I'm considering hosting a publicly available web application from my home with the latest ubuntu server, the ruby on rails framework, some kind of SSL, and mongrel. What security issues will I face and what should I do about them? I'd appreciate any help.
closed as off topic by random♦ May 23 '10 at 8:27
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You just have to worry about securing the SSH I guess.
For the web part, you can only count on maintainers that they will fix security holes when there is a need for that. (Watch upgrades, upgrade when you can. That's all I guess.)