CA API Gateway - Unable to obtain HTTP response - Fatal Alert received: {48}

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Article ID: 194881

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Updated On:

Products

CA API Gateway

Issue/Introduction

Problem routing to https://xxx/xxx/xxx.

Error msg: Unable to obtain HTTP response from https://xxx/xxx/xxx: Fatal Alert received: {48}

 

Cause

The TLS protocol defined fatal alert code is 48." The error means: "Received a valid certificate chain or partial chain, but the certificate was not accepted because the CA certificate could not be located or could not be matched with a known, trusted CA.

Environment

Release : 9.x or 10

Component : API GATEWAY

Resolution

Check to ensure your endpoint is properly configured from a Gateway Certificate perspective

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/layer7-api-management/api-gateway/9-4/security-configuration-in-policy-manager/tasks-menu-security-options/manage-certificates/manage-certificate-validation.html