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Mabl static IP addresses

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Static IP Addresses

Traffic from mabl tests originates through a fixed set of IP addresses. Network administrators may have to set up firewall rules (allowlist, permitlist) to allow access to non-public testing and production environments.

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New Static IP Address CIDR Block will be effective 3 October 2022

The additional IP address range 34.132.2.128/28 will become active on 3 October 2022.
Users of mabl static IP addresses must update their network firewalls by this date for cloud test traffic to continue to reach their applications under test. Read more.

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Secure tunneling with mabl Link

Mabl Link and Static IPs are mutually exclusive features. Test traffic egress from the mabl cloud uses either Static IPs (default) or mabl link (if configured).

Read about mabl Link if you desire a more secure solution to testing private environments behind the corporate firewall.

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Applications under test hosted on Google Cloud Platform services

If your application under test is hosted by select Google Cloud Platform services, such as the following, traffic will appear to originate from the 0.0.0.0 address, because the test traffic will transit the internal Google Could network directly to your application.

  • Google App Engine
  • Google Cloud Run
  • Google Cloud Functions

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Test browser traffic from mabl

All cloud test traffic, webhook calls, and URL validation traffic will originate from the IP addresses listed in the Settings > Networking page.

Finding the IP addresses

The IP addresses used by mabl cloud tests are exposed on the Settings > Networking page.

  1. Login to the mabl application
  2. Visit Settings from the left-hand side menu
  3. Click the Networking tab
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Example of static IP addresses used by mabl browsers

The IP addresses are listed in CIDR block format. If your firewall doesn't use CIDR format, just drop the /32 from the address and use that in your firewall configuration.

Mabl uses standard ports HTTPS / TLS (443).

Communicating IP Address Changes

If mabl adds or removes static IP addresses, the change will be communicated via:

Limitations

  • Executing mabl tests locally with the mabl CLI will originate from their local host
  • Private static IP addresses are not yet available on a per workspace/customer basis
  • As mabl grows, more origin IPs may be added. Advance notice will be provided via mabl status where you can subscribe for update notifications.

Updated 6 months ago