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Author here. It is Nginx with ModSecurity. It looks like your client uses HTTP/1.0 which I blacklisted as HTTP/1.0 doesn't make sense nowadays as it originally
by neop1x 6y ago
Author here. It is Nginx with ModSecurity. It looks like your client uses HTTP/1.0 which I blacklisted as HTTP/1.0 doesn't make sense nowadays as it originally didn't even support Host header for virtual hosts. HTTP/1.0 is often used by badly-written web scrappers.