Prerequisites

Diese online Dokumentation zu MTG CARA befindet sich derzeit im Aufbau und ist daher noch nicht vollständig. Zusätzliche Dokumente werden den Kunden weiterhin über einen anderen Kanal (als PDF) zur Verfügung gestellt.

Technical requirements

To use the CARA Admin Frontends, a web browser with the following features is required:

  • Support for JavaScript

  • Support for secure internet connections (at least SSL3)

  • Support for client authentication

  • Support of VisualBasic (only for Internet Explorer)

  • Support of CSS (from version 2.0)

These requirements are supported by common web browsers (Internet Explorer from version 5.5, Mozilla from version 5.5 incl. Firefox and SeaMonkey and Opera from version 8.5). However, some JavaScript settings (and some VisualBasic settings only for Internet Explorer) may have to be changed. For this, you should consult the documentation of the corresponding browser.

For client-side key generation in the web browser, such as for issuing RA certificates, the following compatibility restrictions apply:

  • Microsoft Internet Explorer version 11 must be used in compatibility mode.

  • For the Microsoft Edge browser (successor to Microsoft Internet Explorer), client-side key generation is not currently supported.

  • For current versions of Google Chrome, client-side key generation is currently not supported.

  • For client-side key generation in the web browser, MTG recommends using Mozilla Firefox ESR.

The screen size should be at least 1024x768 pixels.

Furthermore, a network connection is necessary. If the system is behind a firewall, it must be ensured that the URL of the frontend is accessible from the web browser. The proxy setting of the web browser must be configured, if necessary.

Configuration

The configuration files for the CARA Admin Frontend are located in the following directory:

/<TOMCAT_WEBAPPS>/WEB-INF/conf

The value for <TOMCAT_WEBAPPS> is specified during installation.

Configuration files
Filename Description

application.properties

Configuration parameters for the connection to the CARA service

log4j2.xml

Configuration file for Log4j 2
Only the configuration parameters of these files may be edited. All other configuration parameters are stored in the database and can be edited via the CARA Admin Frontend.

During installation, these configuration files are already stored correctly by the installation scripts' queries. The installation of the CARA Admin Frontend is not part of this page.

Configuration parameters

The following parameters can be edited in the application.properties file:

Name Description

cara.service.url

The URL to the CARA WebService.

applicationSecret

Password with which the frontend authenticates itself to the CARA-Server.

admin.service.url

The URL to the CARA admin service.

uploadFileMaxSize

Maximum size of files that may be uploaded (in bytes).

basic.available

The parameter specifies whether the Admin Basic frontend is available within the CARA Admin frontend:

basic.available = true → Admin-Basic is available

basic.available = false → Admin-Basic is NOT available.