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TCP data retransmissions are not controlled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-4438 5.098 SV-4438r1_rule ECSC-1 Low
Description
In a SYN flood attack, the attacker sends a continuous stream of SYN packets to a server, and the server leaves the half-open connections open until it is overwhelmed and no longer is able to respond to legitimate requests.
STIG Date
Windows XP Security Technical Implementation Guide 2014-04-07

Details

Check Text ( None )
None
Fix Text (F-28832r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “MSS: (TcpMaxDataRetransmissions) How many times unacknowledged data is retransmitted (3 recommended, 5 is the default)” to “3” or less.