Package com.microsoft.sqlserver.jdbc.dns

Class DNSKerberosLocator

  • public final class DNSKerberosLocator
extends java.lang.Object
    Represents a DNS Kerberos Locator

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static boolean isRealmValid​(java.lang.String realmName)
      Returns whether a realm is valid by retrieving the KDC list in DNS SRV records.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • isRealmValid

        public static boolean isRealmValid​(java.lang.String realmName)
                            throws javax.naming.NamingException
        Returns whether a realm is valid by retrieving the KDC list in DNS SRV records. This will only work if DNS lookup is setup properly or the realms are properly defined in krb5 config file. Otherwise this will fail since the realm cannot be found.
        Parameters:
        realmName - the realm to test
        Returns:
        true if realm is valid, false otherwise
        Throws:
        javax.naming.NamingException - if DNS failed, so realm existence cannot be determined