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Connecting to the Plotly Connector - Tips and Troubleshooting

Connecting to the Plotly Database Connector

Architecture

The Plotly Chart Editor makes a connection to the Plotly Database Connector directly from the web browser. (The Plotly Database Connector is actually a server that runs on your localhost. It doesn’t accept connections from anywhere but your web browser).

Troubleshooting HTTP Connection Errors

By default and on Windows machines, the Plotly Databse Connector will run over HTTP. Some browsers will block connections made from Plotly (a site running on HTTPS) to the Database Connector (running on HTTP). Learn more about the difference between HTTP and HTTPS.

On Mac and Linux, you can configure the connector to use a self-signed HTTPS certificate. See below for more details.

To enable HTTP connections, you may need to give your browser permission to connect. Here’s how:

Google Chrome

Google Chrome will display a Shield in the address bar. Shield icon in Google Chrome

Click on the Shield and click “Load unsafe scripts”. The page will refresh and you should be able to connect successfully. Load unsafe scripts prompt in Google Chrome

Firefox

Firefox will display a Shield on the left of the address bar. Shield icon in Firefox

Click on the Shield and click the Right hand arrow. Firefox security shield prompt

Follow the prompt and click “Disable protection for now”. The browser will refresh and you should be able to connect. Firefox security shield prompt displaying "Disable protection for now"

Safari

Unfortunately, Safari blocks all cross-origin requests so it is not possible to connect to the connector from Safari without enable HTTPS.

Running with HTTPS Certificates

To get around these browser warnings, the connector needs to run on HTTPS.

You can run your Connector over HTTPS by using a self-signed HTTPS certificate. The Plotly Connector will generate these certificates for you, here is how to get started with up self-signed HTTPS certificates on Mac and Linux system. This is not available for Windows right now.

We are currently working on providing HTTPS certificates automatically for all of our users with the open source Let’s Encrypt service. It should be available in February or March of 2017.

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