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## 3.4.4 Configuring Session Timeout for an Instance

Use the Session Timeout attributes for an instance to reduce exposure at the application-level for abandoned computers with an open web browser.

Instance administrators can Session Timeout for an instance on the Instance Settings, Security page.

To configure Session Timeout attributes for an instance:

1. Sign in to APEX Administration Services.
2. Click Manage Instance.
3. Under Instance Settings, click Security.
4. Under Session Timeout:
   1. Maximum Session Length in Seconds - Defines how long (in seconds) sessions can exist and be used by applications in this APEX instance. This setting is superseded by the corresponding workspace-level setting and application-level setting.

      - Enter a positive integer to control how long a session can exist.

      - Enter `0` to have the session exist indefinitely.

      - Leave the value empty in order to revert to the default value of 8 hours (28800 seconds).

   2. Maximum Session Idle Time in Seconds - Session Idle Time is the time between the last page request and the next page request. This setting is superseded by the corresponding workspace-level setting and application-level setting.

      - Enter a positive integer to control the default idle time for sessions used by applications in this APEX instance.

      - Leave the value empty in order to revert to the default value of 1 hour (3600 seconds).

   3. Session Timeout Warning in Seconds - The session timeout warning time defines (in seconds) how long before a session times out (either maximum session length, or maximum session idle time), to warn the user. For the maximum session idle time warning, the user will have the opportunity to extend the session. For maximum session length warning, the user will be prompted to save any work, to avoid loss of data when the session maximum time is reached. This setting is superseded by the corresponding workspace-level setting and application-level setting.

      - Enter a positive integer to control the warning time for sessions used by applications in this APEX instance.

      - Enter 0 to switch off session timeout warnings.

      - Leave the value empty in order to revert to the default value of 5 minutes (300 seconds).

5. Click Apply Changes.

See Also:

- Configuring Session Timeout for a Workspace
- About Utilizing Session Timeout and Session Management in Oracle APEX App Builder User’s Guide

Parent topic: Configuring Security