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Editorial Team
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Asked: 2026-06-13T10:58:26+00:00

When I launch IPython Notebook I can navigate to it and enter code. However,

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When I launch IPython Notebook I can navigate to it and enter code. However, nothing is ever echo’d back to the IPython Notebook interface.

I know the server is getting the queries (from --debug output) and responding to them it’s just never giving me output in my IPython Notebook window.

I am running Python 2.6.6 and Windows 7

I am at a loss currently on how to get this notebook thing to work.

Here is a screencast of me trying (unsuccessfully) to get output:

http://screencast.com/t/TwJ2ZmGnT

Even if you don’t know what’s wrong, any pointers on how to further debug my problems 🙁

So far I have run the test chatclient for tornado, https://github.com/facebook/tornado/tree/master/demos/websocket, successfully.

And also the test scripts for pyzmq, https://github.com/zeromq/pyzmq/blob/master/examples/poll/reqrep.py, ran successfully.

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1 Answer

  1. Editorial Team

    I had this problem. I found two ways of fixing it, though your mileage may vary:

    1. I killed the software firewall process.

    2. I configured the notebook to accept HTTP connections from anywhere (with a password and a secure connection, obviously). Details of how to do this can be found on the IPython website.

    I don’t know why the second one worked. My best guess is that the combination of the firewall and a NAT made connections to localhost look, to the notebook, as though they were coming from elsewhere.

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