When a frame is created by the datalink layer; where is the source and destination IP address located? I know the source & mac address is visible.
2.Also I dont quite understand what happens at/with the ETHER-TYPE FIELD???
3.What role does the protocol field play here?
4.Why is blocking source port protocols wrong, when limiting access of the network to the internet to eg// http https only??
5.I dont undertand the INSPECT Process very much in Cisco (BASIC)CBACS Firewalls when processing traffic.