A program that defends your computer from malicious users accessing and using your computer either as a port to someone elses computer or to totally mess up yours :)
by Urban-k September 02, 2003
1. a progam that protects a computer from malware and other forms of outside intrusion
2. any protective barrier between two places
2. any protective barrier between two places
My firewall needs to be updated.
by Light Joker August 27, 2007
by IrishRepublicanArmy December 22, 2003
The best tool to prevent windows from accessing the activation server and disabling your version. Also it prevents windows from using your bandwidth to download useless "updates".
The firewall totally stonewalls the windows activation processes !
by chemical_processes May 24, 2010
by Daniel March 25, 2005
Any of a number of security schemes that prevent unauthorized users from gaining access to a computer network or that monitor transfers of information to and from the network.
by Deceptik0n July 12, 2005
"Chris, I want you to strap me down and firewall me"
"AHHH, You're suffocating me with your firewall!"
"AHHH, You're suffocating me with your firewall!"
by Brock, "Dirty Sanchez," Otten October 04, 2007