How to block referral spam using Nginx?

Question

I\'m running two mongrels under an Nginx server. I keep getting requests for a nonexistent file. The IP addresses change frequently but the referring URL stays the same. I\'d

Answer 1

I have created module for checking incoming IP in black lists https://github.com/oneumyvakin/ngx_http_blacklist_lookup_module

it's uses blacklists from projecthoneypot.org, blocklist.de and uceprotect.net