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000152_news@newsmaster….columbia.edu _Thu Oct 15 15:52:52 1998.msg
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From: jaltman@watsun.cc.columbia.edu (Jeffrey Altman)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: K95 && KRB5 without encryption??
Date: 15 Oct 1998 19:52:50 GMT
Organization: Columbia University
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In article <7055b9$jst$1@news.ox.ac.uk>,
Neil Long <neil.long@oucs.oxford.ac.uk> wrote:
:
: Hello
: K95 ver 1.1.17 has 'support' for Kerberos but what is not clear to me is
: whether the export version would enable authentication (and therefore no
: clear text passwords!) without encrypted sessions. The former being OK
: but the latter falling under ITAR.
K95 does support Kerberos 4, Kerberos 5 authentication without encryption
of the data stream when a recognized Kerberos API is installed.
: There are various Kerberos packages available (legally) outside the US/Canada
: so getting a K4 or K5 server/realm setup is not a problem but good PC apps
: which could radically reduce the impact of network sniffers are few and
: far between.
: When I try 1.1.17 and 'auth krb5 init {principal}
: I get
: ?Kerberos is not installed
:
: but 'check kerberos' gives
: kerberos available
CHECK KERBEROS means that K95 was compiled with Kerberos support.
IF AVAILABLE {K4, K5} can be used as a test for whether or not a recognized
API is available. See the online docs.
K95 supports the MIT LEASH API for K4, and the KerbNet and MIT APIs for K5.
: It would be a Good Thing if K95 would enable kerberised authentication even
: if sessions are not encrypted, after all SSH is widely used and even SRP can be
: implemented with a bolt-on crypto library.
SRP is built-in to K95 and can be used without any additional libraries.
: On the other hand, maybe I am missing something obvious. I did create KRB.CON and
: KRBREALM.CON files - which seem KRB4-ish in syntax, is there a difference for
: KRB5??
K95 does not come with the Kerberos library. You need to get Kerberos
from another source. As per the docs, please read the section on
"Network Security Methods" in the K95 online manual.
Jeffrey Altman * Sr.Software Designer * Kermit-95 for Win32 and OS/2
The Kermit Project * Columbia University
612 West 115th St #716 * New York, NY * 10025
http://www.kermit-project.org/k95.html * kermit-support@kermit-project.org