Checks whether a visitor is listed in blacklists
Checks if the visitor is listed in any of the specified blacklists. This can be used to fight against the comment and signup spam or protect the blog against script kiddies.
All bugs Latest bugs reported
Bug #706568: IDNs should be converted to punicode
Reported on 2011-01-23
Bug #674147: Ignore responses other than 127.x.x.x
Reported on 2010-11-11