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CRLF in HTTP/2 header value

Çağlar Arlı      -    13 Views

CRLF in HTTP/2 header value

I am attempting to inject a carriage-return + newline in a HTTP request header value. My understanding is that this is possible with HTTP/2 and HTTP/3. However, when I send a request with Burp I get this error:

RST_STREAM received with error code: 0x1 (Protocol error detected)

Does HTTP/2 support newlines in header values? Why do I get this error? Does Apache2 or PHP validate the header contents?