Configure SSH to clear connections after a specified period of inactivity

This document (7009025) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 10
SUSE Linux Enterprise Server 11


The server should clear ssh connections after a specified period of inactivity.


Edit the /etc/ssh/sshd_config file
Un-remark or add the ClientAliveInterval parameter and set it to the number of seconds (of inacitivty) that ssh should wait before terminating the connection.
Un-remark or add the ClientAliveCountMax and set it to 0.
Restart the ssh daemon.

Additional Information

An example configuration would be:

ClientAliveInterval 600
ClientAliveCountMax 0

This would clear any ssh sessions that have been inactive for 10 minutes.


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7009025
  • Creation Date: 20-Jul-2011
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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