The network device must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.

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The network device must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-243183	WLAN-ND-001400	SV-243183r879546_rule		Medium

Description
By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute forcing, is reduced.

STIG	Date
Network WLAN Bridge Management Security Technical Implementation Guide	2023-09-13

Details

Check Text ( C-46458r720002_chk )
Review the configuration and verify the number of unsuccessful SSH logon attempts is set at "3", after which time it must block any login attempt for 15 minutes. If the device is not configured to reset unsuccessful SSH logon attempts at "3" and then block any login attempt for 15 minutes, this is a finding.

Fix Text (F-46415r720003_fix)
Configure the network device to require a maximum number of unsuccessful SSH logon attempts at "3", after which time it must block any login attempt for 15 minutes.