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https://issues.apache.org/jira/browse/TS-2307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874813#comment-13874813
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Thomas Berger commented on TS-2307:
-----------------------------------
According to [RFC2515|http://www.ietf.org/rfc/rfc2616.txt], Section 3.11, the
ETAG need's quotes. So i would suggest this is a bug of the origin server.
> Range request with If-Range does not work
> -----------------------------------------
>
> Key: TS-2307
> URL: https://issues.apache.org/jira/browse/TS-2307
> Project: Traffic Server
> Issue Type: Bug
> Components: HTTP
> Affects Versions: 3.2.5, 4.0.1, 4.0.2
> Reporter: Jungwoo Lee
> Labels: A
> Fix For: 4.2.0
>
>
> 1. Precondition
> - Upload file such as video or music file on Origin server
> - On Chrome, access to the content file
> - Repeat followings
> -- Delete the cache of Chrome
> -- Refresh( press F5 )
> 2. Result
> - Chrome does not play the content.
> 3. Cause
> - When Chrome requests including Range and If-Range headers, the value of
> If-Range header can be set to the one of ETAG and Last Modified Date. ATS
> core has unreasonable condition to check if the value of If-Range is ETAG and
> it makes a bug that the value of If-Range will be compared with Last Modified
> Date event if ETAG is set to the value of If-Range.
> As a result, response header does not include Content-Range when the value of
> If-Range is ETAG. Sometimes this makes client abort.
> - The condition to check ETAG is following(
> HttpTransactCache::match_response_to_request_conditionals(HTTPHdr * request,
> HTTPHdr * response) function )
> -- if (!if_value || if_value[0] == '"' || (comma_sep_list_len > 1 &&
> if_value[1] == '/'))
> --- when ETAG doesn't start and end with " this condition will be failed.
> -- The if_value points the string of value of If-Range
> 4. Expected Behaviour
> - Video and music file will be played in all the time on all case.
> -- When the value of If-Range is ETAG and is matched with ETAG of header of
> cached content , response should include the header related with range
> request.
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