block dos attack nginx behind cloudflare and loadbalancer
defan at nginx.com
Wed Mar 28 09:42:58 UTC 2012
On Mar 28, 2012, at 13:15 , ilmetu wrote:
> hi, this is my configuration :
> # Create a global request accounting pool to prevent DOS
> limit_zone staging $binary_remote_addr 5m;
> limit_conn staging 5;
You're trying to limit a number of connections using limit_conn module.
The thing is that a lot of requests may proceed through a single connection.
If you want to set a maximum allowed requests rate, you should use
limit_req module instead:
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