been working on this for weeks now, cant believe i still haven't found a solution, heres a bunch of details about the setup and the problem:
externally connecting to https://mail.domain.org/exchange, i get diagnose connection problems
internally goes straight through no problems
i have setup a mail publishing rule enabled form based auth on that only and have removed form based from exchange
the isa server and exchange are on the same box
i have setup a entry in the hosts file on the server to go to isa servers address
isa doesnt have an external address it has a internal address on a different range and ports 443 80 and 25 are forwarded to that address range, all works fine with that no problems (canyouseeme.org sees me on 443 fine)
in the isa logs there is no external ips logged i only see our internal addresses
using my iphone to browse to https://mail.domain.org/exchange
i get asked to accept the certificate i do then i get page cannot be displayed
and using IE as above get that error message when i diagnose
oh and a telnet on 443 externally works fine too
p.s. i used my iphone to browse externally as active sync doesnt work yet either (im guessing an underlying problem with owa might solve both problems)
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