Introduction - If you have any usage issues, please Google them yourself
use ISAPI Filter achieve restrictions IIS multithreading visit procedures. The main application download system, or do IIS use of streaming media on-demand system, a little change can make it authenticated. The procedures for user authentication has done a deal with the direct return. The use of the Filter can easily access server connections, which can be achieved over the server load balancing (request can be sent to a less connected server). The visit can be an effective control, can define unlimited user IP, the IP user restrictions. Thus it is possible for a limited number of IP no restrictions, or to a particular IP block.