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The NFS anonymous UID and GID must be configured to values that have no permissions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-932 | GEN005820 | SV-932r2_rule | ECSC-1 IAIA-1 IAIA-2 | Medium |
| Description |
|---|
| When an NFS server is configured to deny remote root access, a selected UID and GID are used to handle requests from the remote root user. The UID and GID should be chosen from the system to provide the appropriate level of non-privileged access. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-863r2_chk ) |
|---|
| Check if the anon option is set correctly for exported file systems. List exported file systems. # exportfs -v Each of the exported file systems should include an entry for the 'anon=' option set to -1 or an equivalent (60001, 60002, 65534, or 65535). If an appropriate 'anon=' setting is not present for an exported file system, this is a finding. |
| Fix Text (F-1086r2_fix) |
|---|
| Edit /etc/exports and set the anon=-1 option for exports without it. Re-export the file systems. |