HttpAddUrlToUrlGroup requires a port number greater than 1024 unless the caller is running as an administrator. #1356
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When I call HttpAddUrlToUrlGroup as a member of the built-in Users group account to catch "http://localhost:80/", I get an ERROR_ACCESS_DENIED error, which is not documented. Unlike Linux, under Windows, User group members can listen on 80, 443 or other low port without administrator privileges. I have also ruled out the effect from the Windows firewall, and when I turn off the firewall via firewall.cpl, HttpAddUrlToUrlGroup still returns ERROR_ACCESS_DENIED for the Users group account.
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stevewhims
approved these changes
Nov 19, 2022
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When I call HttpAddUrlToUrlGroup as a member of the built-in Users group account to catch "http://localhost:80/", I get an ERROR_ACCESS_DENIED error, which is not documented. Unlike Linux, under Windows, User group members can listen on 80, 443 or other low port without administrator privileges. I have also ruled out the effect from the Windows firewall, and when I turn off the firewall via firewall.cpl, HttpAddUrlToUrlGroup still returns ERROR_ACCESS_DENIED for the Users group account.