The operating system must terminate all sessions and network connections when nonlocal maintenance is completed.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-216162 | SRG-OS-000126 | SOL-11.1-050460 | SV-216162r986457_rule | 2024-11-25 | 3 |
| 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. |
| ℹ️ Check |
|---|
| 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 |
|---|
| 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 |