In the previous post we gave an introduction about this blog and its contents.
In this post we'll be introducing some commonly used protocols.
First let us see "What is a PROTOCOL?"
A protocol is a set of formalized rules that explains how data is communicated over a network. Think of it as the language spoken between computers to help them communicate more efficiently.
Now let us take a look at some protocols and commonly used port numbers for their services:
It runs on port 80.
In this post we'll be introducing some commonly used protocols.
First let us see "What is a PROTOCOL?"
A protocol is a set of formalized rules that explains how data is communicated over a network. Think of it as the language spoken between computers to help them communicate more efficiently.
Now let us take a look at some protocols and commonly used port numbers for their services:
- HTTP stands for HyperText Transfer Protocol.
It runs on port 80.
- SMTP stands for Simple Mail Transfer Protocol
It is a protocol for sending e-mail messages between servers.
It runs on port 25.
- NNTP stands for Network News Transfer Protocol
It runs on port 119.
- POP stands for Post Office Protocol
It is a protocol used to retrieve e-mail from a mail server.
POP3 runs on port 110.
- FTP stands for File Transfer Protocol.
It is a protocol used for exchanging files over the Internet.
It runs on ports 20 & 21.
- IMAP stands for Internet Message Access Protocol.
It is a protocol for retrieving e-mail messages.
It runs on port 143.
