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The network element must log all attempts to establish a management connection for administrative access.


Overview

Finding ID Version Rule ID IA Controls Severity
V-3070 NET1640 SV-15455r2_rule Low
Description
Audit logs are necessary to provide a trail of evidence in case the network is compromised. Without an audit trail that provides a when, where, who and how set of information, repeat offenders could continue attacks against the network indefinitely. With this information, the network administrator can devise ways to block the attack and possibly identify and prosecute the attacker.
STIG Date
Perimeter Router Security Technical Implementation Guide Cisco 2017-03-09

Details

Check Text ( C-12920r2_chk )
Review each Cisco router configuration to ensure that all connection attempts to the VTY ports are logged as shown in the following example:

access-list 3 permit 192.168.1.10 log
access-list 3 permit 192.168.1.11 log
access-list 3 deny any log

line vty 0 4
access-class 3 in
Fix Text (F-3095r3_fix)
Configure the device to log all access attempts to the device to establish a management connection for administrative access.