62 lines
1.8 KiB
Plaintext
62 lines
1.8 KiB
Plaintext
# {{ ansible_managed }}
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*filter
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:INPUT ACCEPT [0:0]
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:FORWARD ACCEPT [0:0]
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:OUTPUT ACCEPT [0:0]
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# allow ping and traceroute
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-A INPUT -p icmp -j ACCEPT
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# localhost is fine
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-A INPUT -i lo -j ACCEPT
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# Established connections allowed
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-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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# allow ssh - always
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-A INPUT -m conntrack --ctstate NEW -m tcp -p tcp --dport 22 -j ACCEPT
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# for nrpe - allow it from nocs
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-A INPUT -p tcp -m tcp --dport 5666 -s 192.168.1.10 -j ACCEPT
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# FIXME - this is the global nat-ip and we need the noc01-specific ip
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-A INPUT -p tcp -m tcp --dport 5666 -s 209.132.181.102 -j ACCEPT
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-A INPUT -p tcp -m tcp --dport 5666 -s 209.132.181.35 -j ACCEPT
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-A INPUT -p tcp -m tcp --dport 5666 -s 10.5.126.41 -j ACCEPT
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# ban staging from non-staging hosts
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{% if env != 'staging' and inventory_hostname not in groups['staging-friendly'] %}
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{% for host in groups['staging'] %}
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{% if 'eth0_ip' in hostvars[host] %}# {{ host }}
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-A INPUT -s {{ hostvars[host]['eth0_ip'] }} -j REJECT --reject-with icmp-host-prohibited
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{% else %}# {{ host }} has no 'eth0_ip' listed
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{% endif %}
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{% endfor %}
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{% endif %}
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# if the host/group defines incoming tcp_ports - allow them
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{% if tcp_ports is defined %}
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{% for port in tcp_ports %}
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-A INPUT -p tcp -m tcp --dport {{ port }} -j ACCEPT
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{% endfor %}
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{% endif %}
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# if the host/group defines incoming udp_ports - allow them
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{% if udp_ports is defined %}
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{% for port in udp_ports %}
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-A INPUT -p udp -m udp --dport {{ port }} -j ACCEPT
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{% endfor %}
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{% endif %}
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# if there are custom rules - put them in as-is
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{% if custom_rules is defined %}
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{% for rule in custom_rules %}
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{{ rule }}
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{% endfor %}
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{% endif %}
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# otherwise kick everything out
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-A INPUT -j REJECT --reject-with icmp-host-prohibited
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-A FORWARD -j REJECT --reject-with icmp-host-prohibited
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COMMIT
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