I have to admit that I’m a bit disappointed in this post as a whole. To suggest blocking libwww-perl completely is sort of like saying we should close down all roads because wrecks frequently happen on them.

That said, if the idea is to reduce spam to one’s blog, wouldn’t it be wise to at least setup some exlusions and block libwww-perl for your comments and postback forms only? To block it out in total is to prevent some news readers/aggregators from getting to your xml/atom/rss feeds.