What are application tunnels?
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Application tunnels provide a secure pathway between your Atlassian cloud organization and Data Center instances that live in your network. This pathway can be used to integrate your instances through application links that would otherwise require allowing incoming connections to your network. Thanks to network tunneling, you can integrate your Atlassian instances and exchange data and functionalities between them in a secure way, without exposing your network or allowlisting any incoming connections or IPs.
How it works
Here you can see how an application tunnel and links using it integrate your instances:
Tunnel server: You access it from admin.atlassian.com where you create a tunnel.
Tunnel client: Installed as a Marketplace app in your Data Center instance.
Application link (cloud): You create a tunneled application link in each of your Atlassian cloud apps and point it at an existing tunnel. You can link multiple cloud apps to a single tunnel. The application link must always be created on the cloud side.
Application link (self-managed): The reciprocal link will be automatically created in your Data Center instance. Only incoming connections to your network use the tunnel, the outgoing ones will reach your Atlassian cloud apps directly.
Supported Atlassian apps and products
The following cloud apps and Data Center products support application tunnels:
Cloud apps
Jira
Jira Service Management
Confluence
Data Center products
Jira Core / Software 8.8 or later
Jira Service Management 4.8 or later
Confluence 7.4 or later
Bitbucket 6.9 or later
Bamboo 9.3 or later
Security
To learn more about the security, see Application tunnel security.
Limitations
You can link only one Atlassian Cloud organization to a single Data Center instance
In Atlassian Cloud, different cloud apps live within organizations. For example, you can have an organization with Jira Cloud, Confluence Cloud, and Bitbucket Cloud. You could also have multiple organizations, but they would be separated from each other, and therefore have separate Application tunnels.
You can link only one such organization (and its multiple cloud apps) to a single Data Center instance, for example Confluence Data Center. That’s because your Confluence Data Center can receive only one tunnel. Linking multiple separate organizations to the same Data Center product isn’t supported. Watch the feature request
Available features
When integrating Cloud and Data Center instances, there will be some differences in feature you might know from your current integrations. For more info on available integrations and feature differences, see Integrate Atlassian cloud and self-managed instances.
Get started with application tunnels
To get started, see Configure application tunnels.
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