public static void setKerberosKdc(final String kerberosKdc) {
            if (StringUtils.isNotBlank(kerberosKdc)) {
                LOGGER.debug("kerberosKdc is set to : [{}]", kerberosKdc);
                System.setProperty(JcifsConfigConstants.SYS_PROP_KERBEROS_KDC, kerberosKdc);
            }
        }
Sets the kerberos kdc.

@param kerberosKdc the new kerberos kdc
support/cas-server-support-spnego/src/main/java/org/apereo/cas/support/spnego/authentication/handler/support/JcifsConfig.java