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Topic: Kerberos


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  Kerberos: The Network Authentication Protocol
Downloads of MIT Kerberos source code and binaries are no longer restricted to the United States and Canada.
Kerberos is freely available from MIT, under copyright permissions very similar those used for the BSD operating system and the X Window System.
MIT provides Kerberos in source form so that anyone who wishes to use it may look over the code for themselves and assure themselves that the code is trustworthy.
web.mit.edu /kerberos/www   (620 words)

  
 Kerberos
Kerberos is designed to provide authentication of user identity in a networked computing environment consisting of workstations (used directly by one or more users) and servers (providing services such as email and shared file systems).
In Kerberos, a central authentication server certifies the identities of all entities (where an entity may be a user, a client application operating on behalf of a specific user, or a service provided by an application server).
Kerberos' main competition is SSL, an authentication technology developed by Netscape which uses certificates issued by Verisign to vouch for the client's identity.
www.obscure.org /~jafitz/250_p1/kerberos.htm   (2623 words)

  
 Kerberos - The Community's Center for Security
Kerberos is an authentication system developed by the Athena Project at MIT Kerberos is an authentication system developed by the Athena Project at MIT.
When a user logs in, Kerberos authenticates that user (using a password), and provides the user with a way to prove her identity to other servers and hosts scattered around the network.
The overall effect of installing Kerberos and the numerous other programs that go with it is to virtually eliminate the ability of users to "spoof" the system into believing they are someone else.
www.linuxsecurity.com /content/view/117270   (756 words)

  
 Kerberos Authentication
Kerberos for Windows or Mac works as a "ticket agent" between the applications that use Kerberos for authentication and the servers that they access.
Kerberos for Mac is a utility that allows programs to use Kerberos authentication on machines running Mac OS X 10.3 or higher.
The Kerberos for Mac installation automatically adds the Kerberos icon to the Dock area for the active user (the user who is logged in at the time of installation).
www.cmu.edu /computing/documentation/security/securenet.html   (2639 words)

  
 Cisco - Kerberos Overview- An Authentication Service for Open Network Systems
Kerberos requires a database of information about its clients; the Kerberos Database section describes the database, its management, and the protocol for its modification.
The security of Kerberos relies on the security of several authentication servers, but not on the system from which users log in, nor on the security of the end servers that will be used.
Kerberos also generates temporary private keys, called session keys, which are given to two clients and no one else.
www.cisco.com /warp/public/106/1.html   (7916 words)

  
 Kerberos: An Authentication Service for Computer Networks
Kerberos is a distributed authentication service that allows a process (a client) running on behalf of a principal (a user) to prove its identity to a verifier (an application server, or just server) without sending data across the network that might allow an attacker or the verifier to subsequently impersonate the principal.
Though conceptually, Kerberos authentication proves that a client is running on behalf of a particular user, a more precise statement is that the client has knowledge of an encryption key that is known by only the user and the authentication server.
Kerberos does not protect against the theft of a password through a Trojan horse login program on the user's workstation, but if the user's password were to change each time it was entered, a password stolen in this manner would be useless to an attacker.
gost.isi.edu /publications/kerberos-neuman-tso.html   (4609 words)

  
 Kerberos installation help
Kerberos is an authentication and encryption scheme that allows a user to become "known" by an authenticating server and then use that authentication to access systems and services on the net.
The philosophy behind the creation of Kerberos, and a short summary of how it works is available, but here we assume that you know what Kerberos is, and wish to implement a Kerberos domain on your network.
Kerberos credentials are used to achieve mutual authentication and to establish a master secret which is subsequently used to secure client-server communication.
www.ornl.gov /~jar/HowToKerb.html   (3417 words)

  
 Kerberos Infrastructure HOWTO   (Site not responding. Last check: 2007-10-19)
Finally, Kerberos will also prevent you from having to store password information locally on a machine, whether it is a workstation or server, thereby reducing the likelihood that a single machine compromise will result in additional compromises.
Kerberos includes the IP of the KDC in tickets, therefore difficulties authenticating may occur if the KDC is contacted on multiple interfaces by a client during an authentication session.
Kerberos is designed to be deployed with one primary master server, and one or more secondary slave servers.
www.cryptnet.net /fdp/admin/kerby-infra/en/kerby-infra.html   (5017 words)

  
 Kerberos protocol - Wikipedia, the free encyclopedia
Kerberos is a computer network authentication protocol, which allows individuals communicating over an insecure network to prove their identity to one another in a secure manner.
Kerberos prevents eavesdropping or replay attacks, and ensures the integrity of the data.
Authorities in the United States classified Kerberos as a munition and banned its export because it used the DES encryption algorithm (with 56-bit keys).
en.wikipedia.org /wiki/Kerberos_(protocol)   (1568 words)

  
 The Moron's Guide to Kerberos
The key innovation underlying Kerberos (and its predecessors) is the notion that the password can be viewed as a special case of a shared secret--something that the user and the service hold in common, and which (again ideally) only they know.
Kerberos, by default, does not use public-key cryptography, but there is an Internet-Draft (soon to be RFC), which I co-authored, that adds public-key cryptography to the initial authentication phase; I'll say more about this in a bit.
In Kerberos parlance, the former message is often called the user's credentials, the latter message is called the ticket, and the random key is called the session key.
www.isi.edu /~brian/security/kerberos.html   (3226 words)

  
 oreilly.com -- Online Catalog: Kerberos: The Definitive Guide
Microsoft, by integrating Kerberos into Active Directory in Windows 2000 and 2003, has extended the reach of Kerberos to all networks large or small.
Kerberos makes your network more secure and more convenient for users by providing a single authentication system that works across the entire network.
The book also covers both versions of the Kerberos protocol that are still in use: Kerberos 4 (now obsolete) and Kerberos 5, paying special attention to the integration between the different protocols, and between Unix and Windows implementations.
www.oreilly.com /catalog/kerberos   (738 words)

  
 Kerberos page
All versions of the kerberos server are vulnerable to a protocol bug in the kerberos v4 cross-realm operation.
The long-term fix is to migrate to Kerberos v5.
Kerberos Authentication in Sun RPC, Carl Smith, 1993.
www.pdc.kth.se /kth-krb   (437 words)

  
 HP OpenVMS systems - Kerberos
Kerberos is a network authentication protocol designed to provide strong authentication for client/server applications by using secret-key cryptography.
Kerberos was created by the Massachusetts Institute of Technology as a solution for network security.
Kerberos for OpenVMS is supplied by HP under the terms of the license from the Massachusetts Institute of Technology.
h71000.www7.hp.com /openvms/products/kerberos   (337 words)

  
 Frequently Asked Questions about Kerberos
Kerberos is freely available from MIT, under a copyright permission notice very similar to the one used for the BSD operating and X11 Windowing system.
The MIT Kerberos 5 KDC stores the key salt algorithm along with the principal name, and that is passed back to the client as part of the authentication exchange.
Kerberos principals can be disabled at will on the KDC and will then become unusable as soon as any cached tickets expire, on the order of hours, without any action by servers.
www.cmf.nrl.navy.mil /CCS/people/kenh/kerberos-faq.html   (16482 words)

  
 Kerberos   (Site not responding. Last check: 2007-10-19)
In Kerberos, this might be a ticket whose use is restricted by the contents of the authorization data field, but which lists no network addresses, together with the session key necessary to use the ticket.
A ticket plus the secret session key necessary to successfully use that ticket in an authentication exchange.
In the Kerberos system, a session key is generated by the KDC.
www.networksorcery.com /enp/protocol/kerberos.htm   (615 words)

  
 Kerberos - Wikipedia, the free encyclopedia
Kerberos, the hound of Hades, also known as Cerberus
Kerberos (saga), a science fiction series by Mamoru Oshii
Kerberos, a more common name for Cerberus (Cardcaptor Sakura)
en.wikipedia.org /wiki/Kerberos   (99 words)

  
 What is Kerberos? - A Word Definition From the Webopedia Computer Dictionary
Kerberos is designed to enable two parties to exchange private information across an otherwise open network.
The ticket is then embedded in messages to identify the sender of the message.
Provides links to general information, programming and user resources, distributions, and authentication information for Kerberos.
www.webopedia.com /TERM/K/Kerberos.html   (138 words)

  
 How to configure a Windows SharePoint Services virtual server to use Kerberos authentication and how to switch from ...
The NTLM protocol is a secure protocol that is based on encrypting user names and passwords before sending the user names and passwords over the network.
If you choose Kerberos authentication and cannot configure the SPN, only server administrators will be able to authenticate to the SharePoint site.
If you chose Kerberos authentication when you created the SharePoint Central Administration or content virtual servers, but you have to switch back to NTLM authentication, you can use a script to enable NTLM authentication on the virtual server.
support.microsoft.com /?id=832769   (1276 words)

  
 Heimdal
Kerberos 5, largely written in Sweden (which was important when we started writing it, less so now).
It is freely available under a three clause BSD style license.
2004-05-06: Kerberos 4 buffer overrun in Heimdal kadmin
www.pdc.kth.se /heimdal   (142 words)

  
 The Kerberos Network Authentication Service   (Site not responding. Last check: 2007-10-19)
The Kerberos authentication system supports strong authentication on such networks.
Click here for the MIT Kerberos web page.
Raeburn, Advanced Encryption Standard (AES) Encryption for Kerberos 5 (RFC3962), February 2005.
www.kerberos.info   (115 words)

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