Vikash,
You can see what cas is doing with logout:
<!-- INFO Performing logout operations for [TGT-...]
[number] logout requests were processed
DEBUG ST, principal and URL -->
<Logger name="org.apereo.cas.logout.DefaultLogoutManager" level="info">
<Filters>
<ThresholdFilter level="INFO" onMatch="ACCEPT"
onMismatch="NEUTRAL" />
<RegexFilter regex="Captured logout request.*"
onMismatch="DENY" />
</Filters>
</Logger>
<!-- DEBUG preparing, processing and logout with URL and ST -->
<Logger name="org.apereo.cas.logout.slo" level="warn" />
<!-- DEBUG outbound and inbound headers and response as it is sent -->
<Logger name="org.apache.hc.client5.http.wire" level="warn" />
Best to check these in dev first.
There may be some OIDC specific logging you could try; I have not explored OIDC
logging.
Ray
________________________________
From: [email protected] <[email protected]> on behalf of Vikash Chandra
Ansh <[email protected]>
Sent: August 14, 2026 09:03
To: CAS Community <[email protected]>
Subject: [cas-user] Global logout as back channel using OIDC
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Hi team,
I have approx 10 application integrated with Apereo CAS. Few of them are using
CAS protocol and 2 are using OIDC. I want to implement back channel logout in
these two OIDC applications. Could you suggest the changes.
I have added in JSON as logout type = back-channel and then provided logout url.
If I am doing logout from OIDC application 1, I would expect it should logout 2
as well.
Cas version is 7.3
M i missing any configuration
Thanks
Vikash Chandra
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