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Generating a key pair using Java Keytool
To enable a secure connection between the client and the server, you need to generate two keystore files, each in their own keystores:
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- KeyStore.jks (contains key and certificate) – server-side – upload it using Teamwork Cloud Admin console.
- cert.jks (contains public certificate) – client-side – place it in the <Application folder>\certs directory.
To generate a key pair
- Go to your Java directory and open the folder named bin.
Enter keytool -genkey -alias MyDomain -keyalg RSA -keystore KeyStore.jks -keysize 2048 and press Enter.
Info You can give any name to MyDomain and KeyStore.jks.
Enter a password for your keystore and answer the questions asked. A certificate with a key is generated and placed into the keystore.
To extract a certificate without a key, type keytool -export -alias MyDomain -file certificate.cer -keystore KeyStore.jks and press Enter.
To place a certificate into another keystore, e.g. cert.jks, type keytool -import -alias MyDomain -file certificate.cer -keystore cert.jks and press Enter.
Info You can give any name to cert.jks. However, by default, the tool searches for this exact name.
Two keystore files are generated: one for the server (KeyStore.jks) and one for the client (cert.jks). You can now proceed to enable a secure connection between the client (modeling tool) and the server (Teamwork Cloud).
Enabling a secure connection to Teamwork Cloud
To enable a secure connection to Teamwork Cloud, you must enable TLS (Transport Layer Security) on the Teamwork Cloud Admin's Server Settings page. This page also allows you to disable the option if you do not need to use a secure connection (see the following figure). You can always enable it whenever necessary.
Enabling TLS protocol in Teamwork Cloud (when the option is turned on, the color changes to orange
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| title | Self-signed TLS certificate warning |
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Teamwork Cloud Admin uses TLS (Transport Layer Security) as the security protocol to keep any information you enter on Teamwork Cloud Admin private and secure.
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Trusted root certificates are embedded into popular browsers such as Firefox and Chrome. They are used to verify all TLS certificates that the browsers encounter. If a certificate is not signed by one of these roots, the browsers display an error or warning message stating that it is untrusted. Thus, when you try to access the server via the self-signed one, you will get an error or warning in your web browser. The following figure below shows an example of the ”TLS certificate not trusted“ warning in Chrome.
A self-signed TLS certificate error in Google Chrome.
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To permanently mitigate this situation and avoid having the self-signed TLS certificate error or warning appear when accessing your server via TLS, it is recommended that you either:
- Replace the self-signed TLS certificate with a dedicated one issued by a trusted certificate authority or
- Establish your own root certificate authority and manually import it to each browser on all workstations.
Setting up TLS in Teamwork Cloud Admin
To enable a secure connection using the TLS protocol in Teamwork Cloud Admin
- Go to the Settings app.
Move the slider to the right to enable the TLS protocol.
- Type in the port, upload a Java Key Store file, and type the password.
- Click Save.
At this point, you will be able to connect to Teamwork Cloud from the modeling tool via the TLS connection.
Setting up client-side TLS
To enable a secure connection using the TLS protocol on the client-side, use the Server Certificates tool.
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The default port for a secure connection is 10002. If you are using another port for a secure connection instead of the default, append the port number to the server name in the Login dialog:
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Related pages
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