[jira] [Commented] (TS-3476) Add a log tag for application protocol

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-3476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14619561#comment-14619561 ] 

ASF GitHub Bot commented on TS-3476:
------------------------------------

GitHub user ericcarlschwartz opened a pull request:

    https://github.com/apache/trafficserver/pull/244

    [TS-3476] Add a log tag for application protocol

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/yahoo/trafficserver TS-3476

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/trafficserver/pull/244.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #244
    
----
commit 8a4dbe864677379abb9e726acb26d9fb242c1aa5
Author: ericcarlschwartz <es...@gmail.com>
Date:   2015-07-06T22:14:56Z

    [TS-3476] Add a log tag for application protocol

----


> Add a log tag for application protocol
> --------------------------------------
>
>                 Key: TS-3476
>                 URL: https://issues.apache.org/jira/browse/TS-3476
>             Project: Traffic Server
>          Issue Type: New Feature
>          Components: Logging, SSL
>            Reporter: Leif Hedstrom
>            Assignee: Eric Schwartz
>             Fix For: 6.1.0
>
>
> It seems crucial to be able to log which protocol handler was negotiated with ALPN (and perhaps NPN as long as we support it). This could simple be the string that was negotiated by the client/server in the TLS handshake. For example, with HTTP/2, it would be "h2" (or "h2-14" with some browsers).
> A suggested log tag name would be %<alpn> which seems clear enough to me and easy to remember :).



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