openvpn-server-ldap-otp

openvpn-server-ldap-otp combines OpenVPN with LDAP-backed authentication and OTP (one-time password) verification (typically for MFA) so VPN access can be gated by directory attributes plus a time-based or token-based second factor.

Evaluated Apr 04, 2026 (25d ago)
Homepage ↗ Repo ↗ Infrastructure openvpn ldap otp mfa vpn authentication infrastructure
⚙ Agent Friendliness
20
/ 100
Can an agent use this?
🔒 Security
50
/ 100
Is it safe for agents?
⚡ Reliability
29
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
0
Documentation
20
Error Messages
0
Auth Simplicity
35
Rate Limits
0

🔒 Security

TLS Enforcement
60
Auth Strength
75
Scope Granularity
20
Dep. Hygiene
50
Secret Handling
40

Strengths: combines directory auth with an OTP second factor (MFA). Major security considerations for this class of deployment include ensuring TLS for OpenVPN and LDAP (LDAPS/StartTLS), secure storage/handling of OTP seeds/keys and LDAP bind credentials, and robust certificate/key management. Lack of observable package/manifests and deployment docs here prevents verifying dependency hygiene and exact secret-handling behavior.

⚡ Reliability

Uptime/SLA
0
Version Stability
40
Breaking Changes
40
Error Recovery
35
AF Security Reliability

Best When

You control the server infrastructure and can securely operate OpenVPN alongside LDAP and an OTP mechanism (including certificate management and directory/OTP configuration).

Avoid When

You need a turnkey, API-first integration with managed secrets and observability; or you cannot meet operational requirements (networking, LDAP availability, certificate/crypto hardening).

Use Cases

  • Provide VPN access to users authenticated against an LDAP directory
  • Add MFA (OTP) to VPN login flows using an external OTP provider/validator
  • Centralize access control for remote users with LDAP group/role checks plus OTP

Not For

  • Use as a standalone authentication provider without configuring LDAP/OTP components
  • Environments that require a fully managed SaaS experience or a simple hosted onboarding flow
  • Agent-driven programmatic integration (it is primarily an infrastructure/server configuration, not an API product)

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
No
SDK
No
Webhooks
No

Authentication

Methods: LDAP-backed authentication OTP-based second factor (MFA)
OAuth: No Scopes: No

Authentication is performed at the VPN/server access layer via LDAP and OTP; no API-style OAuth scopes apply.

Pricing

Free tier: No
Requires CC: No

No SaaS pricing information provided; this appears to be self-hosted infrastructure software.

Agent Metadata

Pagination
none
Idempotent
False
Retry Guidance
Not documented

Known Gotchas

  • This is primarily a server configuration/deployment; LLM agents may struggle without clear runbooks and safe deployment practices
  • Security-critical settings (LDAP bind credentials, OTP secrets, TLS/certificates) require careful handling; agents may accidentally log or mishandle secrets if not explicitly constrained
  • Operational failures (LDAP outages, OTP validator misconfiguration) will typically surface as connectivity/auth errors rather than machine-friendly API responses

Alternatives

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Scores are editorial opinions as of 2026-04-04.

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