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How to configure 1:1 NAT on NSG Series?
If you have the multiple public IP from ISP and you plan to set up the multiple services server on the same end host but you do not know how many service port you need to allow on port forwarding setting, in this scenario you may consider to use 1:1 NAT.
Since 1:1 NAT will forward all the ports to the server therefore if you have only one public IP then please note that after the configuration you will not able to access to NSG from GUI because it will redirect the HTTP/HTTPS traffic to the server.
1:1 NAT is in the Security gateway> Firewall, take the following screenshot for the instance, select which WAN as server's uplink and LAN IP is your server and can specify which IPs can access it in "Allowed Remote IP".
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