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TCP data retransmissions are not controlled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-4438 | 5.098 | SV-29372r1_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 Vista Security Technical Implementation Guide | 2015-01-05 |
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. |