Firepass-a tunnel technology tools, it can be avoided through the firewall rules to the data flow Packaging legitimate HTTP POST request. Any TCP/UDP protocol for the agreement to cross through its HTTP proxy server to the HTTP protocol rigorous review. So far, the client and server side only PERL language. Server as a CGI script is running on Web servers. Firepass are the main characteristics of network users who can use several methods to install the server-side scripting. Net users who need computer help any port. When the service was placed in the script-enterprise Web server, the client script from the network and its external communications, Firepass also apply to rebound operations.