zlint ☆
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Description:
X.509 Certificate Linter focused on Web PKI standards and requirements
Type: Formula  |  Latest Version: 3.6.8@0  |  Tracked Since: Nov 2, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: security certificates x509 web-pki linting compliance
Install: brew install zlint
About:
zlint is an X.509 certificate linter that validates certificates against Web PKI standards and requirements. It provides a comprehensive suite of pre-defined and custom lints to ensure certificate compliance with industry best practices. The tool helps identify misconfigurations and policy violations before certificates are deployed to production.
Key Features:
  • Comprehensive linting suite for X.509 certificates
  • Support for custom lints and policy enforcement
  • Fast, efficient validation suitable for automation
  • Web PKI standards compliance checking
Use Cases:
  • Pre-deployment certificate validation in CI/CD pipelines
  • Auditing existing certificate inventory for compliance issues
  • Enforcing organizational certificate policies
Alternatives:
  • OpenSSL – General-purpose SSL/TLS toolkit with basic certificate verification, while zlint provides specialized, comprehensive certificate linting
  • certlint – Similar certificate linter, but zlint offers more comprehensive Web PKI-specific checks and custom lint support
Version History
Detected Version Rev Change Commit
Nov 2, 2025 8:37pm 0 VERSION_BUMP dd0ad5e5
Oct 10, 2025 1:37am 0 VERSION_BUMP 756b7b22
Sep 11, 2025 7:17pm 0 VERSION_BUMP c9c6e9e9
Jan 12, 2025 8:14pm 0 VERSION_BUMP 84a2c899
Oct 12, 2024 5:14pm 0 VERSION_BUMP 4027deac
Sep 11, 2024 3:09pm 0 VERSION_BUMP e4644756
Aug 4, 2024 3:54pm 0 VERSION_BUMP 59d5d231
Apr 14, 2024 1:32pm 0 VERSION_BUMP ef29d132
Jun 11, 2023 6:40pm 0 VERSION_BUMP 3a10f63d
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