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The operating system must terminate the network connection associated with a communications session at the end of the session or after 10 minutes of inactivity.


Overview

Finding ID Version Rule ID IA Controls Severity
V-48111 SOL-11.1-040380 SV-60983r1_rule Low
Description
This requirement applies to both internal and external networks. Terminating network connections associated with communications sessions means de-allocating associated TCP/IP address/port pairs at the operating system level. The time period of inactivity may, as the organization deems necessary, be a set of time periods by type of network access or for specific accesses.
STIG Date
Solaris 11 SPARC Security Technical Implementation Guide 2016-07-22

Details

Check Text ( None )
None
Fix Text (F-51719r1_fix)
The root role is required.

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

Modify the sshd_config file

# pfedit /etc/ssh/sshd_config

Locate the lines containing:

ClientAliveInterval
ClientAliveCountMax

Change them to:

ClientAliveInterval 600
ClientAliveCountMax 0

Restart the SSH service.

# svcadm restart svc:/network/ssh