Ok, not really, but I needed a catchy title, no? The situation is this…publish a site through ISA 2006, and redirect all HTTP traffic to HTTPS. In Internet Explorer this works well, but when the client is using Firefox, the redirection is to https://site.example.com:0.
What is that :0? Well, IE interprets that as the default port for the protocol, so in this case HTTPS goes to TCP 443 and all is well. Firefox does what should be done, and tries to make an HTTPS connection to port 0, which is like dividing by zero and all goes bork. The fix is to apply the latest ISA 2006 Compatibility Update, which unfortunately is still not an automatic download, but is at least publickly available without a support case.
http://support.microsoft.com/kb/939455
This version does not even require a reboot, but it will restart all ISA services, so be careful to do this when no one is looking/////I mean, after hours.
keywords: ISA 2006 redirect https :0
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