What is allows you to make secure remote connections between two computers.

  • crossing multiple NATs/firewalls

  • using a single TCP port

  • portforwardless: without requiring port forwarding in the router, significantly reducing your network's vulnerability

  • many TCP-based protocols and applications are supported

Getting Started

If you're new to, we highly recommend starting with our Getting Started guides:

Scan the menus on the left side of this page for common topics, or use the search tool at upper right to find all references to a phrase or keyword.

Looking for API Docs?

If you're a developer looking to integrate into your product or application, please check out our API documentation guides here:

Feedback, Debugging and Support

Have feedback, questions, or need help? Please visit our support site.

The support section includes more debugging information and a widget to help you look for articles explaining causes and solutions for common problems. You can also submit a support ticket if needed.

To search the support pages or submit a ticket, click on the blue oval on the bottom of the page:

Once you login to the web portal, the support widget is also located at the bottom right of the portal. Forum

Visit the support forum to ask anything you like about using and interact with other users.