Re: help with OTP

Hi BuzzSaw,

Thanks for the reply!

On Tue, Apr 25, 2023 at 1:33 PM BuzzSaw Code <[email protected]> wrote:
>
> What we did:
> - in your kdc.conf:
>
> [otp]
>    DEFAULT = {
>         server = localhost6:1812
>         secret = secrettfile
>         strip_realm = true
>    }
>
> This assumes your kdc runs a local RADIUS server that will answer up
> OTP requests.  Change as needed.


Got it.

>
>
> - create the file 'secretfile' with your shared RADIUS secret in the
> same directory as kdc.conf
>
> - kadmin -q 'addprinc -randkey WELLKNOWN/ANONYMOUS'


-randkey. Do I need to know what the passphrase is?

>
> - kadmin -q 'modprinc +requires_preauth user
> - kadmin -q 'setstr user otp []'
>
> Testing:
>
> Get an initial TGT with anonymous auth
> - kinit -n -c /tmp/somecache


I tried this, but it prompted me:

$ kinit -n -c /tmp/somecache
Password for WELLKNOWN/[email protected]:
kinit: Password incorrect while getting initial credentials

...so I went and changed the password for the WELLKNOWN/ANONYMOUS
principal. Then...

$ kinit -n -c /tmp/somecache
Password for WELLKNOWN/[email protected]:
kinit: Reply has wrong form of session key for anonymous request while
getting initial credentials

I've never requested anonymous credentials before.

Does anyone know how to correctly request them?

Thanks,

-m

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