I stupidly 301-ed my whole website from http to https without fully considering the effect. My iPhone app had used http basic authentication. But now users are seeing "not authenticated" errors ...
There are times when you can't use any TCP ports other than 80 (HTTP) or 443 (HTTPS), so you can't use Mail accounts that communicate with iCloud via IMAP/POP3/SMTP. But when you go to iCloud.com, it ...
Just the same way you can open the web inspector or activity window in Safari on your laptop and see all the HTTP requests any website has made, how do you do that on the iphone for an iPhone app, if ...