46 lines
1.7 KiB
Django/Jinja
46 lines
1.7 KiB
Django/Jinja
*filter
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:INPUT ACCEPT [0:0]
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:FORWARD DROP [0:0]
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:OUTPUT ACCEPT [0:0]
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:openstack-INPUT - [0:0]
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:openstack-OUTPUT - [0:0]
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-A INPUT -j openstack-INPUT
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-A openstack-INPUT -i lo -j ACCEPT
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-A openstack-INPUT -p icmp --icmp-type any -j ACCEPT
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#-A openstack-INPUT -p udp --dport 5353 -d 224.0.0.251 -j ACCEPT
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-A openstack-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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# SSH from anywhere
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-A openstack-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
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# Public TCP ports
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{% for port in iptables_public_tcp_ports -%}
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-A openstack-INPUT -m state --state NEW -m tcp -p tcp --dport {{ port }} -j ACCEPT
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{% endfor -%}
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# Public UDP ports
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{% for port in iptables_public_udp_ports -%}
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-A openstack-INPUT -m udp -p udp --dport {{ port }} -j ACCEPT
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{% endfor -%}
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# Per-host ingress rules
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{% for rule in iptables_rules_v4 -%}
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-A openstack-INPUT {{ rule }}
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{% endfor -%}
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{% for host in iptables_allowed_hosts -%}
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{% for addr in host.hostname | dns_a -%}
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-A openstack-INPUT {% if host.protocol == 'tcp' %}-m state --state NEW {% endif %} -m {{ host.protocol }} -p {{ host.protocol }} -s {{ addr }} --dport {{ host.port }} -j ACCEPT
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{% endfor -%}
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{% endfor -%}
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{% for group in iptables_allowed_groups -%}
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{% for addr in groups.get(group.group) | map('extract', hostvars, 'public_v4') -%}
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{% if addr -%}
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-A openstack-INPUT {% if group.protocol == 'tcp' %}-m state --state NEW {% endif %} -m {{ group.protocol }} -p {{ group.protocol }} -s {{ addr }} --dport {{ group.port }} -j ACCEPT
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{% endif -%}
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{% endfor -%}
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{% endfor -%}
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-A openstack-INPUT -j REJECT --reject-with icmp-admin-prohibited
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# Egress filtering
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-A OUTPUT -j openstack-OUTPUT
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# Per-host egress rules
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{% for rule in iptables_egress_rules_v4 -%}
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-A openstack-OUTPUT {{ rule }}
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{% endfor -%}
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COMMIT
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