What can you tell me about firewalls?
A firewall is a set of related programs, located at a network gateway server, that protects the resources of a private network from users from other networks. (The term also implies the security policy that is used with the programs.) An enterprise with an intranet that allows its workers access to the wider Internet installs a firewall to prevent outsiders from accessing its own private data resources and for controlling what outside resources its own users have access to.
This link provides a lot more information on firewalls, including product reviews and security strategies, that I think will help.
Related Q&A from Amy Kucharik
Learn what network latency is in this expert response.continue reading
Learn what the true definition of a download is and whether going from one Web site to another falls under this category in this Q&A with Amy ...continue reading
In this Q&A with Amy Kucharik, learn what the difference is between a patch and a service pack.continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.