I do mostly Windows, and given the option would rather keep doing so, however yo... | Hacker News

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pjmlp on May 10, 2021 | parent | context | favorite | on: eBPF on Windows

I do mostly Windows, and given the option would rather keep doing so, however you just reminded me of the "fun" of writing ISAPI extensions on Windows 2000.

For those unaware of it, IIS used to execute fully on kernel level, so ISAPI extensions were comparable to device drivers, which meant any programming error would just kill the kernel, thus requiring a reboot.

So tracking down memory corruption issues on ISAPI extensions was bound to have a countless amount of reboots during the work day.

voidfunc on May 11, 2021 [–]

Goodness, who decided that was a good idea?!

EvanAnderson on May 11, 2021 | [–]

Thr ISAPI modules don't run in kernel mode, but they're in-process with IIS (back in W2K) and it's a bit fraught.

I assumed that kernel-mode HTTP service was an answer by Microsoft to the "Tux" web server: https://en.m.wikipedia.org/wiki/TUX_web_server

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