When I do a tcpdump and take a look at the raw packets I can see that squid does send a '407 Proxy Authentication Required’ back to the client, but then the magic happens… Next I see a '200 Connection established’ and some scrambled content (the page i request is https) and the page refreshes on my ipad, so safari handled the 407 by itself without any kind of notification.
I’m going to search for a solution with sessions that can be set by an external splash/log in screen. If someone knows a good guide/tutorial about this topic, or other and better solutions that do not use http authentication and which a browser cannot handle itself, I’d be happy to hear. Wim
