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https://issues.apache.org/jira/browse/HBASE-14265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Heng Chen updated HBASE-14265:
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Attachment: HBASE-14265_v2.patch
{quote}
Have you tried this patch with security features active? Does this prevent the
creation of the ACL and labels tables? If so this can be fixed by conditionally
allowing the create if the effective user is a superuser, see
Superusers#isSuperUser
{quote}
I see... You are right. I update patch as your suggestions! Thanks for your
review! [~apurtell]
> we should forbid creating table using 'hbase' namespace except by superuser
> ---------------------------------------------------------------------------
>
> Key: HBASE-14265
> URL: https://issues.apache.org/jira/browse/HBASE-14265
> Project: HBase
> Issue Type: Bug
> Reporter: Heng Chen
> Attachments: HBASE-14265.patch, HBASE-14265_v2.patch
>
>
> Now, there is no limit for users who can create table under 'hbase'
> NameSpace. I think it has some risk.
> Because we use {{TableName.systemTable}} to decide whether this table is
> System or not.
> But as code, {{TableName.systemTable}} will be true, if NS equals "hbase'
> {code}
> if (Bytes.equals(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME, namespace)) {
> this.namespace = NamespaceDescriptor.SYSTEM_NAMESPACE_NAME;
> this.namespaceAsString =
> NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR;
> this.systemTable = true;
> }
> {code}
>
> And we treat system table and normal table differently.
> For example, https://issues.apache.org/jira/browse/HBASE-14257 will flush
> fast if table belong to system table.
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