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Every computer connected to the Internet has a unique address. This is called its ‘IP address’ and is very similar to the format of your home address. Your home address consists of the town/village and street where you live. Similarly, an IP address has two parts.
The first is a ‘network’ portion containing the [...]
Tags: Broadband·Firewall·Internet Protocol·Internet service provider·IP address·Local area network·Packet·Protocols
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 each packet individually and [...]
Tags: Addressing·Application Level Gateway·Firewall·IP·IP address·Products·Protocols·Security