I am seeing in my logs that a particular bot is accessing a lot of my pages (and hitting them fast) with invalid arguments.
For instance I have a page like content.php?page=1 where page should be numeric.
This bot is accessing it with an url instead of a page number, like
It doesn't hurt anything because I check all the arguments and if they aren't valid set them to default values. I have seen small amounts of this in the past but on one day that I'm looking at the log is just full of it. They are also pulling pages that don't take arguments and for those they don't try to set any argument. What are they up to? I can't think what the point of this is. Should I ban this IP address? I looked it up and it says it's ph02.droa.com. droa.com is a registrar, kind of a sleazy one apparently, and they also submit sites to search engines. Could they be thinking I'm a search engine? Are they looking for some vulnerability that I'm not aware of?
Any thoughts would be much appreciated.