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Certificate trust

Qlik Sense uses certificates for authentication. A certificate provides trust between nodes within a site.

Certificate trust requirements

The requirements described in this section must be fulfilled for the certificate trust to function properly.

When using Transport Layer Security (TLS) in Microsoft Windows environments, the private key must be stored together with the certificate in the Windows certificate store. In addition, the account that is used to run the Qlik Sense services must have permission to access the certificate private key.

You should also make sure that TLS 1.0 is enabled in Windows.

If you want to use TLS 1.2 authentication, you need to enable TLS 1.2 support in the Windows registry of the server machine. You should consider the impact of enabling TLS 1.2, as this is a global system setting.

Communication ports

To set up certificate trust, the Qlik Sense repository services (QRSs) require that the ports listed in the following table can be opened and used for communication. If any communication passes through a network firewall, the ports in the firewall must be opened and configured for the services.

Port no. Description
4570

Certificate password verification port, only used within multi-node sites by Qlik Sense repository services (QRSs) on rim nodes to receive the password that unlocks a distributed certificate. The port can only be accessed from localhost and it is closed immediately after the certificate has been unlocked. The communication is always unencrypted.

This port uses HTTP for communication.

4444

Security distribution port, only used by Qlik Sense repository services (QRSs) on rim nodes to receive a certificate from the master QRS on the central node. The communication is always unencrypted, but the transferred certificate package is password-protected.

This port uses HTTP for communication.

See: Ports

Unlocking distributed certificates

When adding a new rim node to a site, the distributed certificate needs to be unlocked.

See: Authorize the certificate on the node

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