Bolke de Bruin created HADOOP-16023:
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Summary: Support system /etc/krb5.conf for auth_to_local rules
Key: HADOOP-16023
URL: https://issues.apache.org/jira/browse/HADOOP-16023
Project: Hadoop Common
Issue Type: Improvement
Reporter: Bolke de Bruin
Hadoop has long maintained its own configuration for Kerberos' auth_to_local
rules. To the user this is counter intuitive and increases the complexity of
maintaining a secure system as the normal way of configuring these
auth_to_local rules is done in the site wide krb5.conf usually /etc/krb5.conf.
With HADOOP-15996 there is now support for configuring how Hadoop should
evaluate auth_to_local rules. A "system" mechanism should be added.
It should be investigated how to properly parse krb5.conf. JDK seems to be
lacking as it is unable to obtain auth_to_local rules due to a bug in its
parser. Apache Kerby has an implementation that could be used. A native (C)
version is also a possibility.
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