Computer Security and Legal Issues

Computer Security and Legal Issues

Question No 1

Difference between Application Layer Firewall and Packet Filtering Firewall

Packet filter firewall deals with transport protocol layer's network traffic. A set of predefines rules are used to examine every single packet that enters or leaves the IP network in order to control the overall data flow. The rules decide whether a communication can be allowed on the basis of the data within the transport layer headers and the internet and the direction towards which the packet is headed. Moreover, the firewall enables the network administrator to prohibit or permit data transfer ...