'threshold_config' process consumes CPU at 100% on Multi-Domain Server

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Technical Level

Solution ID	sk99081
Technical Level
Product	Multi-Domain Security Management
Version	R77.10 (EOL), R77.30 (EOL)
OS	SecurePlatform 2.6, Gaia
Platform / Model	Intel/PC, Smart-1
Date Created	03-Apr-2014
Last Modified	13-Jun-2018

Symptoms

Output of 'top' command shows that 'threshold_config' process consumes CPU at 100% on Multi-Domain Security Management Server.
Example:
1. Connect to MDM/MDS over SSH.
2. Log in to Expert mode.
3. Run the 'threshold_config' command.
4. Close the SSH session.
5. Open new SSH session to the MDM/MDS.
6. Run 'top' command.

Cause

'threshold_config' process runs in an endless loop after shell is closed.

When closing a Linux shell, it sends the SIGHUP signal to its child processes.

On Multi-Domain Security Management Server / Multi-Domain Log Server, in order to protect the MDS-level operations, the SIGHUP signal that closes processes upon shell exit is disabled by design.

Solution

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