Firewall
Question 1 |
A packet filtering firewall can
deny certain users from accessing a service | |
block worms and viruses from entering the network | |
disallow some files from being accessed through FTP | |
block some hosts from accessing the network |
Question 1 Explanation:
Packet-filtering firewalls operate at the network layer (Layer 3) of the OSI model. Packet-filtering firewalls make processing decisions based on network addresses, ports, or protocols.
Packet filtering is a network security mechanism that works by controlling what data can flow to and from a network
A packet filtering firewall can block some hosts from accessing the network.
Packet filtering is a network security mechanism that works by controlling what data can flow to and from a network
A packet filtering firewall can block some hosts from accessing the network.
There is 1 question to complete.