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V-266903

CAT II (Medium)

AOS must limit the number of concurrent sessions to a maximum of three for each administrator account and/or administrator account type.

Rule ID

SV-266903r1039730_rule

STIG

HPE Aruba Networking AOS NDM Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000054

Discussion

Device management includes the ability to control the number of administrators and management sessions that manage a device. Limiting the number of allowed administrators and sessions per administrator based on account type, role, or access type is helpful in limiting risks related to denial-of-service (DoS) attacks. This requirement addresses concurrent sessions for administrative accounts and does not address concurrent sessions by a single administrator via multiple administrative accounts. The maximum number of concurrent sessions should be defined based on mission needs and the operational environment for each system. At a minimum, limits must be set for Secure Shell (SSH), Hypertext Transfer Protocol Secure (HTTPS), and account of last resort.

Check Content

Verify the AOS configuration with the following command: 
show mgmt-user admin 
 
If "Max-concurrent-sessions" is not set to "3", this is a finding.

Fix Text

Configure AOS with the following commands: 
configure terminal 
mgmt-user admin root max-concurrent-sessions 3 
Enter the admin's password 
Reenter the admin's password 
write memory