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https://issues.apache.org/jira/browse/KNOX-897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905435#comment-15905435
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Sandeep More commented on KNOX-897:
-----------------------------------

Interesting ! I did not turn the flag off, also I am looking was looking at the 
trace logs..
Sorry about that.

Going back to the question about what happens when:

* User connects directly to Knox specifying no X-Forwarded-* headers at all.

If no X-Forwarded-* header is found, the patch get's the value from the HOST 
header which would have the right port (8443) - you can look at the header 
values posted above. 

> X-Forwarded-Port is incorrectly determined
> ------------------------------------------
>
>                 Key: KNOX-897
>                 URL: https://issues.apache.org/jira/browse/KNOX-897
>             Project: Apache Knox
>          Issue Type: Bug
>    Affects Versions: 0.11.0
>            Reporter: Attila Kanto
>             Fix For: 0.12.0
>
>         Attachments: gateway.log, knox-897.patch, Screen Shot 2017-03-01 at 
> 14.44.03.png
>
>
> If the client fills out the following headers:
> {code}
> Header[X-Forwarded-Host]=local.somehost.com
> Header[X-Forwarded-Proto]=https
> {code}
> And does not specify the port number in X-Forwarded-Host since it uses the 
> the default port, then Knox automatically populates X-Forwarded-Port header 
> field with its own local port e.g. 8443 instead of the default 443 which 
> results in page not founds (see screenshot and log).



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