krb5 ☆
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Description:
Network authentication protocol
Type: Formula  |  Latest Version: 1.22.1@0  |  Tracked Since: Nov 10, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: authentication security networking protocol encryption
Install: brew install krb5
About:
Kerberos is a network authentication protocol designed to provide strong authentication for client/server applications using symmetric-key cryptography. It verifies the identity of principals and enables secure communication over insecure networks by issuing tickets. This formula provides the essential libraries and utilities needed to implement Kerberos authentication on macOS systems.
Key Features:
  • Mutual authentication between clients and servers
  • Ticket-based system to avoid transmitting passwords
  • Support for single sign-on (SSO) capabilities
  • Cross-platform compatibility and standard compliance
Use Cases:
  • Authenticating users to network services like SSH, NFS, or IMAP
  • Securing internal enterprise infrastructure and directories
  • Developing applications that require secure identity verification
Alternatives:
  • OAuth 2.0 – Modern token-based authorization framework often used for web APIs, whereas Kerberos is strictly an authentication protocol.
  • LDAP – Directory service often used alongside Kerberos for storing user data, but lacks the ticket-based security features of Kerberos.
Version History
Detected Version Rev Change Commit
Nov 10, 2025 7:38pm 0 VERSION_BUMP 0d9b088c
Nov 7, 2025 9:36am 0 VERSION_BUMP 4c7d8c1e
Sep 10, 2025 9:49am 0 VERSION_BUMP 4bf9dca5
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