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Note

Software licenses are best suited for stable environments, because their correct function depends on certain characteristics of the host system. Changing any of these characteristics will invalidate the license.

  • If the CHARON host runs on real hardware, the software licenses are by default tightly bound to the hardware for which they were issued. If major hardware characteristics of the system are changed, the license will be disabled.
  • If the CHARON host runs in a virtual environment (e.g. VMware), the software licenses are normally bound to the virtual machine ID and a set of additional characteristics of the virtual machine. If any of these parameters are changed, the license will be disabled.
In special cases, a software license can also be bound to the fully qualified domain name (FQDN) of the host system. If this name changes
  • , the license will be disabled.

For a more detailed description of the restrictions, please refer to the Software Licensing restrictions article or contact your Stromasys representative.

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Disable remote keys access 

A helpful feature of the Sentinel Admin Control Center is the ability to disable access to remote keys. If the network key is installed locally, access to the key from remote hosts can be disabled. The following examples demonstrate how this can be done.

To disable access to remote keys, switch to the "Access to Remote License managers" tab, uncheck the "Allow Access to Remote Licenses" checkbox and press the "Submit" button to apply this setting:

To disable access to the locally installed license key from remote hosts, switch to the "Access from Remote Clients" tab, uncheck the "Allow Access from Remote Clients" checkbox and press the "Submit" button to apply this setting:

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Accessing Sentinel Admin Control Center from remote hosts

By default, the Sentinel Admin Control Center forbids accessing its web interface from remote machines. To allow access, configure the ACC for remote management.

The first step is to edit the "hasplm.ini" file:

# vi /etc/hasplm/hasplm.ini


Allow remote access by changing the "ACCremote" parameter from "0" to "1" then restart the Sentinel Admin Control Center run-time:
# systemctl restart aksusbd
If the CHARON-AXP host firewall is blocking remote access to the Sentinel Admin Control Center, please configure the firewall to open the port 1947 (TCP protocol). Refer to the Linux documentation for details on how to configure the firewall. It is also possible to use SSH port forwarding with the following command (replace "CHARON_MACHINE" by the real CHARON-VAX host name):
# ssh -L8080:CHARON_MACHINE:1947 root@CHARON_MACHINE
This will expose the Sentinel Admin Control Center on port 8080 to any computer, and it will believe commands are coming from the local host.
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License management utilities

CHARON-AXP for Linux provides a specific utility for license management - "hasp_srm_view". This utility is used to display the license(-s) content, to collect the key(s) status information and host fingerprint (C2V) files.


Info

Applying updates (".v2c" files) is typically done using the Sentinel Admin Control Center (see above) but alternatively it is also possible to use the specific "hasp_update" utility.

Please refer to the Utilities section of this Guide for more details.
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Removing CHARON-AXP software licenses

The following procedure must be applied to remove software license:
 

  1. Using your web browser, open the http://localhost:1947 page to access the "Sentinel HASP Admin Control Center" (ACC).
  2. In the "Sentinel HASP Admin Control Center" (ACC), locate the target "Sentinel SL AdminMode" license.
  3. Press the "Certificates" button at the right side of the SL description: 
     
  4. Note the name of the corresponding certificate and path to the certificates base in the "Certificates" section.
  5. Remove the target certificate file from the specified directory, in most cases: "/var/hasplm/installed/68704/".
  6. Reboot the CHARON host.
  7. Start the "Sentinel HASP Admin Control Center" (ACC) again to ensure that the SL has been removed.
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License Deinstallation 

To completely remove a CHARON-AXP license from a host, it is enough to remove the Sentinel run-time daemon (and the package "charon-license-<...>.rpm" containing the run-time customization) using the following command:

# rpm --nodeps -e aksusbd charon-license-<...>
Then just physically disconnect the license key (in the case of protection by dongles).
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Special "backup" license keys

Backup keys are provided by STROMASYS along with standard license dongles. It is strongly recommended to order a backup key to recover immediately from damage or loss of the main license key. Backup keys use a counter (integer) value hardcoded inside the key. This integer value is a number of hours CHARON-AXP is allowed to run. Each time CHARON-AXP checks the license (every hour), the value is decreased (by 1 hour). Please note that backup keys have restricted functionality:

  • CHARON run time is typically limited to 720 hours (30 days). This should be more than enough time to get a replacement key from STROMASYS.
  • A backup license may be valid only until a certain date. Please check with STROMASYS management.
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