Secure SYSMON Authority

MediumLevel 1Manual reviewdb2

Description

The sysmon_group parameter defines the operating system groups with system monitor (SYSMON) authority. It is recommended that the sysmon_group group contain authorized users only. Default: The default value for sysmon_group is NULL.

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

1. Attach to the Db2 instance. db2 => attach to <db2instance> 2. Run the following command: db2 => get database manager configuration 3. Locate the sysmon_group value in the output and ensure the value is not NULL: SYSMON group name (SYSMON_GROUP) = DB2MON 4. Review the members of the sysmon_group on the operating system. Linux: cat /etc/group | grep <sysmon group name> Windows: 1. Run compmgmt.msc 2. Click 'Local Users and Groups' 3. Double click 'Groups' 4. Double click the <sysmon group name> 5. Review group members

How it is fixed

Fix method: Guidance or infrastructure patch

Define a valid group name for the SYSMON group. 1. Attach to the Db2 instance. db2 => attach to <db2instance> 2. Run the following command: db2 => update database manager configuration using sysmon_group <sysmon group name>

Properties

Operating systems: Any
Tags: db2databasemanual
Reference: CIS IBM Db2 12.1 Benchmark v1.0.0 - 6.1.4 Secure SYSMON Authority