This is a slight mind bender but here goes.
In my dmz I have the web server at 172.16.0.1, I want it to be able to access itself as 12.34.56.78 which is an additional interface as part of the external wan.
Now, I have already got it working for the lan and internet. So, anybody who connects to 12.34.56.78 connects to the webserver. (dnat)
I've been experimenting with source nat and so far have failed to get it working.
So, in otherwords.. when 172.16.0.1 tries accessing 12.34.56.78 in a web browser the firewall redirects the traffic back to 172.16.0.1 whilst keeping 172.16.0.1 oblivious.
This isn't ultra important as a simple workaround has been me putting in the domains that go to the ip as 127.0.0.1 hosts in the hosts file on the web server itself.
It's more of a scratching head how the heck do you do that kind of thing.
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