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ISA2004 and RDC to non-standard port

Posted on 2006-04-21
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Last Modified: 2010-04-08
I am on a SBS2003 Server with ISA2004
I can make remote desktop connections from the SBS2003 server to external systems on the default RDC port 3389
I would like to make a remote desktop connection from the SBS2003 server to an outside terminal server that has been set up to listen on port 10941. How do I do this?

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Question by:DaveChoiceTech
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Keith Alabaster earned 2000 total points
ID: 16513920
Not a problem.
Open the gui
click on firewall policy
righ-click firewall policy and select new access rule
Give it a name
select allow
In selected protocols, click add
select user-defined then click new - protocol at the top of the small window.
call it rdp 10941
Click new on the primary connection
put 10941 in the start and end port box - click ok
click next - next - finish
Open the user-defined protocols and now select rdp 10941 then close - next
In the rule sources, select add. Open networks and choose local host and internal
click close - next
in destinations, select external - close - next
Select all users then finish. Apply the rule.

Ensue tcp port 10941 is allowed out of your external router/firewall device.
Job done :)

regards
keith
ISA MCT


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Author Comment

by:DaveChoiceTech
ID: 16514729
Right on!.

In doing this I noticed a built in rule "SBS Internet Access Rule" that appears to allow "All Outbound Traffic" fron "All Protected Networks" to "External" for "SBS Internet Users". Why isn't port 10941 already covered in this rule under "All Outbound Traffic"?
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by:Keith Alabaster
ID: 16514961
because it covers traffic listed in the supplied, existing protocols. 10941 was not an existing protocol; you had to create it.
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LVL 51

Expert Comment

by:Keith Alabaster
ID: 16514963
o, thanks for the points :)
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