STIGQter: STIG Summary: Cisco IOS Switch NDM Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The Cisco switch must be configured to terminate all network connections associated with device management after 10 minutes of inactivity.

DISA Rule

SV-220596r521267_rule

Vulnerability Number

V-220596

Group Title

SRG-APP-000190-NDM-000267

Rule Version

CISC-ND-000720

Severity

CAT I

CCI(s)

CCI-001133 - The information system terminates the network connection associated with a communications session at the end of the session or after an organization-defined time period of inactivity.

Weight

Fix Recommendation

Set the idle timeout value to 10 minutes or less on all configured login classes as shown in the example below:

SW1(config)#line vty 0 4
SW1(config-line)#exec-timeout 10 0
SW1(config-line)#exit
SW1(config)#line con 0
SW1(config-line)#exec-timeout 10 0
SW1(config-line)#exit
SW2(config)#ip http timeout-policy idle 600 life nnnn requests nn

Check Contents

Review the Cisco switch configuration to verify that all network connections associated with a device management have an idle timeout value set to 10 minutes or less as shown in the example below:

ip http secure-server
ip http timeout-policy idle 600 life nnnn requests nn
…
…
…
line con 0
exec-timeout 10 0
line vty 0 4
exec-timeout 10 0

If the Cisco switch is not configured to terminate all network connections associated with a device management after 10 minutes of inactivity, this is a finding.

The Cisco switch must be configured to terminate all network connections associated with device management after 10 minutes of inactivity.

DISA Rule

Vulnerability Number

Group Title

Rule Version

Severity

CCI(s)

Weight

Fix Recommendation

Check Contents

Vulnerability Number

Documentable

Rule Version

Severity Override Guidance

Check Content Reference

Target Key

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