Phosphorus and Lime

Get an error message at one of my sites now and again. It's a special page that requires a cookie setting from a previous page else it throws an error. So I suspected a bot of some sort.

I added a server dump to test my theory a few months ago. Today I got several error messages, all with this 'HTTP_X_BLUECOAT_VIA' header. Apparently it's a proxy crawler. Full details here.