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RDP configuration in Cisco Firewall ISA500

Posted on 2013-12-09
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Last Modified: 2014-01-26
Currently have Cisco Firewall & trying to setup RDP through the Firewall to a PC on its static private IP within the LAN.

RDP port 3389 is currently in use by one of our servers & so have tried designating another RDP port 3392 translated to port 3389 and pointing to PC's Private IP, then Firelwall rule allowing anything on these ports with destination on private ip as per below - but this isnt working.  

Configured as below:

Domain is pointing to a designated Public IP address (When pinging domain in cmd this returns correct public IP)

Port Forwarding Rule setup in Cisco Firewall:

Original service = RDP on Port 3392
Translated service = RDP on Port 3389
Translated IP = local PC's Private IP address
WAN service = WAN1
WAN IP = Public IP which Domain is pointed to.

ACL Rule setup in Cisco Firewall:

From Zone = WAN
To Zone = ANY
Services = RDP Range (3389-3392)
Source Address = ANY
Destination Address = local PC's Private IP address


Grateful for your assistance.
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Question by:BROOKERS996
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5 Comments
 
LVL 7

Expert Comment

by:kellemann
ID: 39737717
Which version of the firewall software are you running? If running 8.3 or newer the configuration looks different than 8.2 and earlier.
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Author Comment

by:BROOKERS996
ID: 39746261
Thanks for Reply - Firmware (Primary/Secondary):  1.2.18 / 1.2.17
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LVL 7

Expert Comment

by:kellemann
ID: 39747032
Hi again.

Sorry, I thought is was the ASA series of firewall. My expertise on Cisco ISA is zero. My bad.
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Accepted Solution

by:
BROOKERS996 earned 0 total points
ID: 39799391
Advanced NAT required for Port Translation
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Author Closing Comment

by:BROOKERS996
ID: 39809870
Solved myself in the end
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