The Teiid JDBC socket does not encrypt client login messages by default. The documentation and specification states that the socket will be encrypted by default.
Acknowledgements: This issue was discovered by Steven Hawkins of Red Hat.
This issue has been addressed in following products: JBoss Enterprise Data Services Platform 5.3.0 Via RHSA-2012:1301 https://rhn.redhat.com/errata/RHSA-2012-1301.html