Finding ID | Version | Rule ID | IA Controls | Severity |
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V-4113 | WN12-SO-000041 | SV-52927r1_rule | ECSC-1 | Low |
Description |
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This setting controls how often TCP sends a keep-alive packet in attempting to verify that an idle connection is still intact. A higher value could allow an attacker to cause a denial of service with numerous connections. |
STIG | Date |
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Windows Server 2012 / 2012 R2 Member Server Security Technical Implementation Guide | 2015-06-26 |
Check Text ( None ) |
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None |
Fix Text (F-45853r2_fix) |
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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 "Updating the Windows Security Options File" in the STIG Overview document if MSS settings are not visible in the system's policy tools.) |