OpenVPN Access Server — enforce TOTP MFA + LDAP auth

This guide gives you a copy-and-paste OpenVPN Access Server configuration for Remote access (openvpn mfa totp ldap), plus the rationale behind each line and a free SafeCadence analyzer that scores your existing config against this same best-practice template.

What this snippet does

This OpenVPN Access Server template implements OpenVPN Access Server — enforce TOTP MFA + LDAP auth. It’s been distilled from vendor documentation, NIST SP 800-41 / SP 800-53, and CISA hardening guidance — and battle-tested by SafeCadence on real production engagements.

The configuration template

You can browse and copy the live snippet (with one-click copy + citations) from the SafeCadence Config Templates Library:

▶ Open the live template (with copy button)

Why this matters

  • Encrypts every byte across the WAN with vendor-recommended ciphers.
  • Enforces multi-factor for remote-access flows.
  • Aligns with NIST SP 800-77 (IPsec VPN guidance).

How to validate your config

Copy your existing OpenVPN Access Server running-config and paste it into the matching SafeCadence analyzer. The analyzer will tell you exactly which best-practice checks pass, which fail, and the per-finding fix:

Need help applying this in production?

SafeCadence offers paid engagements for OpenVPN Access Server hardening — change windows, validation, rollback, and knowledge transfer. Free 30-minute scoping consult.

📧 hello@safecadence.com

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