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Apr 06

Windows Hack - Remote control your home computer from work Windows Add comments There’s always that time when you need desperately to get into your home computer from work, be it to get financial or tax information or just to kick off a download of that great movie your buddy just told you about. Most of us bound behind the corporate firewall can’t get to much of anything outside of 80 or 443 as far as ports go, besides that a lot of us don’t even have rights to install new software on our computers. So we need a hack that doesn’t require any installation on our work computer, but will allow most of us to terminal into our home computer. The hack is to allow a remote desktop connection to your computer over port 443, which is the standard http ssl port, and is typically left open for internet browsing by the sys-admin. The hack should work on most Windows 2000/XP/Vista machines. This hack will not work if you’re serving up an SSL website out of your house. Keep in mind this hack requires editing the registry and if you don’t know what your doing or modify the wrong key it could severely trash your computer, please perform at your own risk. Step 1: Make sure Remote Desktop Sharing is enabled on your computer 1. Right click My Computer and click Properties, then click on the Remote Tab alternatively Click Start -> Control Panel -> System -> Advanced System Settings (Vista Only) -> Remote Tab 2. Check box to allow remote users to connect

Step 2: Swap RDP Listening Port in Registry from 3389 to 443 1. Click Start -> Run -> Type regedit -> Click OK 2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control

\Terminal Server\Wds\rdpwd\Tds\tcp 3. Double Click PortNumber -> Switch the radio to Decimal -> Change the value from 3389

to 443 and click OK 4. Navigate to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\

TerminalServer\WinStations\RDP-Tcp\PortNumber 5. Double Click PortNumber -> Switch the radio to Decimal -> Change the value from 3389

to 443 and click OK 6. Restart the computer

Step 3: Router - Set up a port forward to pass 443 to your home computer (Linksys router) This is for a user that has a home network, if you don’t have a router you don’t need to perform this step. 1. Login to your router 2. Go to the port forward tab, on a linksys router this is the Applications and Gaming tab

3. Map a forward from incoming 443 to 443 on the internal IP address of the box you just modified to listen on port 443 4. Go to the Security tab under Firewall and check Filter Multicast, uncheck Block anonymous internet requests 5. Click on VPN link under Firewall enable all VPN options for passthrough

http://www.ip-adress.com/ If your IP isn’t static, use a Dynamic DNS service and install a client to update your IP, http://www.dyndns.com/services/dns/dyndns/ Step 5: Test it out at work You should now be able to create a Terminal Services connection across port 443 to your home computer behind the corporate firewall using the remote desktop connection software already installed on most corporate images. 1. Click Start -> Programs -> Accessories -> Communications (2000/XP) -> Remote Desktop Connection 2. Put in your public IP address or DynDNS address and :443 and click Connect

3. You should be able to login with the username and password you use on your computer

This entry was posted on Friday, April 6th, 2007 at 9:34 pm and is filed under Windows. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

Comments •

Terinea Tech Tips 8:28 am on April 18, 2007 Great post for remote access. Hopefully one day these ADSL router boxes will come with VNC server of some sort.

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webguy 3:29 pm on April 18, 2007 Thanks, I’m happy either way, as long as I can continue to sneak out over port 443.

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siLo 12:04 pm on July 6, 2008 This is great. I have a DLINK DI-624 and this worked fine for me. Only question I have, is if you want to file share how would send yourself files from your home pc to your work pc over port 443?

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webguy 12:12 pm on July 6, 2008 I haven’t tried this, but it might be possible to just open the Advanced options on the remote desktop client, choose Local Resources and check to share Disk Drives, this way you’ll have a drive mapping under my computer from the local computer on the remote computer. Give it a try and let me know.

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nit 11:16 am on August 19, 2008 wonderfull idea. thnx

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san 8:52 pm on September 4, 2008 worked great for me! thanks

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