Domain Names Service: A web directory of domain name to IP address. It converts human readable domain names (like: www.google.com) into IP addresses (like: 8.8.4.4).
Sigiloso
21 de jun. de 2018
SYN -- SYN-ACK -- ACK
Host A sends a TCP SYNchronize packet to Host B
Host B receives A's SYN
Host B sends a SYNchronize-ACKnowledgement
Host A receives B's SYN-ACK
Host A sends ACKnowledge
Host B receives ACK.
TCP socket connection is ESTABLISHED.