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Accessing EMC SAN Management interface via NAT IP address

I have an EMC CX4-120 SAN with 2 x controllers each with its own management IP address.  When I access the Mgmt IP locally (say it's, for example), I am able to launch Navishpere and get full management access to the SAN.  When I try to hit it remotely, it is NAT'd behind a firewall (say it's, for example), I am able to log in, but not all Navishpere functions are available.  I think it's something about the connection that needs to see the real IP address.  Both TCP port 80 and 443 are opened on the firewall from the clients to the NAT'd IP address.  Anyone have this problem before?  If so, what was the fix?
1 Solution
The firewall might be blocking a port other than 80 or 443 that it needs?  Have you tried opening it up on any port shortly just for testing purposes?  If it works then there is another port you need.
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