Would it be reasonable to go to a "default closed" configuration for your network, where access to everything is blocked, and there is a list of exceptions? This type of setup will block IM, Napster and it's clones, etc.
I'm with you about technical solutions to social problems. Mike Burden Lynk Systems http://www.lynk.com (616)532-4985 [EMAIL PROTECTED] > -----Original Message----- > From: Reasoner, Bob (PHES) [mailto:[EMAIL PROTECTED]] > Sent: Thursday, January 17, 2002 9:10 AM > To: [EMAIL PROTECTED] > Subject: [gb-users] IM Madness > > > Has anyone out there had any real success in Blocking access > to external > Instant Messenger programs? > > I have written outbound filters to block all but the standard > ports, and > that seemed to work temporarily, but of course these programs > seem to do a > port scan and connect again. > > I have the CyberNOT option on my GB-Flash if there is anyway to > incorporate > it in that. Otherwise does anyone know of a list of IP > addresses that can > be blocked for MSN, AIM, and Yahoo IM? > > I realize that this should be a policy issue and that > Manager's should be > held accountable for the actions of their employees, but > unfortunately our > organization doesn't seem to want to make an issue of it and thinks I > should > find a technical solution. > > Thanks for any assistance anyone can provide! > > Bob Reasoner > Harris County Public Health & Environmental Services >
