Andrew Kyle Purtell updated HBASE-23161:
    Labels: beginner beginners  (was: )

> Invalid hostname tests can fail if the ISP hijacks NXDOMAIN
> -----------------------------------------------------------
>                 Key: HBASE-23161
>                 URL: https://issues.apache.org/jira/browse/HBASE-23161
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Andrew Kyle Purtell
>            Priority: Trivial
>              Labels: beginner, beginners
> Some residential internet service providers use the opportunity of DNS record 
> not found cases and instead of returning NXDOMAIN responses per the standard 
> they return A records that redirect the user to their own portal or search 
> page. This breaks tests like 
> TestConnectionImplementation.testGetClientBadHostname and 
> TestRegionServerHostname.testInvalidRegionServerHostnameAbortsServer. We 
> should detect this behavior and skip these cases.

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