Question: Redirect loop detected

[Hongyu Pang]

Hello all,

I am currently using jupyterhub but get stuck by the redirect loop issue for a few days. I am using: ubuntu14 in virtualbox, installed jupyterhub using pip, here is my configuration in  attached image cong.JPG, and the issue I run into is shown in juphub.JPG

Basically I am running jupyterhub using root, then after I log in as pompy, there seems error related to redirect loop. I am using PAM and has not configured any redirect loop. Any idea what happened and how to solve this?

Victor

[MinRK]

Are you perhaps visiting the internal port (8081) with your browser rather than the public one? That would result in bypassing the proxy, which will give you a redirect loop

-Min

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[Hongyu Pang]

Hello Min,

Thanks very much for the reply! I feel this should be the reason. I tried the next few things: 

1) tried to visit the 443 port. but it seems I cannot find it. like in img1, proxy is at *:443. Also I found a proxy:304  log: adding missing default route to 127.0.0.1:8081

2) I modified my configuration, adding c.JupyterHub.ip='127.0.0.1',  the log is in img2, now I can visit 127.0.0.1, but it says connection  not secure, firefox refused to connect 

3) I generated the ssl using "openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout jupyterhub.key -out jupyterhub.crt", next I did not encrypt, I think this is the problem. Then I tried letsencrypt. But I don't have a domain name. I tired localhost , or 127.0.0.1, but neither works. 

So my question is, do I need a domain name to deploy jupyterhub? What next thing do you think I should try? From img3 we can see the server is up, the only problem happens at visiting that page.

Victor

On Friday, March 23, 2018 at 5:07:02 AM UTC-4, Min RK wrote:

Are you perhaps visiting the internal port (8081) with your browser rather than the public one? That would result in bypassing the proxy, which will give you a redirect loop

-Min

On Thu, Mar 22, 2018 at 6:22 PM, Hongyu Pang <vic...@umich.edu> wrote:

Hello all,

I am currently using jupyterhub but get stuck by the redirect loop issue for a few days. I am using: ubuntu14 in virtualbox, installed jupyterhub using pip, here is my configuration in  attached image cong.JPG, and the issue I run into is shown in juphub.JPG

Basically I am running jupyterhub using root, then after I log in as pompy, there seems error related to redirect loop. I am using PAM and has not configured any redirect loop. Any idea what happened and how to solve this?

Victor

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[MinRK]

On Sat, Mar 24, 2018 at 1:28 AM, Hongyu Pang <vic...@umich.edu> wrote:

Hello Min,

Thanks very much for the reply! I feel this should be the reason. I tried the next few things: 

1) tried to visit the 443 port. but it seems I cannot find it. like in img1, proxy is at *:443. Also I found a proxy:304  log: adding missing default route to 127.0.0.1:8081

2) I modified my configuration, adding c.JupyterHub.ip='127.0.0.1',  the log is in img2, now I can visit 127.0.0.1, but it says connection  not secure, firefox refused to connect 

3) I generated the ssl using "openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout jupyterhub.key -out jupyterhub.crt", next I did not encrypt, I think this is the problem. Then I tried letsencrypt. But I don't have a domain name. I tired localhost , or 127.0.0.1, but neither works. 

So my question is, do I need a domain name to deploy jupyterhub? What next thing do you think I should try? From img3 we can see the server is up, the only problem happens at visiting that page.

You don't need a domain name, but if you want to use SSL, getting SSL set up without a domain can be tricky. For trusted SSL you do need to either have a real domain or manually trust the certificate at the system level. Different OSes have different ways to do this. Using self-signed and clicking through the scary warnings tends to work (websockets on Safari being one exception). I think some browsers may refuse to trust a certificate issued for 127.0.0.1, though.

-Min

 

Victor

On Friday, March 23, 2018 at 5:07:02 AM UTC-4, Min RK wrote:

Are you perhaps visiting the internal port (8081) with your browser rather than the public one? That would result in bypassing the proxy, which will give you a redirect loop

-Min

On Thu, Mar 22, 2018 at 6:22 PM, Hongyu Pang <vic...@umich.edu> wrote:

Hello all,

I am currently using jupyterhub but get stuck by the redirect loop issue for a few days. I am using: ubuntu14 in virtualbox, installed jupyterhub using pip, here is my configuration in  attached image cong.JPG, and the issue I run into is shown in juphub.JPG

Basically I am running jupyterhub using root, then after I log in as pompy, there seems error related to redirect loop. I am using PAM and has not configured any redirect loop. Any idea what happened and how to solve this?

Victor

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For more options, visit https://groups.google.com/d/optout.

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[Hongyu Pang]

You don't need a domain name, but if you want to use SSL, getting SSL set up without a domain can be tricky. For trusted SSL you do need to either have a real domain or manually trust the certificate at the system level. Different OSes have different ways to do this. Using self-signed and clicking through the scary warnings tends to work (websockets on Safari being one exception). I think some browsers may refuse to trust a certificate issued for 127.0.0.1, though.

-Min

Hello Min,

 

Thanks very much, this solved my confusion.

Victor