Suppose Eric is a Network Security Engineer in ABC Company. He is asked by his manager to block the access to unauthorized web sites being accessed by the users of the company. Can these unauthorized web sites be blocked with the Firewalls?

What does sniffing mean?

Which type of Firewalls keep a track on the state of the connection?

At which layer does the Circuit-Level Firewall work?

Which zone is the un-trusted zone in Firewalls architecture?

What are the advantages of Stateful Inspection Firewall?

A Stateful Packet Inspection firewall maintains a "BLANK", which is also just a list of active connections.

What technology is used on firewalls that process stateful packet inspections at the hardware level and as close to the line rate as possible?

What kind of firewall is the opensource IPtables firewall commonly found on Linux Distros?

What specific chip design allows firewalls to accelerate packet processing to analyze and filter packets between an untrusted and trusted network?

A stateful firewall maintains which of the following?