Hello!

On Fri, Jan 07, 2011 at 03:43:31PM -0600, Team AMP wrote:

> Is there a way to block a host if it makes too many requests per second?

Limit req module allows to delay/reject requests which are above
certain threshold, see here:

http://wiki.nginx.org/HttpLimitReqModule

There are not way to block hosts permanently after exceeding
threshold. Usual aproach is to use fail2ban or something like to
block them on your firewall if it keeps exceeding limit_req
thresholds (e.g. based on limit_req erros in error_log.

Maxim Dounin

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