使用URL重写出站规则不能更改IIS响应代码吗?

I'm trying to set up an IIS URL Rewrite rule to match 403 responses as a result of someone attempting to browse to a directory when directory browsing is disabled. I want to then redirect them to the usual ASP.NET custom errors page I have defined for 404s.I'm trying to set up an IIS URL Rewrite rule to