Blocked cross origin API requests

[Tony Hirst]

Hi

I'm trying to run an AWS EC2 instance built from a custom AWS AMI containing a freshly built jupyter notebook server, which throws an error:

 

Blocking Cross Origin API request for /api/contents

when I try to create a new notebook.

Is this a setting I need to tweak in the AWS config somewhere (I'm way out of my depth there!) or can it be worked around with a Jupyter config setting?

-thanks

--tony

[Tony Hirst]

Example error:

Blocking Cross Origin API request for /api/contents.  Origin: http://ec2-MYINSTANCE.eu-west-1.compute.amazonaws.com:35180, Host: notebooks

[Tony Hirst]

And... the jupyer server is behind an nginx proxy which is providing an additional authentication layer....

--tony

[MinRK]

Since you are using an nginx proxy, you might need to set additional `X-Forwarded-Host`, etc. headers to identify the proxied request. You could also set the HOST header explicitly to the original HOST header, but X-Forwarded-... headers should be handled correctly by tornado.

-Min

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