Permanent free use The system is completely free of charge, without any cost, and without any functional restrictions. You can also get the latest key word bank preset by the official for free.

Real time filtering of illegal content The system will intercept, replace or record the content output by IIS in real time, so that illegal information will never leave the server and ensure the information security of the server.

Custom filter thesaurus The system allows user-defined filtering keywords (unlimited number), and supports our original plus (+) minus (-) rule, which is more powerful and more accurate.

Super strong black and white list The system can set a blacklist for URL and client IP, or a whitelist for URL and client IP, so that you can manage the server easily.

Ultra low resource consumption The system adopts our unique algorithm, and after deep optimization, the general virtual host server can filter 20000 keywords without any problem.

Record detailed log The system will record corresponding logs for each interception and replacement, including URL address, client IP, association words, etc., for further review.