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← Back to Cisco IOS Router NDM Security Technical Implementation Guide

V-215681

CAT II (Medium)

The Cisco router must be configured to enforce a minimum 15-character password length.

Rule ID

SV-215681r991820_rule

STIG

Cisco IOS Router NDM Security Technical Implementation Guide

Version

V3R7

CCIs

CCI-004066

Discussion

Password complexity or strength is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one of several that helps to determine strength and how long it takes to crack a password. The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised. Use of more characters in a password helps to exponentially increase the time and/or resources required to compromise the password.

Check Content

Review the Cisco router configuration to verify that it is compliant with this requirement as shown in the example below.

aaa new-model
!
!
aaa common-criteria policy PASSWORD_POLICY
 min-length 15

If the Cisco router is not configured to enforce a minimum 15-character password length, this is a finding.

Fix Text

Configure the Cisco router to enforce a minimum 15-character password length as shown in the example below.

R1(config)#aaa common-criteria policy PASSWORD_POLICY
R1(config-cc-policy)#min-length 15
R1(config-cc-policy)#exit