Information about Ports

Hello can someone please tell me some more information about ports???

I know that port 80 is for websites
and port 25 is for telnet

can you please give me more information??
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cujaviaConnect With a Mentor Commented:
First go to your Windows directory, e.g. C:/Windows, and open Services file (no extension) and you will see most common ports/protocols.
Then go to the following link:
By the way, 25 is smtp and 23 is telnet.

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