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connectivity-check
A self-hosted captive portal connectivity check.
Usage
Just run the following command:
docker run -d -p 80:80 -p 443:443 samuelph/connectivity-check
Or with docker-compose:
version: '3.4'
services:
connectivitycheck:
image: samuelph/connectivity-check
restart: always
ports:
- 80:80
- 443:443
Run on a simple web space
Instead of running the docker image you also can just use the following .htaccess
file on your web server:
RewriteEngine On
Header always set "X-NetworkManager-Status" "online"
RewriteCond "%{REQUEST_FILENAME}" "(generate)?_?204"
RewriteRule "(generate)?_?204" / [R=204,L]
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
Setup your devices
Android
To change the Captive Portal Check in Android, you need a terminal app or a connection via ADB to a computer.
To use http
you can run the following commands with the respective method:
# settings put global captive_portal_use_https 0
# settings put global captive_portal_http_url "http://connectivitycheck.sp-codes.de/generate204"
To use https
you can use the following two commands:
# settings put global captive_portal_use_https 1
# settings put global captive_portal_https_url "https://connectivitycheck.sp-codes.de/generate204"
Maybe you have to reboot your phone after updating the settings.
If you are using AFWall+ you need to give access to [1000] Android-System and in some cases [10040] CaptivePortalLogin to make it work.
For more information see here.
Ubuntu
In Ubuntu, the file /etc/NetworkManager/NetworkManager.conf
must be changed. Add or change the following lines:
[connectivity]
uri=https://connectivitycheck.sp-codes.de/generate204
Restart the network-manager:
sudo service network-manager restart
For more information see here.
Fedora
In Fedora, the file /etc/NetworkManager/NetworkManager.conf
must be changed. Add or change the following lines:
[connectivity]
uri=https://connectivitycheck.sp-codes.de/generate204
Restart the NetworkManager:
sudo service NetworkManager restart
Firefox
Type about:config in the Firefox address bar and search for captivedetect.canonicalURL
and network.connectivity-service
. Set the URL values to https://connectivitycheck.sp-codes.de/generate204
, the domain values to connectivitycheck.sp-codes.de
. That's it.
License
connectivity-check is Free Software: It is licensed under MIT (See LICENSE for more information).