NOTE: Networking Switch/Router/Firewall – L2,L3,L4 Headers – and where they change – OSI 7 layers – and CEF
Networking Switch/Router/Firewall – L2,L3,L4 Headers – and where they change – also a quick look at OSI 7 layers (simple) #################################################### * http://www.inetdaemon.com/tutorials/information_security/devices/firewalls/stateful_vs_stateless_firewalls.shtml#sthash.vO5Num5c.dpuf * http://www.webopedia.com/quick_ref/OSI_Layers.asp WHAT HAPPENS AT DIFFERENT LAYER ################################# Basic IP communicationRead More…