Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

CX_280703's avatar
CX_280703
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May 07, 2017

Invalid Session ID. Your session may have expired - during kerberos auth

I have an IdP setup that is doing client side kerberos auth before then sending on a SAML token to an SP. I have an intermittant issue were sometimes using the kerberos auth It seems to fail and send...
BIG-IP Access Policy Manager (APM)
idp
kerberos
saml
security
CX_280703's avatar
CX_280703
Icon for Nimbostratus rankNimbostratus
May 07, 2017

It seems to help if I change "Max Logon Attempts Allowed" from 1 to 3 in the Kerberos Auth. What does this setting this actually do? and should this help?