Port forwarding software (service) for Windows

Question

I have a server service that uses 8182 port. Somebody want to connect to this, but 8182 port is unavailable for him, ony 5118 working fine.

No problem I thought, I just install port forwarder software (service), I set to: "If somebody is connecting to 5118, I redirect to 8182".

But I didn't find any trustable (and freeware) good software for this. I tried Rouvali Windows Port Forwarding Service, but it only shows an error on log.

I have no control over the router, because this is a virtual, leased server.

So please suggest me some freeware Windows service (application) that can redirect this port in persistent mode.

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Hi!

The netsh was not really succesful.

First the netstat don't show the binded port.

But next I found this article:

http://social.technet.microsoft.com/Forums/en-US/winservergen/thread/e794910b-9325-4ef9-be82-3e57925e6586/

This said that I need to install IPV6 support. Then I installed it, and restarted the server.

After this the netstat show the needed port, but on connect (locally or remote) I got:

Socket error: An existing connection was forcibly closed by the remote host. (10054), on API 'recv'

What would be the next step?

Thanks for your help: dd

Answer 1

netsh interface portproxy add v4tov4 5118 127.0.0.1 8182
netsh interface portproxy add v6tov6 5118 ::1 8182

Note that the service will see the user as connecting from "localhost", which may be undesirable for logging purposes.

Answer 2

You can also try:

netsh routing ip nat add portmapping "LAN NAME" tcp 0.0.0.0 5118 192.168.0.3 8182

Where 192.168.0.3 is the target server ip.

If port 5118 comes from internet this port has to be open in your firewall/router.