Siemens SINAUT MD740-1 User Manual page 31

SINAUT MD740-1
If you want to set a new rule, click on New.
Set the required rule (see below), then click on OK or Apply.
Protocol
Here you enter the protocol to which the rule is to apply.
Incoming on IP
Here you enter the external IP address (or one of the
external IP addresses) of the SINAUT MD740-1.
OR
Should a dynamic change of the external IP address of the
SINAUT MD740-1 take place, so that it cannot be given, use
the following variable: %extern.
The special value %extern refers to the first IP address in
the list when using several static IP addresses for the
external interface.
Incoming on Port
Original destination port that is given in incoming data
packets.
Redirect to IP
Internal IP address to which the data packets are to be
forwarded and to which the original destination addresses
are rewritten.
Redirect to Port
Port to which the data packets are to be forwarded and to
which the original destination addresses are rewritten.
You can make the following possible entries:
Port
You can only specify individual ports, either with the port
number or with the corresponding service name: (e.g. 110
for pop3 or pop3 for 110).
Log
For each individual port forwarding rule you can determine
whether, when the rule is applied,
- the event is to be logged - set Log to Yes
- or not - set Log to No (default setting).
Configuration
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