kerberos port numbers

[Douglas E. Engert]

Sounds like a good plan. Acording to IANA, 750/tcp is also assigned to rfile.
 

Ken Raeburn wrote:
> 
> For a long time, the MIT code has defaulted to contacting both ports
> 88 and 750 on the KDC.  Port 88 is the standard port for Kerberos 5;
> port 750 was the port used by Kerberos 4.  Once upon a time, it was
> not uncommon for systems to have a "kerberos" entry in /etc/services
> that referred to port 750.
> 
> I've recently been working on client-side TCP support, so we can talk
> to MS KDCs.  I don't think there's any point in trying port 750 with
> TCP.  Most systems should have correct /etc/services files by now, and
> we're not planning to do TCP support for Kerberos 4.  (Whether we'll
> go out of our way to make sure it doesn't work, when we get around to
> KDC-side TCP support, I don't know.)
> 
> My question is, do people think there's still any need to try port 750
> (and looking up service "kerberos-sec") by default for krb5 over UDP?
> How about having the KDC listening for krb5 traffic on port 750?
> 
> Unless there's a good reason to keep it, I'll probably drop the
> secondary-port support from the krb5 library; it'll simplify things.
> 
> Ken
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-- 

 Douglas E. Engert  <DEEngert at anl.gov>
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