8. External IP address
any
Match incoming traffic directed at the given IP address only
9. External port
12345
Match incoming traffic directed at the given destination port
or port range on this host only
10. Internal zone
LAN/VPN/WAN
Redirect matched incoming traffic to the specified internal
zone
11. Internal IP address
192.168.1.109
Redirect matched incoming traffic to the specified internal
host
12. Internal port
80
Redirect matched incoming traffic to the given port on the
internal host
13. Enable NAT loopback
Enable/Disable
NAT loopback enables your local network (i.e. behind your
router/modem) to connect to a forward-facing IP address
(such as 208.112.93.73) of a machine that it also on your local
network
14. Extra arguments
Passes additional arguments to iptables. Use with care!
6.6.4
Traffic Rules
The traffic rule page contains a more generalised rule definition. With it you can block or open ports, alter how
traffic is forwarded between LAN and WAN and many more things.
Field Name
Explanation
1. Name
Name of the rule. Used for easier rules management purpose only
2. Protocol
Protocol type of incoming or outgoing packet
3. Source
Match incoming traffic from this IP or range only
4. Destination
Redirect matched traffic to the given IP address and destination port
5. Action
Action to be taken for the packet if it matches the rule
6. Enable
Self-explanatory. Uncheck to make the rule inactive. The rule will not be deleted, but it also
will not be loaded into the firewall.
7. Sort
When a packet arrives, it gets checked for a matching rule. If there are several rules that
match the rule, the first one is applied i.e. the order of the rule list impacts how your firewall
operates, therefore you are given the ability to sort your list as you wish.
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