I have an SA520 that is configured with 3 NAT rules in firewall. These rules allow a local server to be exposed for 3 specific services. Everything else is disabled. There is no content filtering for example.
The problem: None of our users are able to use Windows Live Messenger or access certain sites such as www.hotmail.com.
I suspect the device is blocking URLs that redirect. I see that hotmail.com is redirected to a mail.live.com.
Thanks very much.