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Property | Value |
---|---|
Rule ID | CA2262 |
Title | Set MaxResponseHeadersLength properly |
Category | Usage |
Fix is breaking or non-breaking | Non-breaking |
Enabled by default in .NET 9 | As suggestion |
The HttpClientHandler.MaxResponseHeadersLength property is set to a value greater than 128.
The HttpClientHandler.MaxResponseHeadersLength property is measured in kilobytes, not bytes. The default maximum length is 64 KB, which should be large enough for a majority of use cases. If you set the property to a value greater than 128 kilobytes, it might be due to a misunderstanding of the units of this property.
If you intended to set a smaller value, update it to the desired value measured in kilobytes.
HttpClientHandler handler = new()
{
// Violation
MaxResponseHeadersLength = 512
// Fix (it is not possible to specify a limit lower than 1 KB)
MaxResponseHeadersLength = 1
};
Dim handler As New HttpClientHandler With {
' Violation
.MaxResponseHeadersLength = 512
' Fix (it is not possible to specify a limit lower than 1 KB)
.MaxResponseHeadersLength = 1
}
It's safe to suppress this warning if the large value is intended.
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