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Category: FreeBSD

HTTP DoS Protection with nginx

HTTP DoS Protection with Nginx through ngx_http_limit_conn_module and ngx_http_limit_req_module modules. The ngx_http_limit_conn_module module is used to limit the number of connections per the defined key, in particular, the number of connections from a single IP address. Not all connections are counted. A connection is counted only if it has a request processed by the server…

Webserver benchmark with wrk

What is wrk ? wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It combines a multithreaded design with scalable event notification systems such as epoll and kqueue. An optional LuaJIT script can perform HTTP request generation, response processing, and custom reporting. You can get…

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