14.8. Configuring individual authentication indicator ticket policies for a user


As an administrator, you can define Kerberos ticket policies for a user that differ per authentication indicator. For example, you can configure a policy to allow the IdM admin user to renew a ticket for two days if it was obtained with OTP authentication, and a week if it was obtained with smart card authentication.

These per-authentication indicator settings will override the user’s default ticket policy, the global default ticket policy, and any global authentication indicator ticket policy.

Use the ipa krbtpolicy-mod username command to set custom maximum lifetime and maximum renewable age values for a user’s Kerberos tickets depending on the authentication indicators attached to them.

Procedure

  1. For example, to allow the IdM admin user to renew a Kerberos ticket for two days if it was obtained with One-Time Password authentication, set the --otp-maxrenew option:

    [root@server ~]# ipa krbtpolicy-mod admin --otp-maxrenew=$((2*24*60*60))
      OTP max renew: 172800
  2. Optional: To reset the ticket policy for a user:

    [root@server ~]# ipa krbtpolicy-reset username

Verification

  • Display the effective Kerberos ticket policy that applies to a user:

    [root@server ~]# ipa krbtpolicy-show admin
      Max life: 28800
      Max renew: 86640
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