active directory - Whether to use an SPN with a Kerberos loginmodule in JAAS -

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i building kerberos login module jaas used jconsole.

jconsole client used access process exposed mbeans, kerberos loginmodule authenticate user.

the user log in via jconsole, , jconsole pass user data loginmodule, username , password handled kerberos loginmodule , users credentials validated against central active directory.

i having problems configuration of kerberos. namely. require set of spn? or require single keytab set up?

if asking user username , password on console need neither keytab nor spn. need plugin jaas ask password. kerberos session initiated jaas login module , have tgt inside of app.

on other hand if planning accept existing kerberos session user ( current windows domain session ) need have spn in active directory, , user not prompted password application.

the keytab copy of key stored in kerberos database, need spn generate keytab. converse not true can obtain session key active directory providing spn password.


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