12-11-2008 03:53 PM
I've got a case open on this, but wanted to ask the community too. I've got an S360 running AsyncOS 5.6.0-623 running in transparent mode. We're requiring NTLM user authentication. We're using the HTTPS Proxy feature.
In Firefox 3.x and maybe others (but not Internet Explorer) when viewing some SSL web sites that auto-refresh you will periodically receive a pop-up message with "OK" and "Cancel" buttons:
The web page is being redirected to a new location. Would you like to resend the form data you have typed to the new location?
12-19-2008 06:09 PM
Yes! (until I moved my machine to a subnet we're not filtering, that is)
It got rather annoying, so, rather than "fix it" (i'm one of the few privileged enough to have Fx installed ... most users don't/can't ... so fixing it wasn't really a priority), I just bypassed it.
12-22-2008 04:09 PM
I believe this may have something to do with authentication + HTTP POSTs on FF 3.x.
If a POST needs authentication, it must be redirected back to the WSA in order to be authenticated. Once this processes is completed, the client is redirected back to the original server. At this point the browser must "re-POST" the data.
I believe this is where the issue lies. It's possible that changing from cookie to IP surrogate may affect this behavior. I believe it only happens whenever FF creates a new connection in which the auth caching has expired.
At least, these are my current theories. We still have some more work to do.
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