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From "David Medinets (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-241) Visibility labels should blacklist non-ASCII characters instead of whitelisting select ASCII characters
Date Tue, 03 Jan 2012 18:20:39 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13178891#comment-13178891
] 

David Medinets commented on ACCUMULO-241:
-----------------------------------------

Let me provide a potential use case. What if I want to use a MAC address as a label? One example
value would be "00:34:C8:3B:32:68". I don't know if this makes any sense. Just trying to start
a conversation.
                
> Visibility labels should blacklist non-ASCII characters instead of whitelisting select
ASCII characters
> -------------------------------------------------------------------------------------------------------
>
>                 Key: ACCUMULO-241
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-241
>             Project: Accumulo
>          Issue Type: Improvement
>    Affects Versions: 1.3.5
>            Reporter: John Vines
>              Labels: visibility
>             Fix For: 1.3.6
>
>
> We currently whitelist our visibility labels to only allow alphanumerics and a few select
delimiting characters. While we strive for human-readable labels, we should instead utilize
a blacklist approach where we disallow parentheses, ampersands, pipes, and any non-ASCII characters.
This will provide users with more flexibility in labeling, while still sticking to human readability.

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