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by xp84
247 days ago
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How common is it in practice today to not support ranges? I remember back in the early days of broadband (c. 2000) when having a Download Manager was something most nerds endorsed, that most servers then supported partial downloads. Aside from toy projects has anyone encountered a server which didn't allow ranges (unless specifically configured to forbid it)? |
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For static files served by CDNs or an "established" HTTP servers I think support is pretty much a given (though e.g. Python's FastAPI only got support in 2020 [1]), but for anything dynamic, I doubt many devs would go through the trouble and implement support if it wasn't strictly necessary for their usecase.
E.g. the URL may point to a service endpoint that loads the file contents from a database or blob storage instead of the file system. Then the service would have to implement range support itself and translate them to the necessary storage/database calls (if those exist), etc etc. That's some effort you have to put in.
Even for static files, there may be reverse proxies in front that (unintentionally) remove the support again. E.g. [2]
[1] https://github.com/Kludex/starlette/issues/950
[2] https://caddy.community/t/cannot-seek-further-in-videos-usin...