ASA Security Levels
The ASA security levels designate whether an interface is inside (trusted) or outside (untrusted) relative to another interface. An interface is considered inside in relation to another interface if its security level is higher than that of the other interface, and is considered outside in relation to another interface if its security level is lower than that of the other interface. The primary rule for security levels is that an interface with a higher security level can access an interface...
Four Interface Configuration
Pixfirewall(config) nameif ethernet0 outside sec0 pixfirewall(config) nameif ethernet1 inside sec100 pixfirewall(config) nameif ethernet2 dmz sec50 pixfirewall(config) nameif ethernet3 partnernet sec20 pixfirewall(config) ip address outside 192.168.0.2 pixfirewall(config) ip address inside 10.0.0.1 pixfirewall(config) ip address dmz 172.16.0.1 255.255.255.0 pixfirewall(config) ip address partnernet 172.26.26.1 pixfirewall(config) nat (inside) 1 10.0.0.0 255.255.255.0 pixfirewall(config) global...
Step 1Configure Interesting Traffic
Access-list access-list-name deny permit ip source source-netmask destination destination-netmask Access list selects IP traffic by address, network, or subnet 2000, Cisco Systems, Inc. WWW.CiSCO.COm CSPFA 1.01 7-22 Step 1 Configure interesting traffic with crypto access lists pixfirewall(config) access-list access-list-name deny permit) protocol source source-netmask destination destination-netmask permit causes all IP traffic that matches the specified conditions to be protected by crypto,...
Inspection Rules and ACLs Applied to Router Interfaces
This section discusses the application of inspection rules and ACLs to router interfaces. Apply an Inspection Rule to an Interface ip inspect name inspection-name in out Applies named inspection rule to an interface Router(config-if) ip inspect FWRULE in Applies inspection rule to interface e0 0 in inward direction 2000, Cisco Systems, Inc. WWW.ClSCO.CO To apply a set of inspection rules to an interface, use the ip inspect interface configuration command. Use the no form of this command to...
Group Default Group 1 user
Step 9 Click Edit Settings to go to the Group Settings for your group. Step 10 Scroll down the Group Settings until you find IOS Commands. Select the IOS Commandstcheckbox.t Step 11 Check the Command checkbox under IOS Commands. Step 12 Enter ftp in the Command field. Step 13 Enter permit 172.30.1.50 in the Arguments field. Step 14 Click Submit to save the changes. Wait for the interface to return to the Group Setuptmaintwindow.t Step 15 Click Edit Settings to go to the Group Settings for your...
Conduit Command
Conduit permit deny protocol global_ip global_pia.sk operator port port foreign_ip foreign pask operator port port Maps specific IP addresses and TCP or UDP connections from the outside host to the inside host. pixfirewall(config) conduit permit tcp host 192.168.1.10 eq ftp any The conduit command permits or denies connections from outside the PIX Firewall to access TCP or UDP services on hosts inside the network. The conduit statement creates an exception to the PIX Firewall ASA by permitting...
