Oct 23, on an ubuntu 18.04 system, the Ubuntu 20.10 zsync download displays the above errors when an https download is attempted. Using http succeeds.
The failure (local iso is a renamed beta): $ zsync -i ubuntu-20.10-desktop-amd64.iso https://releases.ubuntu.com/20.10/ubuntu-20.10-desktop-amd64.iso.zsync failed on url https://releases.ubuntu.com/20.10/ubuntu-20.10-desktop-amd64.iso.zsync could not read control file from URL https://releases.ubuntu.com/20.10/ubuntu-20.10-desktop-amd64.iso.zsync -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1786336 Title: No download over HTTPS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zsync/+bug/1786336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs