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MSS: (TcpMaxDataRetransmissions IPv6) How many times unacknowledged data is retransmitted (3 recommended, 5 is default)

ID: oval:org.secpod.oval:def:23016Date: (C)2015-01-07   (M)2017-10-31
Class: COMPLIANCEFamily: windows




The registry value entry TCPMaxDataRetransmissions for IPv6 was added to the template file in the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip6\Parameters\ registry key. The entry appears as MSS: (TcpMaxDataRetransmissions) IPv6 How many times unacknowledged data is retransmitted (3 recommended, 5 is default) in the SCE. This setting controls the number of times that TCP retransmits an individual data segment (non-connect segment) before the connection is aborted. The retransmission time-out is doubled with each successive retransmission on a connection. It is reset when responses resume. The base time-out value is dynamically determined by the measured round-trip time on the connection. Fix: (1) GPO: 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) in the SCE. (2) REG: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip6\Parameters!TcpMaxDataRetransmissions

Platform:
Microsoft Windows Server 2012 R2
Reference:
CCE-37846-3
CPE    1
cpe:/o:microsoft:windows_server_2012::r2:x64
CCE    1
CCE-37846-3
XCCDF    6
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_Server_2012_R2
xccdf_org.secpod_benchmark_general_Windows_2012_R2
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_2012_R2
xccdf_org.secpod_benchmark_PCI_Windows_2012_R2
...

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