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IPv6 TCP data retransmissions must be configured to prevent resources from becoming exhausted.


Overview

Finding ID Version Rule ID IA Controls Severity
V-21956 3.156 SV-25279r2_rule Low
Description
Configuring Windows to limit the number of times that IPv6 TCP retransmits unacknowledged data segments before aborting the attempt helps prevent resources from becoming exhausted.
STIG Date
Windows 7 Security Technical Implementation Guide 2017-07-28

Details

Check Text ( None )
None
Fix Text (F-65551r2_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "MSS: (TcpMaxDataRetransmissions IPv6) How many times unacknowledged data is retransmitted (3 recommended, 5 is default)" to "3" or less.