Re: Open Ports required for RFC over HTTP

Harold-

The only thing you need open facing the world is port 443. All those other
ports - opening them negates the whole idea of rpc/http and leaves your
server wide open for the world.

--
--Brian Desmond
Windows Server MVP
desmondb@xxxxxxxxxxxxxxxxxxxx

www.briandesmond.com


"Harold Bruce" <Harold Bruce@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:CE0C7650-B83B-4471-B83B-F02823E5325A@xxxxxxxxxxxxxxxx
>I have an Exchange 2003 (SP1) single server that I have configured for RFC
>or
> HTTP. It works great if we are inside the firewall, but outside, it never
> connects. I know it is a firewall issue because we turned the firewall
> off
> for the IP of the server.
>
> My question is: what ports are required to be open for RFC over HTTP?
> I had the following ports open: 110, 995, 25, 143, 993, 80, 21, 443, 691,
> 389, 3268, 88, and 135.
>
> We actually run SurfControl on the server, so it is listening on port 25
> while Exchange is set to listen on port 26. Do I need to open port 26?
> Is
> there anything I am missing?
>
> Thanks


.

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