I tried all of the solutions here, but none of them fixed it, although the symptoms (Safari and iCloud couldn’t log in; Chrome fine); turned out it was Cisco AnyConnect that was the problem, posting here in case someone else has the same problem.
I tried all of the solutions here, but none of them fixed it, although the symptoms (Safari and iCloud couldn’t log in; Chrome fine); turned out it was Cisco AnyConnect that was the problem, posting here in case someone else has the same problem.