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Double NAT, ISA, OWA, and SSL

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Double NAT, ISA, OWA, and SSL - 14.Jun.2006 6:16:21 PM   
chrismc_27

 

Posts: 1
Joined: 14.Jun.2006
Status: offline
Hello,
I have the following config:
Internet
   |
x.x.x.131
x.x.x.130
x.x.x.129
  |
Cisco IAD provided by CBeyond doing NAT and forwarding x.130 ports 25, 80, 443 to 192.168.9.2
  |
192.168.9.1
  |
DMZ (192.168.9.x)
  |
192.168.9.2
  |
ISA 2000 (running on SBS 2000)
  |
192.168.1.99
  |
LAN (192.168.1.x)
I have split DNS in place so that mail.domain.com resolves to the internal addy of 192.168.1.99 internally, and x.x.x.130 outside. I have purchased an SSL certificate for mail.domain.com and have it installed on the SBS server. Internally, I can access OWA using SSL without a problem using the FQDN/Exchange or NetbBios/Exchange (I do get the popup about the name not matching when using the NetBios name as expected). However, externally it just hangs at a white screen, almost forever <G>, and then fails with "Cannot find server or DNS Error". If I turn off SSL, I can access OWA from the outside. I've looked everwhere, re-run the wizards, etc to no avail. I can TelNet to port x.x.x.130:443. I'm thinking the NATed NAT has something to do with the SSL. Have any ideas? This six hour upgrade is now in the days <G>.
Chris
Post #: 1

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