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Use the IP Restriction policy to restrict access based on the client IP address of the request. If the request does not meet the configured requirements, it is rejected with a 403 Forbidden error.

Restricting access to Tasks based on the client’s IP address is an extra layer of security for protecting your Snaplex nodes. By analyzing the access logs on the nodes, you can determine the range of IP addresses in use, and you can configure this policy accordingly.

Note
titleLoad Balancer Prerequisite

You must configure the Groundplex load balancer correctly to forward the client IP address to the API endpoint. Only when the client IP address is captured correctly can the blocked IP address be displayed accurately in the error message for the 403 error.

Policy Execution Order

This IP Restriction policy executes early in request processing to limit the effects of excessive requests from blocked IP addresses.

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nameExpression Enabled Fields
pageAnonymous Authenticator

Parameter NameDescriptionDefault ValueExample
LabelRequired. The name for the API policy.IP RestrictionIP-Restriction-DevShared
When this policy should be applied

An expression enabled field that determines the condition to be fulfilled for the API policy to execute.

Truerequest.method == “POST”
Allowlist IPsThe list of IP ranges that are to be allowed. If empty, only the Denylist ranges will be considered.N/AN/A
Start IPThe starting IP address of the range.N/A203.0.113.0
End IPThe ending IP address of the range (inclusive). If this value is not given, the starting IP will be used, effectively allowing only that IP address.N/A203.0.113.8
DescriptionThe description of the range.N/ADevShared
Denylist IPs

The list of IP ranges that are to be blocked. If there are also IPs on the Allowlist, the Denylist takes precedence.

N/AN/A
Start IPThe starting IP address of the range.N/A192.0.2.10
End IPThe ending IP address of the range (inclusive). If this value is not given, the starting IP will be used, effectively allowing only that IP address.N/A192.0.2.11
DescriptionThe description of the range.N/A3rd_party_users