Introduction - If you have any usage issues, please Google them yourself
Restrictions on the use of ISAPI Filter to achieve IIS multi-threaded access to the program. Main application in the download system, or use IIS to do the streaming media on-demand system, slightly modified to give it authentication. In the user authentication process has already done a direct return to processing. Use the Filter can be easily access the server connections, allowing multiple servers to achieve load balancing (which can be distributed to the request to connect to a fewer server). Access can be effectively controlled, you can customize unlimited users IP, restrictions on the user' s IP. Which can be achieved on a certain IP restriction does not limit the number of, or an IP-block