Hi,

I have 4.4 ip.board version. I have hide subforum for guest, only registred users visible, but i need index by google bot this subforum. What soulution?

Regards

That’s against Google’s Webmaster Guidelines. https://support.google.com/webmasters/answer/66355?hl=en

Google doesn’t want that and might reduce your ranking for trying. 

It's clear! Thanks!