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https://issues.apache.org/jira/browse/ARTEMIS-4712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clebert Suconic closed ARTEMIS-4712.
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> Remove LDAP connection pooling
> ------------------------------
>
> Key: ARTEMIS-4712
> URL: https://issues.apache.org/jira/browse/ARTEMIS-4712
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Justin Bertram
> Assignee: Justin Bertram
> Priority: Major
> Fix For: 2.34.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The {{LDAPLoginModule}} supports connection pooling, but there have been
> reports of weird behavior with pooling vs. without. For example, with pooling
> once a login failure occurs subsequent login attempts also fail - even if
> credentials are valid. However, without pooling this behavior is never seen.
> Upon further investigation the [Oracle
> documentation|https://docs.oracle.com/javase/jndi/tutorial/ldap/connect/pool.html]
> says this:
> bq. Pooled connections are intended to be reused. Therefore, if you plan to
> perform operations on a Context instance that might alter the underlying
> connection's state, then you should not use connection pooling for that
> Context instance. For example, if you plan to invoke the Start TLS extended
> operation on a Context instance, or plan to change security-related
> properties (such as "java.naming.security.principal" or
> "java.naming.security.protocol") after the initial context has been created,
> you should not use connection pooling for that Context instance because the
> LDAP provider does not track any such state changes. If you use connection
> pooling in such situations, you might be compromising the security of your
> application.
> The {{LDAPLoginModule}} does, in fact, modify the
> {{java.naming.security.principal}} of the {{Context}} (i.e. in the
> {{bindUser}} method). Although the {{Context}} is immediately reset to the
> original values (ostensibly restoring normal pool behavior) the pooling
> functionality should be removed in an abundance of caution.
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