What exactly happens in telnet/SSH connection? [closed]

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Closed 11 years ago.

开发者_运维技巧 Improve this question

How does the host machine responds to it?

I tried to find by searching in google. But, I couldn't find any article which explains me better. (May be I am lacking in the googling skills). Could anyone help me with this?

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SSH is a protocol, to understand how the communication between the host and the server happens you will need to read (a lot) about it. Here is a start:

http://www.snailbook.com/protocols.html

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You need to read this RFC. Not an easy read, it's for protocol lawyers. But there it is.