A GlobalProtect VPN client for Linux, written in Rust, based on OpenConnect and Tauri, supports SSO with MFA, Yubikey, and client certificate authentication, etc.

Key Vault integration with API Management so that secrets and certificates are stored in a FIPS 140-2 Level 2 compliant HSM.

Use easy-rsa to build and manage a PKI/mTLS CA

The Client Certificate Authentication/mTLS Architecture in NGINX

HTTPS client implementation in C using mutual TLS (mTLS) authentication.

The Client Certificate Authentication/mTLS Architecture in Haproxy

A PoC to check Service to Service authentication using two-way SSL.

The Client Certificate Authentication/mTLS Architecture in Apache

Automates YubiKey setup for mutual TLS (mTLS) in an NGINX environment, handling cryptographic keys and certificates, with configurable PIN, PUK, and Management Key settings.

OpenSIPS server with PhoneX modifications and improvements, e.g., client certificate authentication

Use mTLS authentication at Eclipse Mosquitto An open source MQTT broker

OpenVPN OTP token support plugin (username from certificate)

DokuWiki client certificate auth plugin

Mosquitto SSL Configuration - MQTT TLS Security