What Is FireWall

Firewall use for filtering incoming packet and outgoing packet and firewall is one important thing to make your network secure. There are four kind of firewall :

1. Packet Filtering
2. Circuit Gateways
3. Applications Gateway
4. Hybrid Firewall.



For The Packet filtering it was provide to be 3 :

1. Dynamic filtering
2. Static Filtering
3. Stateful Inspection.

For more information about Firewall you can search on google or you can find on this link :
1. Firewall.com
2. Firewallguide.com