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AbAb 

Error when calling Extrnal webservice

Hello,

I have below error when i call a external webservce
 Inside Catch : failed to send data System.CalloutException: Unable to tunnel through proxy. Proxy returns "HTTP/1.0 403 Forbidden"

What can be potential reason
Best Answer chosen by Ab
GovindarajGovindaraj
Hi Sandrine,

This may help you:
req.setClientCertificateName('localhost');

Where 'localhost' is the name of a certificate under the "Certificate and Key Management" menu.

This can be done in an Apex Class. Here is a link to the method info: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_restful_http_httprequest.htm#apex_System_HttpRequest_methods

Thanks,
Govindaraj.S