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SSHD:gssapi-with-mic オプションを使用した Kerberos ベースの SSO ログインに失敗する

Solution In Progress - Updated -

Issue

  • gssapi-with-mic オプションを使用した Kerberos ベースの SSO ログインは、以下のエラーで失敗します。
$ ssh -o PreferredAuthentications=gssapi-with-mic -Kvvv `hostname -f`
.
.
debug1: Authentications that can continue: gssapi-keyex,gssapi-with-mic,password
debug3: start over, passed a different list gssapi-keyex,gssapi-with-mic,password
debug3: preferred gssapi-with-mic
debug3: authmethod_lookup gssapi-with-mic
debug3: remaining preferred:
debug1: No more authentication methods to try.
Permission denied (gssapi-keyex,gssapi-with-mic,password).

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • SSSD
  • Kerberos
  • Openssh

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