Package com.microsoft.sqlserver.jdbc.dns

Class DNSKerberosLocator

java.lang.Object

com.microsoft.sqlserver.jdbc.dns.DNSKerberosLocator

public final class DNSKerberosLocator
extends Object

Represents a DNS Kerberos Locator

Method Summary

Modifier and Type	Method	Description
static boolean	isRealmValid(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 Details

isRealmValid

public static boolean isRealmValid(String realmName)
                            throws 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:

NamingException - if DNS failed, so realm existence cannot be determined