You may want to read the previous post first to get a handle on what packets are. This article will then make more sense for you. There are two main types of firewall: Packet Web Filter Application Level Gateway A Packet Web Filter has no knowledge of the existence of sessions. So it deals with [...]
Entries Tagged as 'Addressing'
How Does A Firewall Work?
January 27th, 2010 · Comments Off · Uncategorized
Tags: Addressing·Application Level Gateway·Firewall·IP·IP address·Products·Protocols·Security