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Forwarding a port range
Hi,
I' ve been trying to get this right and have been pulling my hair out :)
I need to forward a range of ports to a single IP internally.
I' ve tried doing this by VIP.
I' d like to forward on for example, ports 12690 to 12700 inclusive to the same ports internally on 1 IP on the LAN.
I' ve created a custom service with TCP low 12690 and high 12700 for source and 12690 low and 12700 high for destination.
I' ve created a VIP with the correct external IP and internal IP, ticked port forwarding then had a problem, I can only type one port in for external port, the box to the right hand side is greyed out. So I typed in just 12690.
Same for map top port underneath.
I then created a policy from wan to internal with the VIP as destination and the custom service 12690 to 12700 tcp range I added earlier set to accept always.
Unfortunately it doesn' t seem to be working.
Any idea what i' ve done wrong here? Or maybe this is only possible from command line?
2 REPLIES 2
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Creating a custom service is optional when using port forwarding with a VIP as the VIP settings will filter the ports used. You could just select ANY in the Service selection in the Firewall Policy. If you want to assign a custom service, you will need to change the source ports for the custom service to the default of 1-65535 since most conections originate from random port numbers. You only want to control the destination ports.
To set a port forwarding range in the VIP, assign the starting port for the External Service Port and the start and end port range on the " Map to Port" line; the external service port range will be set based on the internal range defined. This is the case for firmware versions 4.2 and lower; as of 4.3, the range is set on the External Service Port line instead.
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Ok, I' ll give the second line a try.
Many thanks jmac :)
