Kerberos

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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.

At least two implementations are available, [Heimdal]( https://www.h5l.org/) and [MIT](https://web.mit.edu/kerberos/) and OpenSSH implements support since early versions.

  • Binaries: ktutil, klist, kinit

Configuration files

  • /etc/krb5.conf[1]

Activities

  1. Install Kerberos KDC Server and Client in Linux: apt install krb5-kdc krb5-admin-server krb5-config -y[2]
  2. Understand why time synchronization and DNS plays an important role in order to work KDC properly[3]

See also

  • ↑ 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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