*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,RST FIN,RST -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags ACK,URG URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags PSH,ACK PSH -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,PSH,URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP
COMMIT
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:CHECK_INPUT - [0:0]
:CHECK_OUTPUT - [0:0]
-A INPUT -j CHECK_INPUT
-A INPUT -j DROP
-A OUTPUT -j CHECK_OUTPUT
-A OUTPUT -j DROP
-A CHECK_INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
{% if iptables.network_adapter_access is defined %}
{% for net in iptables.network_adapter_access %}
-A CHECK_INPUT -i {{ net }} -j ACCEPT
{% endfor %}
{% endif %}
-A CHECK_INPUT -p tcp -m tcp --dport {{ sshd_config.Port|default('22') }} -j ACCEPT
{% if iptables.tcp_port_access is defined %}
{% for tcp in iptables.tcp_port_access %}
-A CHECK_INPUT -p tcp -m tcp --dport {{ tcp }} -j ACCEPT
{% endfor %}
{% endif %}
{% if iptables.udp_port_access is defined %}
{% for udp in iptables.udp_port_access %}
-A CHECK_INPUT -p udp -m udp --dport {{ udp }} -j ACCEPT
{% endfor %}
{% endif %}
{% if iptables.trusted_IP is defined %}
{% for ip in iptables.trusted_IP %}
-A CHECK_INPUT -s {{ ip }} -j ACCEPT -m comment --comment "The Trusted Server Ip"
{% endfor %}
{% endif %}
{% if iptables.trusted_Range is defined %}
{% for range in iptables.trusted_Range %}
-A CHECK_INPUT -s {{ range }} -j ACCEPT -m comment --comment "The Trusted Server Range"
{% endfor %}
{% endif %}
-A CHECK_OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A CHECK_OUTPUT -j ACCEPT
COMMIT