Different Protocols

Different Protocols

1. Web Server Protocols

   • HTTP
     • Used when accessing web pages which just display content. Content is not encrypted
   • HTTPS
     • Used when accessing content which is encrypted.
   • FTP
     • Sending or retrieving files from client to server. Can be used to send files

2. Email protocols

   • SMTP
     • Is used to send emails / transfers emails between servers
   • IMAP
     • Is used to retrieve emails. Downloads a copy of the email and keeps it on the server until deleted
   • POP3
     • Is used to retrieve email, downloads the email and then deletes it from the server