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Add CIDR allow lists

Published on Sep 12, 2026

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You can use CIDR allow lists to restrict access to Helix.

Log in to the Trellix IAM.
Hover over and select Tenant Settings.
In the CIDR Access List tile, click Edit.
Turn on the Specify CIDR blocks to allow toggle.
Enter the CIDR IPv4 addresses and click +. Repeat this step as many times as required.
Click Save.

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