[OpenAFS] OpenAFS 1.6.5 on OSX

[Jeffrey Altman]

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On 4/26/2015 5:55 AM, Turbo Fredriksson wrote:
> But aklog don't want to work:
>=20
> 	Turbo-Fredrikssons-MacBook:~ turbo$ aklog -d
> 	Authenticating to cell int.bayour.com (server Celia.bayour.com).
> 	Trying to authenticate to user's realm INT.BAYOUR.COM.
> 	Getting tickets: afs/int.bayour.com@INT.BAYOUR.COM
> 	Kerberos error code returned by get_cred : -1765328228
> 	aklog: Couldn't get int.bayour.com AFS tickets:
> 	aklog: unknown RPC error (-1765328228) while getting AFS tickets
>=20
> Apparently that error indicates that it can't reach 'something' (unsure=

> of what - haven't found a good google search to revile anything).

-1765328228 (krb5).156 =3D Cannot contact any KDC for requested realm

It means that the Kerberos library cannot find the KDCs for your realm
via DNS SRV records or local configuration.


> I've been trying to add 'stuff' to the krb5.conf file, but none seems
> to be working (from an OpenAFS standpoint anyway):
>=20
> 	Turbo-Fredrikssons-MacBook:~ turbo$ cat /etc/krb5.conf

I believe the correct system path for krb5.conf on OSX is

/Library/Preferences/edu.mit.Kerberos


> 	[libdefaults]
> 		 default_realm =3D INT.BAYOUR.COM
> 		 allow_weak_crypto =3D true
> =09
> 		 forwardable =3D true
> 		 proxiable =3D true

Do you really want proxiable tickets?

> =09
> 		 dns_lookup_kdc =3D false
> 		 dns_lookup_realm =3D false

DNS lookups are disabled.

> 		 allow_weak_crypto =3D true

This is specified twice.  Note that OSX Yosemite doesn't support weak
crypto under any circumstances and you must use non-DES keys for
Kerberos to address OPENAFS-SA-2013-003

  https://www.openafs.org/pages/security/#OPENAFS-SA-2013-003

Only OpenAFS 1.6.5 or later can be used with non-DES keys for OpenAFS.

> =09
> 	[domain_realm]
> 		.bayour.com =3D INT.BAYOUR.COM
> 		 bayour.com =3D INT.BAYOUR.COM
> =09
> 	[realms]
> 		 INT.BAYOUR.COM =3D {
> 		 	kdc =3D celia.bayour.com
> 		 	admin_server =3D celia.bayour.com
> 		}
> =09
> 	[logging]
> 		kdc =3D FILE:/var/log/kdc.log
> 		kdc =3D SYSLOG:INFO
> 		default =3D SYSLOG:INFO:USER
> =09
> 	[login]
> 		krb4_convert =3D true
> 		krb4_get_tickets =3D false

kerberos 4 is dead.




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