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CCE
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CCE-41750-1

Platform: win10Date: (C)2016-09-23   (M)2017-10-23



Disable: 'MSS: (TcpMaxDataRetransmissions) How many times unacknowledged data is retransmitted (3 recommended, 5 is default)' for TcpMaxDataRetransmissions MSS: (TcpMaxDataRetransmissions) How many times unacknowledged data is retransmitted (3 recommended, 5 is default) Counter Measure: Configure the MSS: (TcpMaxDataRetransmissions) How many times unacknowledged data is retransmitted (3 recommended, 5 is default) entry to a value of 3. The possible values for this registry entry are: ? 0 to 0xFFFFFFFF. The default configuration is 5. In the SCE UI, this setting can be adjusted using a text entry box: ? A user-defined number ? Not Defined Potential Impact: TCP starts a retransmission timer when each outbound segment is passed to the IP. If no acknowledgment is received for the data in a given segment before the timer expires, then the segment is retransmitted up to three times.


Parameter:


Technical Mechanism: (1) GPO: Computer Configuration\Administrative Templates\MSS (Legacy)\MSS: (TcpMaxDataRetransmissions) How many times unacknowledged data is retransmitted (3 recommended, 5 is default) (2) REG: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters\TcpMaxDataRetransmissions

References:

Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:35018


OVAL    1
oval:org.secpod.oval:def:35018
XCCDF    4
xccdf_org.secpod_benchmark_general_Windows_10
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_10
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_10
xccdf_org.secpod_benchmark_PCI_3_2_Windows_10
...

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