[jira] [Commented] (TS-1541) forward proxy should be able to be configured to prefer IPv6 over IPv4 for outbond connections

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13612829#comment-13612829 ] 

Leif Hedstrom commented on TS-1541:
-----------------------------------

I thought Alan did something for this? I'm assigning this to amc for now, Alan, if this is fixed, please close this (change fix version etc. appropriately), if it's not fixed, and not planned to work, feel free to move it out to v3.5.0 or "sometime" and remove the assignee.
                
> forward proxy should be able to be configured to prefer IPv6 over IPv4 for outbond connections
> ----------------------------------------------------------------------------------------------
>
>                 Key: TS-1541
>                 URL: https://issues.apache.org/jira/browse/TS-1541
>             Project: Traffic Server
>          Issue Type: Bug
>    Affects Versions: 3.2.0
>         Environment: Debian Sid amd64, with ATS/3.2.0
>            Reporter: Aron Xu
>             Fix For: 3.3.4
>
>
> When the forward proxy cache server is connected to a dual stack network which both IPv4 and IPv6 are available, it should be able to be configured to prefer IPv6 over IPv4 for outbond connections, as it's now a common behavior of various software including all mainstream web browsers. 
> I didn't check the code but now there seems to be no such a switch to tweak the preferred protocol, and it seems it prefers IPv4 over IPv6 (or maybe it's because DNS resolving is faster for IPv4?).

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