Sorry, no idea, whatever "proxycache" is, it's not a standard vbulletin table, and not related to this hack at all.

It must be something (else) you have installed in the past.

okay, thanks for looking... wonder what the crap I went and did...

Saw someone with the proxy icon, clicked, and this came up:
The adresses are identical. Is this a glitch?

That is the information being passed to your server by the remote client.

Much thanks Paul
*Nominates finally
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buy iolite

Nvm..
I told someone else to use a proxy.
And it didn't work , he had a different ip :(
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Ford B3 platform

As it says ;

You cannot detect annonymous proxy servers, that's the whole point of them.

oooo
thanks for the verify
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Detroit, Toledo and Ironton Railroad

This code add column in post table

ALTER TABLE " . TABLE_PREFIX . "post ADD proxyip VARCHAR(20) not null AFTER ipaddress");

How can I delete this column ?

ALTER TABLE `post` DROP `proxyip`; is is correct ?

Yep.