增加DNS阻断无策略检验.

src/main/java/com/nis/web/service/configuration/DnsIpCfgService.java

@@ -54,6 +54,10 @@ public class DnsIpCfgService extends BaseService{
 	public DnsIpCfg getDnsIpCfg(Long cfgId) {
 		return dnsIpCfgDao.getDnsIpCfg(cfgId);
 	}
+	public List<DnsIpCfg> getValidCfgInfo(DnsIpCfg cfg) {
+		return dnsIpCfgDao.getValidCfgInfo(cfg);
+	}
+
 	@Transactional(readOnly=false,rollbackFor=RuntimeException.class)
 	public void saveOrUpdate(DnsIpCfg entity){
 		Date createTime=new Date();