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如何解决用户无法进行 IPA/IDM 身份验证,有 PAC 问题 - S4U2PROXY_EVIDENCE_TKT_WITHOUT_PAC 错误

Solution In Progress - Updated -

Issue

升级到 RHEL 8.9 或 RHEL 9.3 后,大多数 IPA 用户都无法登录到 WebUI 或 kinit,并显示类似如下的错误

 GSSAPI Error: Unspecified GSS failure. Minor code may provide more information (Credential cache is empty)

因此,ipa 命令都会失败

# ipa -d user-show
...
File "/usr/lib/python3.6/site-packages/ipalib/rpc.py", line 730, in single_request response.msg)
xmlrpc.client.ProtocolError: ... 401 Unauthorized>

IPAkrb5kdc.log 中,可以看到 staple 错误

S4U2PROXY_EVIDENCE_TKT_WITHOUT_PAC

Environment

RHEL 8.9, ipa-server-4.9.12-11 +
RHEL 9.3, ipa-server-4.10.2-5 +

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