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https://issues.apache.org/jira/browse/DERBY-2811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12505325
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Kathey Marsden commented on DERBY-2811:
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The IPV6 connection URL issue is logged as DERBY-526.  The clash between the 
':' url separator and the  ':'s in the ip address is the issue.

> Specifying -h 0.0.0.0 with default security manager bars clients from 
> connecting from any host
> ----------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2811
>                 URL: https://issues.apache.org/jira/browse/DERBY-2811
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Server, Security
>    Affects Versions: 10.3.0.0
>            Reporter: Dag H. Wanvik
>            Assignee: Rick Hillegas
>         Attachments: derby-2811-01.diff, derby-2811-02.diff, 
> derby-2811-03.diff, derby-2811-04.diff
>
>
> The default policy file installed has this stanza:
>   :
>   permission java.net.SocketPermission "${derby.drda.host}:*", "accept"; 
>   :
> Normally, specifying -h 0.0.0.0 to NetworkServerControl lets clients connect
> from any host, but with the default policy file installed
> connecting fails even from localhost.
> I think this is because SocketPermission only recognizes "*" as a catch-all.

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