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The Network File System (NFS) server must be configured to restrict file system access to local hosts.


Overview

Finding ID Version Rule ID IA Controls Severity
V-933 GEN005840 SV-35201r1_rule ECSC-1 Medium
Description
The NFS access option limits user access to the specified level. This assists in protecting shared file systems. If access is not restricted, unauthorized hosts may be able to access the system's NFS shares.
STIG Date
HP-UX 11.31 Security Technical Implementation Guide 2018-09-14

Details

Check Text ( C-38005r1_chk )
Check the permissions on shared NFS file systems.

Procedure:
# cat /etc/dfs/sharetab

If the shared file systems do not contain the "rw" or "ro" options that specify a list of hosts or networks, this is a finding.
Fix Text (F-33239r1_fix)
Edit /etc/dfs/dfstab and add ro and/or rw options (as appropriate) that specify a list of hosts or networks which are permitted access. Re-share the file systems via the following commands:
# unshare
# share