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https://issues.apache.org/jira/browse/TS-4661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378545#comment-15378545
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James Peach commented on TS-4661:
---------------------------------
Yep.
> remap tunnel support is broken
> ------------------------------
>
> Key: TS-4661
> URL: https://issues.apache.org/jira/browse/TS-4661
> Project: Traffic Server
> Issue Type: Bug
> Components: Remap API
> Reporter: James Peach
>
> {{remap.config}} claims to support {{tunnel://}} URLs, but this seems to be
> totally broken. At least I can't get it to work.
> If I start with a {{remap.config}} like this:
> {noformat}
> map tunnel://www.example.com/ tunnel://foo.com/
> {noformat}
> What happens is that inside {{remap_parse_config_bti}} it does a DNS
> resolution and seems to try to ass mappings for each resolved address.
> Although this seems like a bad idea, it doesn't work because {{getaddrinfo}}
> returns entries for {{IPPROTO_UDP}} and {{IPPROTO_TCP}} and the loading code
> fails when it tries to add duplicate mappings (it adds one for each address
> result and fails to check the protocol field).
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