Enabling captive portal detection in GNOME 3.14 on Debian Jessie

GNOME 3.14 supports captive portal handling but it is not enabled by default in Debian Jessie probably due to the privacy concerns. To enable it, create a file /etc/NetworkManager/conf.d/20-connectivity-debian.conf with the following content: [connectivity] uri=http://network-test.debian.org/nm response=NetworkManager is online interval=300 Then restart NetworkManager using the command service network-manager restart as root user (or use sudo if…