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Then the problems began. A certain IP range keeps requesting hundreds of deleted forum files resulting in 404s now.
At least 500-1000 requests per day.
All IP addresses start with either 84. or 89. other numbers seem to be pretty random, IP locator says all these requests come from Frankfurt Am Main (Germany).
-How should I proceed? I have virtually no experience in IP blocking, I know there is a way to do this in .htaccess, but is it even possible to block such a wide range?
- what is it exactly that I'm seeing here? I never heard of such situation. What is this spammer trying to do actually? Except generate hundreds of 404's in my log?
I'd appreciate any help and suggestions..
My experience is that those forum spam bots are quite dumb, and you will get requests for the deleted pages for at least another six months or so. If you don't have the forum anymore you can just let the spambots come in and eat their 404. They don't harm and adding all those IPs to your .htaccess for filtering might slow down other users because for every legitimate HTTP request the rules in the .htaccess files are parsed to see if a matching IP address exists.
I suppose no harm will be done, but they do mess with my statistics somewhat, because they usually enter the front page and then keep looking for phpbb pages, which don't exists any more.
But indeed they get active with wide array of IP addresses, I also believe that trying to block them in htaccess would be a terrible mess.
I use this dumb attitude of spambots now in my new anti-spam approach and with my current setup they don't even reach my register or post scripts anymore.