SV-35199r1: The Network File System (NFS) anonymous UID and GID must be configured to values that have no permissions. | HP-UX 11.31 Security Technical Implementation Guide

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Assessment Title

Rule Text

The Network File System (NFS) anonymous UID and GID must be configured to values that have no permissions.

Description

Discussion Text

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.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000062

Additional Details

Responsibility

System Administrator

IA Controls

ECSC-1

References

DPMS Target HP-UX 11.31 DISA DPMS Target HP-UX 11.31 2171

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

#!/bin/bash
# Reconstructed from oval:mil.disa.fso.hpux11:def:346
# The Network File System (NFS) anonymous UID and GID must be configured to values that have no permissions.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# nfs anonid
# textfilecontent54_object (textfilecontent54_test)
test_1() {
  (sed -En 's/^[ 	]*[^# 	
]+[ 	]*([^#
]*)/\1/p' '/etc/dfs/sharetab') | grep -Pq 'anon=(-1|60001|65534|65535)'
}

if test_1; then
  echo "PASS"
else
  echo "FAIL"
fi

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# OVAL Definition: oval:mil.disa.fso.hpux11:def:346
if [ ! -f "/etc/dfs/sharetab" ]; then echo "PASS"; exit 0; fi
if grep -qE '^[ \t]*anon=(-1|60001|65534|65535)' /etc/dfs/sharetab; then echo "PASS"; exit 0; else sed -i 's/^[ \t]*anon=.*/anon=-1/' /etc/dfs/sharetab; echo "FAIL"; exit 1; fi

Remediation

Edit /etc/dfs/sharetab and set the anon=-1 option for shares without it. Re-export the file systems.