Setting up RDC on port other than 3389


T

Tom M

How do you setup a remote PC within the network to listen in on a port other
than 3389? Is there anything that must be done beyond the router port
forwarding assignment, using the new port and forwarding that to the local
machine on network?

Let's say I'm going to use port 3390 for a PC on the internal network with a
static address of 192.168.1.150

I configure the router to listen on TCP 3390 and forward all requests for
this port to 192.168.1.150. The router's external IP for this examp is say
23.23.10.125

After configuring router would I then contact PC from outside network by
specifying the external IP address + port redirection (ie,
23.23.10.125:3390) -- using this in the Remote Desktop Computer address
window? Or do I have to make some registry edits/entries on the desktop
machine as well?

Port 3390 on this network is already port-forwarded to a server, which I'd
like to keep. I could use another static external IP, but the ISP vendor
sells the statics to this customer one at a time (not enough competition, I
guess) so this might get expensive.

Thanks,
Tom
 
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S

Sooner Al \(MVP\)

You also need to change the listening port on the PC you want to access using Port 3390 (your
example)...

http://support.microsoft.com/default.aspx?scid=kb;en-us;Q306759

Reboot the PC after making the registry change...

--
Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no rights...
 
T

Tom M

Thanks, Al!

Sooner Al (MVP) said:
You also need to change the listening port on the PC you want to access
using Port 3390 (your example)...

http://support.microsoft.com/default.aspx?scid=kb;en-us;Q306759

Reboot the PC after making the registry change...

--
Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual
benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no
rights...
 
G

Guest

Is this a good idea to do for security reasons? And are there any security
guidelines I should follow in picking the new RD port?

Thanks,
JR
 
S

Sooner Al [MVP]

Some people believe in the "security through obscurity" theory, which your trying to do if you
change the listening port to something other than the default. Personally, I think using a *strong*
password and limiting Remote Desktop access to a specific user is sufficient, at least in my case.

You could always run Remote Desktop through a VPN or SSH tunnel for added security.

It really comes down to how much risk you are comfortable with...

--
Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no rights...
 
C

chad

Sooner said:
Some people believe in the "security through obscurity" theory, which your trying to do if you
change the listening port to something other than the default.
Personally, I think using a *strong*
password and limiting Remote Desktop access to a specific user is
sufficient, at least in my case.
You could always run Remote Desktop through a VPN or SSH tunnel for added security.

It really comes down to how much risk you are comfortable with...

WiSSH (http://www.wissh.com) is a very nice RDP over SSH solution. And
when used with a Windows SSH daemon service, such as FreeSSHd from
http://www.freesshd.com, its even better for the small setups to use.

Chad
 
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S

Sooner Al [MVP]

Chad,

Thanks for that...

--
Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no rights...
 

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