The global.asa file contains declarations of the objects、variables and methods that can be accessed by each pages of the ASP application. Attackers can inlude global.asa file in http request and get the information, achieving local file inclusion attacks, resulting in information leak.This rule requires checking global.asa string in http request to prevent such attacks. This rule supports to defend the A3: Injection of OWASP Top 10 - 2021. Other reference:None