I'm having some issues getting NATs to work through my ASL firewall. First, let me give some background:
FW External: 209.49.187.2/26
FW Internal: 10.0.0.0/8
My company has a webserver that hosts many sites that lives at 209.49.187.62 right now. We want to move this webserver behind the new firewall, and give it a public IP that will be available to the outside world. The new config would be like so:
Webserver External: 209.49.187.62
Webserver Internal: 10.0.0.5
In my experience with Checkpoint firewalls, this would require a static nat and a proxy arp. What I have set up right now is an IP alias on the external interface of the firewall, and a DNAT. This worked for a little while, but then died after a few hours. Any suggestions/ideas?
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