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[GH-ISSUE #2400] Cannot connect self-hosted server #88038

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opened 2026-05-26 20:52:51 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-05-26 20:52:51 -05:00
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Originally created by @jcrovetti on GitHub (Mar 4, 2023).
Original GitHub issue: https://github.com/bitwarden/android/issues/2400

Steps To Reproduce

  1. Open android app parameters
  2. Type in your self-hosted server URL
  3. Save
  4. Try to login

Expected Result

I expect to be prompted for password

Actual Result

The connection fails with message "Operation was canceled" after about 40 to 60 seconds

Screenshots or Videos

No response

Additional Context

I have checked my server logs : no requests are reaching the server (nothing in Nginx Proxy Manager or int bitwarden logs)
So after that I tried to check outgoing trafic from my phone with PCAPdroid and that's where it got strange : when the packet capture is running, I can connect.
I have no idea what is going on.
I tried on other android devices (different brand, different version of android), same problem.

Operating System

Android

Operating System Version

10

Device

Galaxy note 9

Build Version

2023.2.0

Beta

  • Using a pre-release version of the application.
Originally created by @jcrovetti on GitHub (Mar 4, 2023). Original GitHub issue: https://github.com/bitwarden/android/issues/2400 ### Steps To Reproduce 1. Open android app parameters 2. Type in your self-hosted server URL 3. Save 4. Try to login ### Expected Result I expect to be prompted for password ### Actual Result The connection fails with message "Operation was canceled" after about 40 to 60 seconds ### Screenshots or Videos _No response_ ### Additional Context I have checked my server logs : no requests are reaching the server (nothing in Nginx Proxy Manager or int bitwarden logs) So after that I tried to check outgoing trafic from my phone with PCAPdroid and that's where it got strange : when the packet capture is running, I can connect. I have no idea what is going on. I tried on other android devices (different brand, different version of android), same problem. ### Operating System Android ### Operating System Version 10 ### Device Galaxy note 9 ### Build Version 2023.2.0 ### Beta - [ ] Using a pre-release version of the application.
GiteaMirror added the bug label 2026-05-26 20:52:52 -05:00
GiteaMirror commented 2026-05-26 20:52:57 -05:00
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@DenisKnez commented on GitHub (Mar 5, 2023):

For easier debugging next time please include more info about where your self hosting your bitwarden server do you use static ip or dynamic dns and things like that because that really matters when you have connection issues to it.

PCAPdroid claims that they simulate a VPN but don't use a remote VPN server. That means that the simulated VPN probably by passes some restrictions by your server. Maybe you have some firewall rules.

Try to connect to a 4G/5G network (of course turn off wifi on your phone) and then try to login. If you're able to connect over 4G then it's highly like some miss configuration on your end and not a bug. But again it is highly dependent on how are hosting your bitwarden server. And are you able to connect to your bitwarden server on the web client?

<!-- gh-comment-id:1455036069 --> @DenisKnez commented on GitHub (Mar 5, 2023): For easier debugging next time please include more info about where your self hosting your bitwarden server do you use static ip or dynamic dns and things like that because that really matters when you have connection issues to it. PCAPdroid claims that they simulate a VPN but don't use a remote VPN server. That means that the simulated VPN probably by passes some restrictions by your server. Maybe you have some firewall rules. Try to connect to a 4G/5G network (of course turn off wifi on your phone) and then try to login. If you're able to connect over 4G then it's highly like some miss configuration on your end and not a bug. But again it is highly dependent on how are hosting your bitwarden server. And are you able to connect to your bitwarden server on the web client?
GiteaMirror commented 2026-05-26 20:52:59 -05:00
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@jcrovetti commented on GitHub (Mar 5, 2023):

Hi,
Thanks for the feedback.
As for the hosting info, it's in my homelab, behind a router/isp box with a static public IP. I have a real domain name pointing to it, no dynamic ip resolver.

I do not think the problem was on the server side : i can access the web interface, and the web browser plugin works ok.

But anyways, it seems to have resolved itself overnight. I really cannot explain what happened since it works fine now (on the three android devices I tested yesterday).

Sorry for reporting something that does not seem related to the mobile app.

And thank you again for the help.

<!-- gh-comment-id:1455134055 --> @jcrovetti commented on GitHub (Mar 5, 2023): Hi, Thanks for the feedback. As for the hosting info, it's in my homelab, behind a router/isp box with a static public IP. I have a real domain name pointing to it, no dynamic ip resolver. I do not think the problem was on the server side : i can access the web interface, and the web browser plugin works ok. But anyways, it seems to have resolved itself overnight. I really cannot explain what happened since it works fine now (on the three android devices I tested yesterday). Sorry for reporting something that does not seem related to the mobile app. And thank you again for the help.
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Reference: github-starred/android#88038
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