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Ok now that I have generously coated myself in flame-war retardant.

I have an existing webapp/server written in c++/qt. Having selected OpenBSD as the hosting OS for security reasons.

If I use the BCHS stacks httpd must I use FastCGI to generate dynamic content, as the webapp already understands http I find FastCGI a Pointless overhead ?

If I replace httpd with my webapp any suggestion how it should be sandboxed ?

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    You're going to write your own web server? – swdev Dec 28 '16 at 1:29
  • I wish, it is just webapp on top of a QtWebApp a server framework. but the app does server static and dynamic content so it could replace httpd. – ArchNemSyS Dec 28 '16 at 12:26
  • that article you cite is realllly stretching it - sure, implementing fastcgi from the ground up isn't going to be easy, but using the existing libraries is simple – pete Jan 1 '17 at 16:25
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Running C++ CGI application in Apache is fairly straightforward. And it actually convenient if you entire code base is C++ and you just want a basic web user interface. At work we did a internal portal with this technique. Never did FastCGI since only a handful of people used the service. But I think you have taken your design a step further which few have ventured.

Apache (or probably any httpd) will let you run specific URL as a specific user which can sandbox the process. That would be my recommendation right there. But if you decide you want to use QtWebApp a server framework then the framework needs to have that ability (my guess is it doesn't) -or- inside your WebApp you need spawn a process as another user and hope it doesn't cause problems in your framework.

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