Was "Use system proxy settings" an option on versions of Firefox earlier than 4.0? I don't remember. I DO know that Firefox 4.0 has the system settings option and it works when I configure the system proxy settings in the network preferences and select it. Tim Levesque MCP, A+, NET+ Technology Director Easton School Department 207-488-7702 ext 18 www.eastonschooldistrict.org On Apr 13, 2011, at 5:41 PM, Ray Soucy wrote: > That sounds very odd, as it will block all connections to those > networks. The only thing I can think of is that Firefox has different > addresses for Facebook (perhaps even malware redirecting your Facebook > requests). Or that Firefox perhaps making use of the MECguard SSL > proxy and you haven't blocked facebook.com. > > I would like to see more details on this. > > On Wed, Apr 13, 2011 at 5:15 PM, Eugene Blake <[log in to unmask]> wrote: >> WE have done the closed port solution to try to block (https) Facebook. One >> of the kids let it slip out to a teacher that you could use https and >> Firefox. The closed port solution works when using Safari and Internet >> Explorer, but not Firefox. Haven't had time to explore more. >> >> Eugene Blake >> Technology Coordinator >> MCSD 917/School Union 103 >> >> >> -----Original Message----- >> From: Joebox User [mailto:[log in to unmask]] On Behalf Of Ray Soucy >> Sent: Wednesday, April 13, 2011 9:45 AM >> To: [log in to unmask] >> Subject: Are you using MECguard SSL? >> >> I'm interested in feedback from schools that have deployed, or >> attempted to deploy, MECguard SSL (the proxy-based HTTPS filter). >> >> Anyone using it successfully yet? If so, how is it working out? >> >> If you've tried to deploy it but ran into a roadblock, I want to hear >> about that as well. >> >> -- >> Ray Soucy >> >> Epic Communications Specialist >> >> Phone: +1 (207) 561-3526 >> >> Networkmaine, a Unit of the University of Maine System >> http://www.networkmaine.net/ >> > > > > -- > Ray Soucy > > Epic Communications Specialist > > Phone: +1 (207) 561-3526 > > Networkmaine, a Unit of the University of Maine System > http://www.networkmaine.net/