZONES_SOURCE
-A PREROUTING -j PREROUTING_ZONES
-A INPUT -j INPUT_direct
-A FORWARD -j FORWARD_direct
-A OUTPUT -j OUTPUT_direct
-A POSTROUTING -j POSTROUTING_direct
-A PREROUTING_ZONES -i sosbridge -g PRE_docker
-A PREROUTING_ZONES -i bond0 -g PRE_public
-A PREROUTING_ZONES -i eth1 -g PRE_public
-A PREROUTING_ZONES -i eth0 -g PRE_public
-A PREROUTING_ZONES -g PRE_public
-A PRE_docker -j PRE_docker_log
-A PRE_docker -j PRE_docker_deny
-A PRE_docker -j PRE_docker_allow
-A PRE_public -j PRE_public_log
-A PRE_public -j PRE_public_deny
-A PRE_public -j PRE_public_allow
COMMIT
*security
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:FORWARD_direct - [0:0]
:INPUT_direct - [0:0]
:OUTPUT_direct - [0:0]
-A INPUT -j INPUT_direct
-A FORWARD -j FORWARD_direct
-A OUTPUT -j OUTPUT_direct
COMMIT
*raw
:PREROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:OUTPUT_direct - [0:0]
:PREROUTING_ZONES - [0:0]
:PREROUTING_ZONES_SOURCE - [0:0]
:PREROUTING_direct - [0:0]
:PRE_docker - [0:0]
:PRE_docker_allow - [0:0]
:PRE_docker_deny - [0:0]
:PRE_docker_log - [0:0]
:PRE_public - [0:0]
:PRE_public_allow - [0:0]
:PRE_public_deny - [0:0]
:PRE_public_log - [0:0]
-A PREROUTING -j PREROUTING_direct
-A PREROUTING -j PREROUTING_ZONES_SOURCE
-A PREROUTING -j PREROUTING_ZONES
-A OUTPUT -j OUTPUT_direct
-A PREROUTING_ZONES -i sosbridge -g PRE_docker
-A PREROUTING_ZONES -i bond0 -g PRE_public
-A PREROUTING_ZONES -i eth1 -g PRE_public
-A PREROUTING_ZONES -i eth0 -g PRE_public
-A PREROUTING_ZONES -g PRE_public
-A PRE_docker -j PRE_docker_log
-A PRE_docker -j PRE_docker_deny
-A PRE_docker -j PRE_docker_allow
-A PRE_public -j PRE_public_log
-A PRE_public -j PRE_public_deny
-A PRE_public -j PRE_public_allow
COMMIT
*filter
:INPUT ACCEPT [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
:DOCKER - [0:0]
:DOCKER-ISOLATION-STAGE-1 - [0:0]
:DOCKER-ISOLATION-STAGE-2 - [0:0]
:DOCKER-USER - [0:0]
:FORWARD_IN_ZONES - [0:0]
:FORWARD_IN_ZONES_SOURCE - [0:0]
:FORWARD_OUT_ZONES - [0:0]
:FORWARD_OUT_ZONES_SOURCE - [0:0]
:FORWARD_direct - [0:0]
:FWDI_docker - [0:0]
:FWDI_docker_allow - [0:0]
:FWDI_docker_deny - [0:0]
:FWDI_docker_log - [0:0]
:FWDI_public - [0:0]
:FWDI_public_allow - [0:0]
:FWDI_public_deny - [0:0]
:FWDI_public_log - [0:0]
:FWDO_docker - [0:0]
:FWDO_docker_allow - [0:0]
:FWDO_docker_deny - [0:0]
:FWDO_docker_log - [0:0]
:FWDO_public - [0:0]
:FWDO_public_allow - [0:0]
:FWDO_public_deny - [0:0]
:FWDO_public_log - [0:0]
:INPUT_ZONES - [0:0]
:INPUT_ZONES_SOURCE - [0:0]
:INPUT_direct - [0:0]
:IN_docker - [0:0]
:IN_docker_allow - [0:0]
:IN_docker_deny - [0:0]
:IN_docker_log - [0:0]
:IN_public - [0:0]
:IN_public_allow - [0:0]
:IN_public_deny - [0:0]
:IN_public_log - [0:0]
:LOGGING - [0:0]
:OUTPUT_direct - [0:0]
{%- set count = namespace(value=0) %}
{%- for chain, hg in assigned_hostgroups.chain.items() %}
{%- for hostgroup, portgroups in assigned_hostgroups.chain[chain].hostgroups.items() %}
{%- for action in ['insert', 'delete' ] %}
{%- if hostgroups[hostgroup].ips[action] %}
{%- for ip in hostgroups[hostgroup].ips[action] %}
{%- for portgroup in portgroups.portgroups %}
{%- for proto, ports in portgroup.items() %}
{%- for port in ports %}
{%- set count.value = count.value + 1 %}
-A {{chain}} -s {{ip}} -p {{proto}} -m {{proto}} --dport {{port}} -j ACCEPT
{%- endfor %}
{%- endfor %}
{%- endfor %}
{%- endfor %}
{%- endif %}
{%- endfor %}
{%- endfor %}
{%- endfor %}
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -j INPUT_direct
-A INPUT -j INPUT_ZONES_SOURCE
-A INPUT -j INPUT_ZONES
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A INPUT -p icmp -j ACCEPT
-A INPUT -j LOGGING
-A FORWARD -j DOCKER-USER
-A FORWARD -j DOCKER-ISOLATION-STAGE-1
-A FORWARD -o sosbridge -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -o sosbridge -j DOCKER
-A FORWARD -i sosbridge ! -o sosbridge -j ACCEPT
-A FORWARD -i sosbridge -o sosbridge -j ACCEPT
-A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i lo -j ACCEPT
-A FORWARD -j FORWARD_direct
-A FORWARD -j FORWARD_IN_ZONES_SOURCE
-A FORWARD -j FORWARD_IN_ZONES
-A FORWARD -j FORWARD_OUT_ZONES_SOURCE
-A FORWARD -j FORWARD_OUT_ZONES
-A FORWARD -m conntrack --ctstate INVALID -j DROP
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -j OUTPUT_direct
-A OUTPUT -p icmp -m icmp --icmp-type 14 -j DROP
-A DOCKER-ISOLATION-STAGE-1 -i sosbridge ! -o sosbridge -j DOCKER-ISOLATION-STAGE-2
-A DOCKER-ISOLATION-STAGE-1 -j RETURN
-A DOCKER-ISOLATION-STAGE-2 -o sosbridge -j DROP
-A DOCKER-ISOLATION-STAGE-2 -j RETURN
-A DOCKER-USER ! -i sosbridge -o sosbridge -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A DOCKER-USER ! -i sosbridge -o sosbridge -j LOGGING
-A DOCKER-USER -j RETURN
-A FORWARD_IN_ZONES -i sosbridge -g FWDI_docker
-A FORWARD_IN_ZONES -i bond0 -g FWDI_public
-A FORWARD_IN_ZONES -i eth1 -g FWDI_public
-A FORWARD_IN_ZONES -i eth0 -g FWDI_public
-A FORWARD_IN_ZONES -g FWDI_public
-A FORWARD_OUT_ZONES -o sosbridge -g FWDO_docker
-A FORWARD_OUT_ZONES -o bond0 -g FWDO_public
-A FORWARD_OUT_ZONES -o eth1 -g FWDO_public
-A FORWARD_OUT_ZONES -o eth0 -g FWDO_public
-A FORWARD_OUT_ZONES -g FWDO_public
-A FWDI_docker -j FWDI_docker_log
-A FWDI_docker -j FWDI_docker_deny
-A FWDI_docker -j FWDI_docker_allow
-A FWDI_docker -j ACCEPT
-A FWDI_public -j FWDI_public_log
-A FWDI_public -j FWDI_public_deny
-A FWDI_public -j FWDI_public_allow
-A FWDI_public -p icmp -j ACCEPT
-A FWDO_docker -j FWDO_docker_log
-A FWDO_docker -j FWDO_docker_deny
-A FWDO_docker -j FWDO_docker_allow
-A FWDO_docker -j ACCEPT
-A FWDO_public -j FWDO_public_log
-A FWDO_public -j FWDO_public_deny
-A FWDO_public -j FWDO_public_allow
-A INPUT_ZONES -i sosbridge -g IN_docker
-A INPUT_ZONES -i bond0 -g IN_public
-A INPUT_ZONES -i eth1 -g IN_public
-A INPUT_ZONES -i eth0 -g IN_public
-A INPUT_ZONES -g IN_public
-A IN_docker -j IN_docker_log
-A IN_docker -j IN_docker_deny
-A IN_docker -j IN_docker_allow
-A IN_docker -j ACCEPT
-A IN_public -j IN_public_log
-A IN_public -j IN_public_deny
-A IN_public -j IN_public_allow
-A IN_public -p icmp -j ACCEPT
-A IN_public_allow -p tcp -m tcp --dport 22 -m conntrack --ctstate NEW,UNTRACKED -j ACCEPT
-A LOGGING -m limit --limit 2/min -j LOG --log-prefix "IPTables-dropped: "
-A LOGGING -j DROP
COMMIT
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