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The operating system must terminate all sessions and network connections when nonlocal maintenance is completed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-216162 SOL-11.1-050460 SV-216162r986457_rule Medium
Description
Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network, either an external network (e.g., the internet) or an internal network. The operating system needs to ensure all sessions and network connections are terminated when nonlocal maintenance is completed.
STIG Date
Solaris 11 X86 Security Technical Implementation Guide 2024-05-30

Details

Check Text ( C-17400r986456_chk )
Determine if SSH is configured to disconnect sessions after 10 minutes of inactivity.

# grep ClientAlive /etc/ssh/sshd_config

If the output of this command is not as shown below, this is a finding.

ClientAliveInterval 600
ClientAliveCountMax 0
Fix Text (F-17398r372869_fix)
The root role is required.

Configure the system to disconnect SSH sessions after 10 minutes of inactivity.

# pfedit /etc/ssh/sshd_config

Insert the two lines:

ClientAliveInterval 600
ClientAliveCountMax 0

Restart the SSH service with the new configuration.

# svcadm restart svc:/network/ssh