Detections
Analytics
CISC-RT-000200 - The Cisco router must be configured to log all packets that have been dropped at interfaces via an ACL.
Information
Auditing and logging are key components of any security architecture. It is essential for security personnel to know what is being done or attempted to be done, and by whom, to compile an accurate risk assessment. Auditing the actions on network devices provides a means to recreate an attack or identify a configuration mistake on the device.Solution
Configure ACLs to log packets that are dropped as shown in the example below.R5(config)#ip access-list extended INGRESS_FILTER
...
...
...
R5(config-ext-nacl)#deny ip any any log
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Cisco_IOS_Router_Y20M07_STIG.zip
Item Details
Audit Name: DISA STIG Cisco IOS Router RTR v1r4
References: CAT|III, CCI|CCI-000134, Rule-ID|SV-105675r1_rule, STIG-ID|CISC-RT-000200, Vuln-ID|V-96537
Plugin: Cisco
Control ID: dc20f67d5918989a35e450a891631e16878c50a6a4162b49e79bbdbb73b7cbea