SV-227000r603265: The SSH daemon must be configured for IP filtering. | Solaris 10 SPARC STIG SCAP Benchmark

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Assessment Title

Rule Text

The SSH daemon must be configured for IP filtering.

Description

Discussion Text

The SSH daemon must be configured for IP filtering to provide a layered defense against connection attempts from unauthorized addresses.

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

IA Controls

NIST SP 800-53

Not mappedCCI-000366V-12022SV-40279

References

DPMS Target Solaris 10 SPARC DISA DPMS Target Solaris 10 SPARC 4060

Checks

DISA STIG (Manual Reference)

Check the TCP wrappers configuration files to determine if SSHD is configured to use TCP wrappers.

Procedure:
# egrep '^[^#:]*(ALL|sshd)' /etc/hosts.deny
# egrep '^[^#:]*(ALL|sshd)' /etc/hosts.allow

If neither of the hosts.deny or hosts.allow files exist, this is a finding.
If no entries are returned, the TCP wrappers are not configured for SSHD, this is a finding.

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.

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.solaris11:def:345
if [ ! -f "/etc/hosts.allow" ] && [ ! -f "/etc/hosts.deny" ]; then echo "PASS"; exit 0; fi
if [ $(grep -c "^[^#:]*(sshd|ALL)" /etc/hosts.allow /etc/hosts.deny) -ge 1 ]; then echo "PASS"; exit 0; else echo "FAIL"; exit 1; fi

Remediation

Add appropriate IP restrictions for SSH to the /etc/hosts.deny and/or /etc/hosts.allow files.