Security on Red Hat Enterprise‌

For servers, clients, and agents on Red Hat Enterprise Linux, disable the firewall and SE Linux settings.

  1. As user root run the Red Hat System Level Configuration Tool:

    # system-config-securitylevel

  2. Check that these settings are disabled:

    • Firewall

    • SE Linux

If these settings are not disabled the following error message appears when you try to run dmcli:

$ dmcli
License Server: createJob failed: -2
License Server: createJob failed: -2
ACL4500017E Error: Cannot open
The licence server is running.

Important: Disabling the firewall and SE Linux may go against your security policies.

Security consideration on Red Hat Enterprise Linux 5.x or 6.x (Dimensions CM Agents and Clients)‌

For Red Hat Enterprise Linux 5.2, as user root:

  1. Run the Red Hat System Level Configuration Tool:

    # system-config-securitylevel

  2. Check the status of following settings:

    • Disable Firewall

    • SE Linux

If these settings are not currently set to a disabled state, ensure that you set them to that state.

If the above settings are not set to a disabled state, the following error message is displayed when you try to run dmcli after a Dimensions CM installation (even though the Dimensions listener runs correctly):

$ dmcli

License Server: createJob failed: -2

License Server: createJob failed: -2

ACL4500017E Error: Cannot open

The licence server is running.