Security Basics mailing list archives
Re: Blocking GoToMyPC
From: Todd <tod () megachump com>
Date: Thu, 30 Oct 2003 15:51:32 -0500
VPN circumvention barriers: gotomypc.com you can prevent company computers from being accessed via GoToMyPC.com service by using your firewall to block access to the host poll.gotomypc.com. loudpc.com you can prevent your company computers from being accessed via the loudpc.com service by using your firewall to block access to the hosts device.loudpc.com and my.loudpc.com On Wed, Oct 29, 2003 at 02:01:28PM -0500, Brandon Slice wrote:
What is the easiest way to block GoToMyPC? I do not want employees either working on their home machines from work, or opening up the network by bypassing the firewall. I think from reading GoToMyPC's website the remote machine must login into one of the servers, then the client connect to the GoToMyPC server and the server relays commands to the remote machine. Also I think I read that GoToMyPC uses HTTP and other protocols that normally the firewall allows through. One idea that we had was to put a phony DNS entry into our DNS server for the GoToMyPC domain, to send that traffic to a non-existent IP on our network. Would this work? What would be the major problems with it? What about disallowing access to any ip that on a reverse DNS lookup falls into the GoToMyPC domain? Thanks for your time, Brandon
-- Todd tod () megachump com --------------------------------------------------------------------------- Forum Systems PRESIDIO: PGP / XML GATEWAY APPLIANCE The Presidio integrates PGP data encryption and XML Web Services security to simplify the management and deployment of PGP and reduce overall PGP costs by up to 80%. FREE WHITEPAPER & 30 Day Trial - http://www.securityfocus.com/sponsor/ForumSystems_security-basics_031027 ----------------------------------------------------------------------------
Current thread:
- Blocking GoToMyPC Brandon Slice (Oct 30)
- Re: Blocking GoToMyPC Ivan Hernandez (Oct 30)
- RE: Blocking GoToMyPC jm (Oct 30)
- Re: Blocking GoToMyPC jim (Oct 30)
- Re: Blocking GoToMyPC Todd (Oct 30)
- <Possible follow-ups>
- RE: Blocking GoToMyPC Drew Hunt (Oct 30)