I'm receiving too many requests on my server from different ip addresses. I discovered, watching apache access.log, that all these ip addresses are requesting a specific file (teXeFe.php). I'd like to block the access to all these ip addresses. How can I do it?
How about using the iptables string match ?
Something like,
iptables -I INPUT 1 -m string --algo bm --string "teXeFe.php" -j DROP
I inserted the rule at position one just for testing since I had other rules that matched before this one if it was insterted furhter down the chain. Anyway, you get the concept. You could also be a little more specific in the rule (including the GET /full/url/path etc).
Here is page describing the string-matching filter,
- http://spamcleaner.org/en/misc/w00tw00t.html
And here's another stackoverflow-question about it,
- iptable rule to drop packet with a specific substring in payload
Hope that helps!
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