Check: 3.156
Win2k8 R2 Audit:
3.156
(in version v1 r8)
Title
IPv6 TCP data retransmissions will be configured to prevent resources from becoming exhausted. (Cat III impact)
Discussion
This check verifies Windows is configured to control the maximum number of times that IPv6 TCP retransmits unacknowledged data segments before aborting the attempt to prevent resources from becoming exhausted.
Check Content
Fix Text
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 the default)” to “3” or less.
Additional Identifiers
Rule ID: SV-32450r1_rule
Vulnerability ID: V-21956
Group Title: IPv6 TCP Data Retransmissions
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