How can I implement single sigon?

[shivanand]

I have a site built with php and got VB installed. I need a single sign on feature to access the site and VB. should be Vbulletin version 4+ (compatible)

[doubleclick]

Are you aware of this?

https://vborg.vbsupport.ru/showthread.php?t=270517&highlight=sso

[shivanand]

Yes, But this is intended for wordpress