IT242Firewalls
in Computers by neelYour Price: $20.00 (30% discount)
You Save: $8.57
Description
Firewalls
Michael Samara
IT 242
06/30/2014
Carlos Zapata
Checkpoint Firewalls
Firewalls are very usefull in any network since they help with unwanted traffic on the network. The especially works against hackers or any progrm thats on the outside from accessing any important information. Firewalls are used to block any attempts from the user from accessing web pages that are not secured. The three main tpyes of firewalls are Packet Filters, Circuit Level Gateways, and Application Gateways.
With Packet filters, there is a control list being used and is kept on the router. "The router then determines which machine can use the router by the IP."(Hamlett, K. (2002-2006) The packet filtering works at the network layer of the OSI model. The packets are filtered based on the course and the...