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I've got an ASP.NET Core 3 application, which is hosted under a sub-domain.

If I set HstsOptions.IncludeSubDomains to true, will that make changes to other domains/apps hosted to the main domain, or it will be sub-domains on even lower level (for example if I'm yo.hello.example, affected sub-domains will be yo.bo.hello.example? Domains like boom.hello.example won't be affected?)

Patrick Mevzek
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SpiritBob
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1 Answers1

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If set up correctly and as you describe it should only affect lower sub-domains and not sibling sub-domains nor parent domains.

Barry Pollard
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