I think it would be nice if GF implemented classic web server facilities better so as to make GF an easier replacement for a web server. So that folks don't have to choose between, or use both, GF and Apache for most common applications.
Notably things like url rewriting, simple proxy duties, CGI/FastCGI so that folks could easily add PHP and what not behind GF. All managed via the Console, of course.
Some of this is possible today, but none of it is readily exposed by the console.
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