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https://issues.apache.org/jira/browse/HTTPCLIENT-655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-655.
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Resolution: Fixed
Fix Version/s: (was: 4.0 Alpha 2)
4.0 Alpha 1
Fixed in SVN trunk. The User-Agent string now conforms to the standard defined
in RFC 2616 and looks like "Apache-HttpClient/" +
VersionInfo.getReleaseVersion() + " (java 1.4)"
Oleg
> User-Agent string violates RFC
> ------------------------------
>
> Key: HTTPCLIENT-655
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-655
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 3.1 RC1
> Reporter: Ortwin Glück
> Priority: Minor
> Fix For: 4.0 Alpha 1
>
>
> Our User-Agent says "Jakarta Commons-HttpClient/3.1-rc1". But space is a
> reserved character to separate individual *products* and comments according
> to RFC 2616, section 14.43. Jakarta is not a product. At the same time we may
> want to drop the Jakarta name altogether.
> We should change this to something more standard like:
> "Apache-HttpClient/3.1-rc1 ("+ System.getProperty("os.name") +";"+
> System.getProperty("os.arch") +") "+
> "Java/"+ System.getProperty("java.vm.version") +" ("+
> System.getProperty("java.vm.vendor") +")"
> which renders:
> "Apache-HttpClient/3.1-rc1 (Windows XP 5.1;x86) Java/1.5.0_08 (Sun
> Microsystems Inc.)"
> Sun's internal Http client uses something like "Java/1.5.0_08".
> I am completely ignoring the fact that real-world user agents use almost
> arbitrary strings.
> Some fine examples of misbehaviour from my private logs:
> "Jakmpqes dihurxf wfyiupsc" -- apparently somebody has to hide something...
> "Missigua Locator 1.9"
> "Poodle predictor 1.0"
> "shelob v1.0"
> "ISC Systems iRc Search 2.1"
> "ping.blogug.ch aggregator 1.0"
> "http://www.uni-koblenz.de/~flocke/robot-info.txt"; -- ...sigh
> I am very tempted to write a User-Agent string validator that prevents misuse
> of this field in HttpClient.
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