终端主机接入控制功能不生效,以下是在SACG上的查看信息。displayright-managerrole-idruleAdvancedACL30995rulesnotbingDingwithvpn-instanceAd'sstepis1Rule1000permitip(1280timesmatched)Rule1001permitipdestination172.18.11.2210(581timesmatched)Rule1002permitipdestination172.18.11.2230(77timesmatched)Rule1003permitipdestination172.19.0.00.0.255.255(355timesmatched)Rule1004denyip(507759timesmatchEd)以下哪个说法是正确的()。
A.172.18.11.221是隔离域的服务器
B.开启了逃生通道
C.172.18.11.223是后域服务器
D.终端主机流量被默认的ACL阻断了