Protocols

Protocols

1. Application

   • HTTP(S)
     • Instructions for how the web page should be set up. HTTPS focuses more on the security of a site. The data is encrypted before being sent out.
   • POP
     • POP or Post Office Protocol is used in mail servers and allows for viewing and deleting of emails from a server.
   • IMAP
     • The Internet Message Access Protocol is a protocol used in mail servers, it's like POP but offers more commands for the email server itself.
   • FTP
     • The 'File Transfer Protocol' is a simple protocol used for transferring data between a client and a server on a computer network.
   • SMTP
     • The Simple Mail Transport Protocol is used to send emails between mail servers.

2. Transport

   • TCP
     • Seperates the messages into packets for sending, soon to be put back together.

3. Network

   • IP

4. Link

   • Ethernet
   • Bluetooth