Texis ISAPI uses IIS's Internet Server API (ISAPI) to allow Webinator
on IIS to use a Unix-style web address (no .exe
in the path). Many
URL-scanning programs see having .exe
in the address path as an
indication of an attempted exploit, so removing this can be
desirable.
The other advantage is that Texis ISAPI can be installed on an IIS machine different from the machine that Webinator is installed on. Webinator can be installed on a dedicated machine inside your intranet, and your IIS web server can use ISAPI to display its content.
Installation and usage of Texis ISAPI does not in any way prevent usage of the conventional CGI method. Both can be used simultaneously, if desired.