Config of nginx to filter http flood

Question

A have a http flood on my server, not so much queries, but anyway. Queries in log

95.55.237.3 - - [06/Sep/2012:14:38:23 +0400] \"GET / HTTP/1.0\" 200

Answer 1

You can also block specific IP, as additional measure.

http{
  deny 127.45.4.1;
  ...
}

Or put blocked IPs in separate file

http{
  include blockedips.conf
  ...
}

blockedips.conf

deny 1.12.4.5;