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The system must not use UDP for NIS/NIS+.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-4399 | GEN006380 | SV-45908r1_rule | High |
| Description |
|---|
| Implementing Network Information Service (NIS) or NIS+ under UDP may make the system more susceptible to a Denial of Service attack and does not provide the same quality of service as TCP. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-43216r1_chk ) |
|---|
| If the system does not use NIS or NIS+, this is not applicable. Check if NIS or NIS+ is implemented using UDP. Procedure: # rpcinfo -p | grep yp | grep udp If NIS or NIS+ is implemented using UDP, this is a finding. |
| Fix Text (F-39286r1_fix) |
|---|
| Configure the system to not use UDP for NIS and NIS+. Consult vendor documentation for the required procedure. |