Terminal Services and etcservices

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We are working with a daemon-like Win2K/XP application that uses
GetServByName() to get the TCP/IP port to listen on. We would like to
get it to work with windows terminal services such that if multiple
terminal sessions are opened, each could have an instance of this
application running (on the same target machine, of course). In order
to make this possible, each instance would have to listen on a
different port.

Now, since there is a single common services file located in
\WINDOWS\system32\drivers\etc, it makes it difficult to have each
instance resolve into different port numbers (the service name is not
configurable).

Is there some way to trick the application to pick up different port
numbers? For example, if it was possible to change the location of
the services file to a unique directory for each terminal services
user, it would solve the problem. Or, if it was somehow possible to
intercept the GetServByName call... You get the idea.

Any thoughts?

--Joe G.

 

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BUMP

Anyone?

 

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I think this is above the knowledge base of most of us in here... Try
posting in the terminal servie or scripting/winsdk groups...

Jeffrey Randow (Windows Networking & Smart Display MVP)
jeffreyr-support@remotenetworktechnology.com

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On 21 May 2004 09:24:00 -0700, alienreserve@yahoo.com (Joe G.) wrote:

>We are working with a daemon-like Win2K/XP application that uses
>GetServByName() to get the TCP/IP port to listen on. We would like to
>get it to work with windows terminal services such that if multiple
>terminal sessions are opened, each could have an instance of this
>application running (on the same target machine, of course). In order
>to make this possible, each instance would have to listen on a
>different port.
>
>Now, since there is a single common services file located in
>\WINDOWS\system32\drivers\etc, it makes it difficult to have each
>instance resolve into different port numbers (the service name is not
>configurable).
>
>Is there some way to trick the application to pick up different port
>numbers? For example, if it was possible to change the location of
>the services file to a unique directory for each terminal services
>user, it would solve the problem. Or, if it was somehow possible to
>intercept the GetServByName call... You get the idea.
>
>Any thoughts?
>
>--Joe G.