So.. this topic was created by me, I thought that it would be a replacement to ?i=1 but I was totally wrong. User Agent BlackListing is not going to stop serious hackers, just script kiddies. @InfinityFree was able to correct me and help me in my research about ?i=1 and why user agent blacklisting will have a very small effect only.
If you still want to read my topic, here you go: