I just experienced the same problem on Ubuntu 20.04 at a Best Western hotel in London.
It's kind of a dealbreaker if you're travelling and need to work, so would be good to have it fixed. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1779933 Title: Unable to log in through guest network captive portal Status in network-manager package in Ubuntu: Confirmed Bug description: I have this issue with starbucks wifi, and my university public wifi when trying to connect via the guest network. The workaround linked below as detailed by Stepan works to fix the problem at both locations. https://askubuntu.com/a/1020934 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: network-manager 1.10.6-2ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18 Uname: Linux 4.15.0-24-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CurrentDesktop: KDE Date: Tue Jul 3 15:39:48 2018 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2018-06-28 (4 days ago) InstallationMedia: Kubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) IpRoute: default via 172.18.0.1 dev wlp2s0 proto dhcp metric 600 169.254.0.0/16 dev wlp2s0 scope link metric 1000 172.18.0.0/19 dev wlp2s0 proto kernel scope link src 172.18.21.63 metric 600 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true SourcePackage: network-manager UpgradeStatus: No upgrade log present (probably fresh install) nmcli-dev: DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/2 UDel_Guest c1faa267-4d97-4ee4-80f1-52367f39cca0 /org/freedesktop/NetworkManager/ActiveConnection/1 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1 -- -- -- nmcli-nm: RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN running 1.10.6 connected started full enabled enabled enabled enabled enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1779933/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp