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From "Kim Haase (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5442) Create documentation for restrictive file permissions feature
Date Tue, 27 Mar 2012 21:14:28 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239960#comment-13239960
] 

Kim Haase commented on DERBY-5442:
----------------------------------

It looks as if the default when you don't set the new property derby.storage.useDefaultFilePermissions
is different from the behavior when you set it to either false or true. Am I understanding
this correctly? I'm looking at the last version of the release note for DERBY-5363.

If you don't set it (and you run using Java 7), the Derby Network Server limits access for
Derby-created files and directories to the user account that booted the server.

If you set it to true, the server uses whatever default file permissions the user has set
for their system.

If you set it to false, access is limited not only for files created by the Network Server,
but also for embedded databases and for databases managed by servers which were started programmatically
inside application code via the Derby API.

So once you have set the property one way or the other, the way to return to the default behavior
is to restart the server without setting the property.

I'm looking into where this should be documented, other than the property documentation in
the Reference Manual:

Developer's Guide: the section "Configuring security in a client/server environment", which
talks about operating system permissions for files. There should at least be a mention of
the feature.

Admin Guide: Maybe a new topic under "Derby Network Server advanced topics"? The feature is
related to Network Server security. This new topic might be cross-referenced from "Starting
the Network Server".

If you have any other locations in mind, please let me know. I may find some more myself.

                
> Create documentation for restrictive file permissions feature
> -------------------------------------------------------------
>
>                 Key: DERBY-5442
>                 URL: https://issues.apache.org/jira/browse/DERBY-5442
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Documentation
>            Reporter: Dag H. Wanvik
>            Assignee: Kim Haase
>             Fix For: 10.9.0.0
>
>


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