[jira] [Commented] (TS-1558) use_client_addr breaks control over upstream HTTP protocol version

["James Peach (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-1558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13489233#comment-13489233 ] 

James Peach commented on TS-1558:
---------------------------------

a3fa8b6edfa4c5144f0716e8ef34f43b959cce94 Spell authorized consistently

                
> use_client_addr breaks control over upstream HTTP protocol version
> ------------------------------------------------------------------
>
>                 Key: TS-1558
>                 URL: https://issues.apache.org/jira/browse/TS-1558
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Core, HTTP
>    Affects Versions: 3.3.3, 3.2.3
>         Environment: Trunk running on CentOS 6.3, 64bit
>            Reporter: Uri Shachar
>            Priority: Critical
>         Attachments: comment_typos.patch, use_client_version.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> If use_client_addr is turned on, we skip the hostdb lookup so we never know if the upstream has previously responded with an HTTP/1.1 response.
> This means that unless proxy.config.http.send_http11_requests is set to 1 we will always send HTTP/1.0 requests to upstream.
> I'll attach a patch that sets 'upstream server version = client request version' (which seems correct for a transparent interception scenario) -- an alternative implementation might be to modify the hostdb lookup flow to skip the actual DNS resolving and treat the client provided address as a DNS provided one -- Comments?

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