IPv6 TCP data retransmissions must be configured to prevent resources from becoming exhausted.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-21956 | WN08-SO-000047 | SV-48433r2_rule | ECSC-1 | Low |
| Description |
|---|
| Configuring Windows to limit the number of times that IPv6 TCP retransmits unacknowledged data segments before aborting the attempt helps prevent resources from becoming exhausted. |
| STIG | Date |
|---|---|
| Windows 8 / 8.1 Security Technical Implementation Guide | 2015-03-09 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-41562r1_fix) |
|---|
| 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. |