Baron,

You can try these loggers set to trace. I think most of the protocol stuff is 
handled by pac4j.

        <AsyncLogger name="org.apereo" level="${sys:cas.log.level}" 
includeLocation="true"/>
        <AsyncLogger name="org.pac4j" level="${sys:pac4j.log.level}" 
includeLocation="true"/>
        <!-- DEBUG outbound and inbound headers and response-->
        <AsyncLogger name="org.apache.http" level="debug" />

And spend the next 2 d crawling through the output ;)

Ray

P.S. careful with credentials in the logs

On Thu, 2022-06-16 at 07:38 -1000, Baron Fujimoto wrote:
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Is there a way to log or trace the actual CAS protocol messages exchanged with 
a client? The logs provide a wealth of details, but not the actual protocol 
messages exchanged that I've found. We haven't really used Aperero's CAS for 
SAML yet, but I know the Shibboleth IdP can do this, and there are SAML trace 
browser extensions as well. I'm hoping for something analogous for the CAS 
protocol stuff specifically.

--
Baron Fujimoto <ba...@hawaii.edu<mailto:ba...@hawaii.edu>> ::: UH Information 
Technology Services
minutas cantorum, minutas balorum, minutas carboratum descendus pantorum

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