Cisco 7604 Configuration Guide - Page 356
Configuring a RADIUS Server to Download Per-User Access Control List Names
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Configuring Authorization for Network Access Chapter 17 Applying AAA for Network Access Configuring Any RADIUS Server for Downloadable Access Lists You can configure any RADIUS server that supports Cisco IOS RADIUS VSAs to send dynamic access lists to the FWSM in a Cisco IOS RADIUS cisco-av-pair VSA (VSA number 1). Cisco IOS RADIUS VSAs are identified by RADIUS vendor ID 9. In the cisco-av-pair VSA, configure one or more ACEs that are similar to the access-list extended command, except that you replace the following command prefix: access-list acl_name extended with the following text: ip:inacl#nnn= The nnn argument is a number in the range from 0 to 999999999 that identifies the order of the command statement to be configured on the FWSM. If this parameter is omitted, the sequence value is 0, and the order of the ACEs inside the cisco-av-pair RADIUS VSA is used. The following example is an access list definition as it should be configured for a cisco-av-pair VSA on a RADIUS server: ip:inacl#1=permit tcp 10.1.0.0 255.0.0.0 10.0.0.0 255.0.0.0 ip:inacl#99=deny tcp any any ip:inacl#2=permit udp 10.1.0.0 255.0.0.0 10.0.0.0 255.0.0.0 ip:inacl#100=deny udp any any ip:inacl#3=permit icmp 10.1.0.0 255.0.0.0 10.0.0.0 255.0.0.0 For information about making unique per user the access lists that are sent in the cisco-av-pair attribute, see the documentation for your RADIUS server. On the FWSM, the downloaded access list name has the following format: AAA-user-username The username argument is the name of the user that is being authenticated. The downloaded access list on the FWSM consists of the following lines. Notice the order based on the numbers identified on the RADIUS server. access-list access-list access-list access-list access-list AAA-user-bcham34-79AD4A08 permit tcp 10.1.0.0 255.0.0.0 10.0.0.0 255.0.0.0 AAA-user-bcham34-79AD4A08 permit udp 10.1.0.0 255.0.0.0 10.0.0.0 255.0.0.0 AAA-user-bcham34-79AD4A08 permit icmp 10.1.0.0 255.0.0.0 10.0.0.0 255.0.0.0 AAA-user-bcham34-79AD4A08 deny tcp any any AAA-user-bcham34-79AD4A08 deny udp any any Downloaded access lists have two spaces between the word "access-list" and the name. These spaces serve to differentiate a downloaded access list from a local access list. In this example, "79AD4A08" is a hash value generated by the FWSM to help determine when access list definitions have changed on the RADIUS server. Configuring a RADIUS Server to Download Per-User Access Control List Names To download a name for an access list that you already created on the FWSM from the RADIUS server when a user authenticates, configure the IETF RADIUS filter-id attribute (attribute number 11) as follows: filter-id=acl_name 17-12 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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