Rotate your device back to portrait to use STIG Vault.
The Windows Server 2008 R2 Member Server Security Technical Implementation Guide (V1 R33) has 291 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.
Search filters this STIG's checks locally. Separate terms must all match (use quotes for an exact phrase). A search you ran on the Search page carries over here.
Rule Text
Discussion Text
New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.
Analyze the system using the Security Configuration and Analysis snap-in.
Expand the Security Configuration and Analysis tree view.
Navigate to Local Policies -> Security Options.
If the value for "MSS: (KeepAliveTime) How often keep-alive packets are sent in milliseconds" is not set to "300000 or 5 minutes (recommended)" or less, then this is a finding.
The policy referenced configures the following registry value:
Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \System\CurrentControlSet\Services\Tcpip\Parameters\
Value Name: KeepAliveTime
Value Type: REG_DWORD
Value: 300000
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.