大家好。
任何人都可以请帮助我下面的问题。 我的networkingconfiguration了Cisco Asa 5520。
我无法从本地内部networkingPC ping到我的DMZ接口。 所以从思科ASA防火墙ping DMZ的唯一方法,我可以品脱到所有3接口,内部,外部和DMZ ,,,,
但是内部networking没有PC可以访问DMZ。
可以请任何人帮忙?
我提前感谢你们
贝娄是我的思科ASA 5520防火墙秀跑步;
ASA-FW# sh run : Saved : ASA Version 7.0(8) ! hostname ASA-FW enable password encrypted passwd encrypted names dns-guard ! interface GigabitEthernet0/0 description "Link-To-GW-Router" nameif outside security-level 0 ip address 41.223.156.109 255.255.255.248 ! interface GigabitEthernet0/1 description "Link-To-Local-LAN" nameif inside security-level 100 ip address 10.1.4.1 255.255.252.0 ! interface GigabitEthernet0/2 description "Link-To-DMZ" nameif dmz security-level 50 ip address 172.16.16.1 255.255.255.0 ! interface GigabitEthernet0/3 shutdown no nameif no security-level no ip address ! interface Management0/0 description "Local-Management-Interface" no nameif no security-level ip address 192.168.192.1 255.255.255.0 ! ftp mode passive access-list OUT-TO-DMZ extended permit tcp any host 41.223.156.107 eq smtp access-list OUT-TO-DMZ extended permit tcp any host 41.223.156.106 eq www access-list OUT-TO-DMZ extended permit icmp any any log access-list OUT-TO-DMZ extended deny ip any any access-list inside extended permit tcp any any eq pop3 access-list inside extended permit tcp any any eq smtp access-list inside extended permit tcp any any eq ssh access-list inside extended permit tcp any any eq telnet access-list inside extended permit tcp any any eq https access-list inside extended permit udp any any eq domain access-list inside extended permit tcp any any eq domain access-list inside extended permit tcp any any eq www access-list inside extended permit ip any any access-list inside extended permit icmp any any access-list dmz extended permit ip any any access-list dmz extended permit icmp any any access-list cap extended permit ip 10.1.4.0 255.255.252.0 172.16.16.0 255.255.25 5.0 access-list cap extended permit ip 172.16.16.0 255.255.255.0 10.1.4.0 255.255.25 2.0 no pager logging enable logging buffer-size 5000 logging monitor warnings logging trap warnings mtu outside 1500 mtu inside 1500 mtu dmz 1500 no failover asdm image disk0:/asdm-508.bin no asdm history enable arp timeout 14400 global (outside) 1 interface nat (inside) 1 0.0.0.0 0.0.0.0 static (dmz,outside) tcp 41.223.156.106 www 172.16.16.80 www netmask 255.255.255 .255 static (dmz,outside) tcp 41.223.156.107 smtp 172.16.16.25 smtp netmask 255.255.2 55.255 static (inside,dmz) 10.1.0.0 10.1.16.0 netmask 255.255.252.0 access-group OUT-TO-DMZ in interface outside access-group inside in interface inside access-group dmz in interface dmz route outside 0.0.0.0 0.0.0.0 41.223.156.108 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 timeout mgcp-pat 0:05:00 sip 0:30:00 sip_media 0:02:00 timeout uauth 0:05:00 absolute http server enable http 10.1.4.0 255.255.252.0 inside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet timeout 5 ssh timeout 5 console timeout 0 management-access inside ! ! match default-inspection-traffic ! ! policy-map global_policy class inspection_default inspect dns maximum-length 512 inspect ftp inspect h323 h225 inspect h323 ras inspect netbios inspect rsh inspect rtsp inspect skinny inspect esmtp inspect sqlnet inspect sunrpc inspect tftp inspect sip inspect xdmcp ! service-policy global_policy global Cryptochecksum: : end ASA-FW#
请帮忙。
大丹泽尔
编辑:下面的答案可能对运行ASA或PIX操作系统7.0之前的版本的人有用,但可能对海报没有用处。
在版本7.0及更高版本中,我将在下面描述的nat-controlfunction被禁用(请参阅http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008046f31a.shtml )。
你没有nat (dmz) ... DMZ nat (dmz) ... DMZnetworking。 默认情况下,如果ASA不通过nat (即使它是一个nat (interface) 0以防止发生NAT nat (interface) 0 ,也不会在networking之间传递stream量。
添加一些命令(假设你想从DMZ到Internet的出站stream量是NAT的,并且你想从内部到DMZ的stream量不被NAT):
access-list inside_nat0_outbound 10.1.4.0 255.255.252.0 172.16.16.0 255.255.255.0 nat (inside) 0 access-list inside_nat0_outbound nat (dmz) 1 0.0.0.0 0.0.0.0
这会导致从DMZ出站stream量被NAT,并绕过NAT从LAN子网到DMZ子网的stream量。