3
If you want additional protection run Xortify 2.5.1 the Honeypot and Cloud security system for protector. It is free and there is no charge to use it, all you need to do is install the module, change the communication protocol so you can see the Signup form on your system then signup a Xortify Usename.
Xortify prevents SPAM, Comment Spam, as it connect to 2 other honeypots one call Stop Forum Spam and the other one called Project Honeypot.
YOu can get it from
http://www.chronolabs.coop