Fix: reject '@' in HTTP header field names per RFC 9110 #12838
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RFC 9110 defines HTTP header field names as tokens, which must not contain '@'. Currently '@' is accepted because of MIME separator handling. This patch ensures ParseRules::is_http_field_name rejects '@', aligning behavior with RFC 9110. This prevents invalid header names from being accepted.
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RFC 9110 defines HTTP header field names as tokens, which must not contain '@'.
Currently '@' is accepted because of MIME separator handling.
This patch ensures ParseRules::is_http_field_name rejects '@', aligning behavior with RFC 9110.
This prevents invalid header names from being accepted.