public void setJcifsNetbiosCachePolicy(final long policy) {
            if (policy > 0) {
                LOGGER.debug("jcifsNetbiosCachePolicy is set to [{}]", policy);
                properties.setProperty(JcifsConfigConstants.JCIFS_PROP_NETBIOS_CACHE_POLICY, String.valueOf(policy));
            }
        }
Sets jcifs netbios cache policy.

@param policy the policy
support/cas-server-support-spnego/src/main/java/org/apereo/cas/support/spnego/authentication/handler/support/JcifsConfig.java