Activate Norton Security Software
|
|
|
Hi! Here's an extensive collection of educational articles and
resources to explore in your quest for Internet security software.
|
|
|
|
What is a Firewall
By Benjamin Hargis
Simply put it acts as a barrier between your computer and the internet. To protect you from crackers, hackers and malware.
If your running DSL or a cable modem you should employ a firewall, as having a direct connection to the Internet can make you a target to attack.
Firewalls can be hardware or software based. With firewalls you set up ACL's or Access Control lists to allow or deny traffic.
There are three different ways a firewall can block traffic.
1. Packet Filtering- Packets are analyzed against filters in the firewall rulesets. Firewalls will drop packets that are not allowed in the firewall rulesets.
2. Proxy Service- Information from the Internet is grabbe...
[ Read Article ]
|
|
| Copyright 2012 |
|
