Types of Firewall • Types of Firewall • Packet filtering • Packet filtering or network layer (Layer 3) firewalls make decisions based on the source and destination addresses and ports in IP packets. This basic form of firewall protection is re...

Network Switches • Network switches • Everybody needs one, everybody has one, a network switch. A switch for your Ethernet network. If you listen to some people then a switch is the most trivial device needed for connecting computers. Is that ...