# {{ ansible_managed }}
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]

# allow ping and traceroute
-A INPUT -p icmp -j ACCEPT

# localhost is fine
-A INPUT -i lo -j ACCEPT

# Established connections allowed
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

# if the blocked_ips is defined - drop them
{% if blocked_ips is defined %}
{% for ip in blocked_ips %}
-A INPUT -s {{ ip }} -j DROP
{% endfor %}
{% endif %}

# allow ssh - always
-A INPUT -m conntrack --ctstate NEW -m tcp -p tcp --dport 22 -j ACCEPT

# for nrpe - allow it from nocs
-A INPUT -p tcp -m tcp --dport 5666 -s 192.168.1.10 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5666 -s 192.168.1.166 -j ACCEPT
# FIXME - this is the global nat-ip and we need the noc01-specific ip
-A INPUT -p tcp -m tcp --dport 5666  -s 38.145.60.16 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5666  -s 38.145.60.15 -j ACCEPT

# if the host/group defines incoming tcp_ports - allow them
{% if tcp_ports_eth0 is defined %}
{% for port in tcp_ports_eth0 %}
-A INPUT -p tcp -m tcp -i eth0 --dport {{ port }} -j ACCEPT
{% endfor %}
{% endif %}

# if the host/group defines incoming udp_ports - allow them
{% if udp_ports_eth0 is defined %}
{% for port in udp_ports_eth0 %}
-A INPUT -p udp -m udp -i eth0 --dport {{ port }} -j ACCEPT
{% endfor %}
{% endif %}

# if the host/group defines incoming tcp_ports - allow them
{% if tcp_ports_eth1 is defined %}
{% for port in tcp_ports_eth1 %}
-A INPUT -p tcp -m tcp -i eth1 --dport {{ port }} -j ACCEPT
{% endfor %}
{% endif %}

# if the host/group defines incoming udp_ports - allow them
{% if udp_ports_eth1 is defined %}
{% for port in udp_ports_eth1 %}
-A INPUT -p udp -m udp -i eth1 --dport {{ port }} -j ACCEPT
{% endfor %}
{% endif %}

# if there are custom rules - put them in as-is
{% if custom_rules is defined %}
{% for rule in custom_rules %}
{{ rule }}
{% endfor %}
{% endif %}

# otherwise kick everything out
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT

{% if nat_rules %}
*nat
:PREROUTING ACCEPT [0:]
:INPUT ACCEPT [0:]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]

{% for rule in nat_rules %}
{{ rule }}
{% endfor %}
COMMIT
{% endif %}
