Protocols

Protocols

1. TCP/IP

   • Enables two hosts to establish a connection and exchange streams of data between each other
   • Guarantees delivery of data and also guarantees that packets are delivered in the same order they were sent in
   • Used to interconnect two devices together.
   • Can also be used as communications in a private network

2. HTTP

   • Is the underlying protocol used by the World Wide Web
   • Defines how messages are formatted and transmitted and what actions web servers take in response to certain commands
   • HyperText Transfer Protocol

3. HTTPS

   • HyperText Transfer Protocol Secure
     • Secure version of HTTP
     • Protocol over which data is sent between your browser and the website you're connected to
       • All communications between your browser and the website are encrypted unlike HTTP
   • Better to use this one over HTTP when confidential information is involved such as banking details etc

4. FTP

   • File Transfer Protocol
   • Used to transfer files between computers on a network
   • Can be used to exchange files between computer accounts, transfer files between an account and a a desktop computer or access online software archives

5. POP3

   • Post Office Protocol 3
   • Computer networking and internet standard protocol
   • Downloaded emails will be downloaded to the local computer fro the mail server
   • Can be used with or without IMAP
   • Can be used without internet connection unlike IMAP
   • Might have transferred spam or viruses which might not be the best ideas to view

6. IMAP

   • Internet Message Access Protocol
   • Stores email messages on a mail server but allows the end user to store and manipulate the messages as if they were stored locally
   • Used to retrieve emails from a mail server over a TCP/IP connection
   • Can be used with a slow connection while POP can be used without one

7. SMTP

   • Simple Mail Transfer Protocol
   • Used for sending email messages between servers