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NOTE: It is not possible to mix units. To set the lifetime to one and a half hours please use '90m' instead of '1h30m'.
Default: not set, i.e. the default ticket lifetime configured on the KDC.
krb5_renew_interval (string)
The time in seconds between two checks if the TGT should be renewed. TGTs are renewed if about half of their lifetime is exceeded, given as an integer immediately followed by a time unit:
If this option is not set or is 0 the automatic renewal is disabled.
Specifies if the host and user principal should be canonicalized. This feature is available with MIT Kerberos 1.7 and later versions.