Can I refuse clients of old versions to log in the server?

[pdl]

I don't want clients of old versions to log in the server. In other word, I only want clients of specific version to log in it.

Can I modify config file to do it? Or I have to rewrite code or write a plugin?

PS: My English is not so good, so please forgive me for the bad grammar. Thank you.

[NiLSPACE]

I already made a plugin for that, but I didn't create a thread for it so that's why you couldn't find one. Here it is: https://forum.cuberite.org/attachment.php?aid=434

[pdl]

I already made a plugin for that, but I didn't create a thread for it so that's why you couldn't find one. Here it is: https://forum.cuberite.org/attachment.php?aid=434

I used to believe that I can get procotol version from HOOK_HANDSHAKE, so I could not make a plugin to do it. Thank you for tell me how to do it.

[NiLSPACE]

We have a hook called OnLogin that gives the information about the protocol. I do have to mention that you can return true with the OnLogin hook to block the player from logging in, but I didn't do that in my plugin because I wanted a customizable kick message.