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Question

External IP

  • April 17, 2026
  • 2 replies
  • 38 views

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What is the best practice for configuring IP rules on APIs when the servers’ external IP addresses change frequently?

2 replies

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Hi ​@Higor 

3 options on this one.

Use a reverse proxy that has static IP to call and can route to PS Cloud from that specific IP all the time.
Configure new IP’s on your API rules each time.
Allow access from any IP and add as much security as possible to the API registration.

I don’t know what we are try to accomplish, if you present your use-case we might be able to provide a better answer.

KR Jens


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  • Author
  • Trailblazer
  • April 24, 2026

Thanks, Jens.
My use case is quite simple. I need to integrate Tenable.io (cloud) to retrieve credentials from Password Safe Cloud.

What I’ve noticed is that the external public IP address used by the Tenable on‑prem scanner changes frequently, which causes issues with my API IP allowlist rules.