How to make SaaS application accessible only on intranet?



  • We are a SaaS-based product but one of the client requirement is to make our application accessible only on their intranet. Is that even possible?



  • Yes, it's possible.

    Usually a company will have a border gateway that will NAT every request to the outside world, so every employee inside their network will be seem outside as having this only IP (or a few ones for load balancing). Even if this is not the case and every computer inside their network have a routable public IP, it can be done.

    You only have to configure your firewall to only allow that IP (or that range).

    If their IP is dynamic, you have to configure a VPN for that. You could create a tunnel between their network and your platform, so nobody outside their network can reach your application.


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