I have a WebForms page (.aspx) that accepts parameters via get / post and returns XML. This works in all browsers except for Safari where I get this gem:

```

Safari can’t open the page [URL]. The error was: “unknown error” 
(CFURLErrorDomain:303) Please choose Report Bugs to Apple from the Help menu, 
note the error number, and describe what you did before you saw this message.

```

Anyone see this before or know what it means?

**UPDATE:**

The web service is working for the http:// protocol, but fails under https://