Spam bot infestation???

[dcw]

So my forum has developed some new members, but I am leaning torge either a troll or spam bot, and I really believe it is bots, they all have the exact same bday. Jan 1 1980.

What is the best way to control these?

[veenuisthebest]

lot of tips here
http://www.vbulletin.com/forum/showthread.php?t=211647