The A10 Networks ADC must limit the number of concurrent sessions to one (1) for each administrator account and/or administrator account type.

From A10 Networks ADC NDM Security Technical Implementation Guide

Associated with: CCI-000054

SV-82521r1_rule The A10 Networks ADC must limit the number of concurrent sessions to one (1) for each administrator account and/or administrator account type.

Vulnerability 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 is helpful in limiting risks related to 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 upon mission needs and the operational environment for each system.

Check content

Review the device configuration. The following command shows the configuration with an output modifier to display only the phrase "multiple-auth-reject": show run | inc multiple-auth-reject If the output is blank, this is a finding.

Fix text

The following command disables concurrent logons for any administrative account: authentication multiple-auth-reject

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