TCP/IP

From TRCCompSci - AQA Computer Science
Revision as of 14:44, 6 March 2017 by JWright (talk | contribs) (smtp)
Jump to: navigation, search

What is a protocol

TCPIP Stack

Application layer

Transport layer

Network layer

Link layer

Ports

Why we need them

Well known port numbers

Socket

Protocols

http

Hyper Text Transfer Protocol, most often used at the beginning of URLs.

https

A verified, secure version of HTTP.

ftp

File Transfer Protocol

SSH

Secure SHell Protocol. Designed for operating securely over an unsecure network.

telnet

Allows a user to log into a remote computer over the interlinking network.

pop3

Post Office Protocol, version 3.

smtp

Simple Mail Transfer Protocol.

imap