3.097 - The system will be configured to limit how often keep-alive packets are sent.

Information

Controls how often TCP sends a keep-alive packet in attempting to verify that an idle connection is still intact.

Solution

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> 'MSS: (KeepAliveTime) How often keep-alive packets are sent in milliseconds' to '300000 or 5 minutes (recommended)' or less.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Windows_2008_R2_MS_V1R33_STIG.zip

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-7(12), CAT|III, CCI|CCI-002385, CSCv6|9, CSCv6|9.2, Rule-ID|SV-32357r1_rule, STIG-ID|3.097, Vuln-ID|V-4113

Plugin: Windows

Control ID: b950b38f9604816e03794f1d3147d3e080db7a0a73eeb0c4f8e10c96f2128814