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Name four firewalls.
- packet filtering
- circuit level
- application level
- stateful inspection
What layer is packet filtering?
Application level is what layer?
What is a firewall?
A combination of hardware and software that protects a network from attack by hackers who could gain access through public networks, including internet.
What is SOCKS?
SOCKS is a protocol that can be used to create proxy connections through a firewall.
What boarder device is used to protect security zones?
What is a circuit level Proxy?
It creates a circuit (connection) between the internal host and the outside server.
What is (NAT)
Network address translation
What does NAT do?
Translates a private address into a public address. Nat effectively hides your network from the world.
What would you like to do?
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