A secure and advanced webserverhttp://hiawatha-webserver.org/
Hiawatha is a webserver for Unix and has been build with security in mind. This resulted in a highly secure webserver, in both code and features.
This webserver runs on Linux, BSD, MacOS X and Windows. Although it can run any kind of CGI / FastCGI application, it has been optimized for usage with PHP. Most well known PHP frameworks and CMS applications have been tested with Hiawatha and ran without a problem. Hiawatha supports many web and HTTP features such as CGI/FastCGI, HTTP authentication, virtual host support, request pipelining, keep alive connections, URL rewriting and many more.