Hai

Can any one knows how to use php badbehavior for web site security

Thanks in advance

bad-behavior deals with link spam it isn't a general web site security package. I wasn't aware of it so I just had a look. There are "connectors" / interfaces for some common systems like Wordpress. If you want to use it on your own site, it can be as simple as adding a Require (that is documented on the bad-behavior site) but it will run degraded unless you do some customization to add logging and so forth.

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