12.2.9 Creating or Deleting a Port Forwarding Rule
If port forwarding is enabled, the router forwards packets coming in from the WAN
to the machines in the LAN, which have been specified in the port forwarding
rules.
Only the WAN IP address of the EBW-E100 is accessible from the WAN, if NAT is
enabled for packets going into the WAN. The local terminal devices in the network
of the device can still be accessed with this IP address using port forwarding.
Packets from the WAN sent to the WAN IP address at a port x, can be forwarded to
a machine with the IP address Y at the port y. If a whole port range is specified
alternatively, the packets will be forwarded to the same ports of the destination IP
address.
Due to the "stateful firewall" it is possible that changes to these
functions will not become effective immediately. This may happen if
connections or connection attempts have already been made.
Configuration via web interface (menu "LAN (ext)", page "Port forwarding")
In order to enable port forwarding, check the checkbox "Activate port
forwarding for LAN (ext) interface".
In order to create a port forwarding rule, select in the field "Create new
rule" the protocol and specify the port or port range, for the incoming
packets at the EBW-E100. Enter an IP address for the routing destination
in the entry field "to IP address" and a port in the entry field "to port";
this is the address and the port where the packets are routed to. If a port
range is specified, no destination port is necessary since this
corresponds always to the port range in the WAN.
In order to disable an existing rule, disable the checkbox "active" of the
respective rule and then click on "OK".
In order to delete an existing rule, check the checkbox "delete" of the
respective rule and then click on "OK".
The rules in the list are processed from top to bottom. If two rules
contradict each other (for example, the same port is used twice), only the
rule which is further up in the list will be processed.
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