ASP.NET Core 3, IIS and empty HTTP headers

added by DotNetKicks
7/23/2020 8:49:16 PM

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HTTP headers are key/value pairs sent at the beginning of a request or response. According to the grammar in RFC 7230, a field could have an empty value. In practice, it probably doesn't make much sense: semantically, a header with an empty value or the absence of that header are equivalent.


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