[jira] [Created] (CXF-6871) Adjust default User-Agent header format to better comply with HTTP specification

["Colin Hurley (JIRA)" <ji...@apache.org>]

Colin Hurley created CXF-6871:
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             Summary: Adjust default User-Agent header format to better comply with HTTP specification
                 Key: CXF-6871
                 URL: https://issues.apache.org/jira/browse/CXF-6871
             Project: CXF
          Issue Type: Improvement
          Components: Transports
    Affects Versions: 3.1.6, 2.7.11
            Reporter: Colin Hurley
            Priority: Trivial


The default value CXF sends for the User-Agent HTTP header is formatted as E.g. {{Apache CXF 3.1.6}}.

According to the HTTP specification, multiple products in the User-Name header are delimited by whitespace, and a product can optionally indicate its version by separating the product name and product version with a slash. ??RFC-1945, Sections 10.15, 3.7; RFC-2616, Sections 14.43, 3.8??

Based on this information, CXF's default User-Agent value is indicating three products with unspecified versions: {{Apache}}, {{CXF}}, and {{3.1.6}}, rather than the intended Product Name = {{Apache CXF}} and Product Version = {{3.1.6}}.

I suggest altering the formatting so the default User-Agent for CXF becomes E.g. {{Apache-CXF/3.1.6}}.  This will convey the intended product information so it semantically complies with RFC-1945 and RFC-2616.



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