HP Systems Insight Manager - Manual (Page 167)

In the above example, 10.1.1.1 is the host running HP SIM and 10.1.2.3 is the host running the
authenticator.
Also note that if the value of “proxy.auth.request.url” parameter needs to be overridden by the
URL parameter, then launch HP SIM with the complete URL.
https://10.1.1.1:50000/?isProxyAuth=1&proxy.auth.request.url=https://10.1.2.3/token/
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How to use Proxy authenticator 167