Difference between revisions of "Kerberos"
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↑ https://linux.die.net/man/5/krb5.conf
↑ https://linuxconfig.org/how-to-install-kerberos-kdc-server-and-client-on-ubuntu-18-04
↑ https://linuxconfig.org/how-to-install-kerberos-kdc-server-and-client-on-ubuntu-18-04
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[[wikipedia:Kerberos (protocol)|Kerberos]] is a computer-network [[authentication protocol]] that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner. Kerberos uses [[UDP]] port 88 by default | [[wikipedia:Kerberos (protocol)|Kerberos]] is a computer-network [[authentication protocol]] that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner. Kerberos uses [[UDP]] port 88 by default | ||
| − | At least two implementations are available, [Heimdal]( https://www.h5l.org/) and | + | At least two implementations are available, [Heimdal]( https://www.h5l.org/) and ([[MIT]])(https://web.mit.edu/kerberos/). |
[[OpenSSH]] implements Kerberos support [[OpenSSH release notes|since early versions]]. | [[OpenSSH]] implements Kerberos support [[OpenSSH release notes|since early versions]]. | ||
Revision as of 12:59, 13 July 2020
Kerberos is a computer-network authentication protocol that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner. Kerberos uses UDP port 88 by default
At least two implementations are available, [Heimdal]( https://www.h5l.org/) and (MIT)(https://web.mit.edu/kerberos/).
OpenSSH implements Kerberos support since early versions.
A Kerberos realm is the domain over which a Kerberos authentication server has the authority to authenticate a user, host or service. A realm name is often, but not always the upper case version of the name of the DNS domain over which it presides.
Configuration files
Commands
Activities
- Install Kerberos KDC Server and Client in Linux:
apt install krb5-kdc krb5-admin-server krb5-config -y[2] - Understand why time synchronization and DNS plays an important role in order to work KDC properly[3]
- Read about SPNEGO
Related terms
See also
- AAA, Kerberos, KDC,
kinit, klist, ktutil, /etc/krb5.conf, krb5-workstation, pam_krb5 - AAA: Authc, Authz, Password policy, OAuth, OpenID, OIDC, LDAP, RADIUS, TACACS+, XTACACS, SAML, Secure LDAP, IEEE 802.1X, CHAP, RBAC, MFA, SCIM, Amazon Cognito
- OpenSSH:
ssh-keygen
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