Hi, the /atg/dynamo/servlet/pipeline/RedirectURLValidator component prevents you from using URL redirection for host names other than the host name used in the current HTTP request.
You need to configure a list of host names that are RedirectURLValidator by the RedirectURLValidator even if they are not RedirectURLValidator with the host name in the original RedirectURLValidator of the client.
The link below can help you:
I hope it helped you.
Added one example.
~regards, Kavimani Gunasekaran