public void setJcifsServicePrincipal(final String jcifsServicePrincipal) {
            if (StringUtils.isNotBlank(jcifsServicePrincipal)) {
                LOGGER.debug("jcifsServicePrincipal is set to [{}]", jcifsServicePrincipal);
                properties.setProperty(JcifsConfigConstants.JCIFS_PROP_SERVICE_PRINCIPAL, jcifsServicePrincipal);
            }
        }
Sets the jcifs service principal.

@param jcifsServicePrincipal the new jcifs service principal
support/cas-server-support-spnego/src/main/java/org/apereo/cas/support/spnego/authentication/handler/support/JcifsConfig.java