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https://issues.apache.org/jira/browse/TS-4940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15596558#comment-15596558
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Leif Hedstrom commented on TS-4940:
-----------------------------------
I looked at this some more, and it wouldn't be trivial to make it handle the
old variation (without the quotes). @bcall wdyt? The issue comes from the
choice of using %< where < has special meaning in the syntax :-/. So we'd have
to keep track of using being inside %<, and perhaps also %{.
> header_rewrite in 6.2.0 doesn't expand variables properly
> ---------------------------------------------------------
>
> Key: TS-4940
> URL: https://issues.apache.org/jira/browse/TS-4940
> Project: Traffic Server
> Issue Type: Bug
> Components: Plugins
> Reporter: Phillip Moore
> Assignee: Jon Sime
> Fix For: Docs
>
>
> We have a header_rewrite.config configured to add some headers for original
> IP address of requestor.
> {code}
> cond %{SEND_REQUEST_HDR_HOOK}
> rm-header X-Box-Original-Ip
> add-header X-Box-Original-Ip %<chi>
> {code}
> In 5.1.2 this worked fine. With 6.2.0 the expansion is not happening properly
> and for the header we get a literal %.
> 6.2.0: HTTP_X_BOX_ORIGINAL_IP=%
> 5.1.2: HTTP_X_BOX_ORIGINAL_IP=10.3.18.50
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