Keeps prompting for authentication for proxy
We have recently set up an authenticated proxy here, and all devices are happy with it except Apple iPads.
Users put their username and password in the proxy settings and for the most part, that works fine. However, randomly, it keeps prompting for them to enter a username and password.
I've already got the following domains excluded from the need to authenticate:
Are there more Apple/iTunes/iPad related addresses I should exclude?