1.5d Protocols

1.5d Protocols

1. SMTP

   • Also known as 'Simple Mail Transfer Protocol'
   • SMTP is the protocol that is used to send emails as well as transferring emails between different servers.

2. FTP

   • Otherwise acknowledged as 'File Transfer Protocol'
   • This protocol is used for accessing,editing and moving files between the devices connected to a network. E.g Access files on a server from a client computer after having sent a request

3. IMAP

   • Stands for 'Internet Message Access Protocol'
   • The protocol that retrieves emails from a server, the server contains the email until the user who owns it personally deletes it themselves (you only download a copy from the server). Favoured by most web-based email clients on the internet.

4. TCP/IP

   • The most commonly used protocols, 'Internet Protocol' or 'Transfer Control Protocol'
   • Two individual protocols; TCP sets the rules for devices to follow in order to connect on the network, TCP is also responsible for inspecting the data packets to see if any are missing or are corrupted
     • Whereas IP is the main protocol that is held responsing for packet switching

5. POP3

   • Stands for 'Post Office Protocol' ver. 3
   • This protocol is used to retrieve emails from a server. The server holds the email until the user downloads it, afterwards the server will automatically delete the email from its database.

6. HTTPS

   • 'Hyper Text Transfer Protocol Secure' - the more preferable between HTTP and HTTPS
   • HTTPS is the superior version of HTTP, though similar, this version is far more secure than HTTP by encrypting all information that is sent or received

7. HTTP

   • The abbreviation of 'Hyper Text Transfer Protocol'
   • A protocol utilised by web browsers to gain access to websites and communicate with web servers on the internet