配置清理，增加vpn信息清理

dns欺骗增加一个初始化无策略-默认组-欺骗ip配置(存储+下发)

src/main/java/com/nis/web/dao/configuration/DnsIpCfgDao.xml

@@ -186,6 +186,22 @@
     	from dns_ip_cfg r
     	where r.cfg_id=#{cfgId}
     </select>
+    <select id="findDnsIpCfg" resultMap="dnsIpCfgMap">
+    	select 
+    		<include refid="columns"></include>
+    	from dns_ip_cfg r
+    	<where>
+    		<if test="isAudit != null">
+	    		AND r.is_audit=#{isAudit,jdbcType=INTEGER}
+	    	</if>
+    		<if test="isValid != null">
+	    		AND r.is_valid=#{isValid,jdbcType=INTEGER}
+	    	</if>
+    		<if test="dnsStrategyId != null">
+	    		AND r.dns_strategy_id=#{dnsStrategyId,jdbcType=INTEGER}
+	    	</if>
+    	</where>
+    </select>
     
   <insert id="insert" parameterType="com.nis.domain.configuration.DnsIpCfg" >
     insert into dns_ip_cfg (