other protocols

Question 1

what is icmp

Answer 1

internet control message protocol used in text messaging

Question 2

GRE

Answer 2

generic routing encapsulation - the tunnnel

Question 3

vpn

Answer 3

virtual private network

Question 4

ipsec

Answer 4

internet protocol security - security for osi layer 3

Question 5

what does an authentication header have

Answer 5

hash of the packets and a shared key

Question 6

esp

Answer 6

encapsulation security payload