Free and open source zero trust server providing BeyondCorp security for authenticated access to web applications and SSH.

Pritunl Zero creates an authentication layer in front of existing web applications. No modifications to the existing web application is required. For SSH servers Pritunl Zero will maintain a certificate authority and provide controlled SSH access with additional layers of authentication.

Network Policy Control
Control access based on permitted and blocked networks.

Multi-Factor Authentication
Require multi-factor authentication from providers with secondary authentication support including Duo, OneLogin Protect and Okta Verify.

WebAuthn Device Authentication
Authenticate users with hardware WebAuthn tokens including the YubiKey and Google Titan Security Key.
When users access internal web applications they will be prompted to complete authentication and fulfill any configured policy requirements.


Automatically create SSL certificates from Lets Encrypt with support for HTTP validation on port 80 or DNS CNAME validation using AWS, Cloudflare or Oracle Cloud support DNS APIs. Wildcard certificates are supported when using DNS CNAME validation. Certificates will automatically renew allowing effortless management of certificates for the internal web applications.
Pritunl Endpoint provides monitoring of Linux endpoints with log storage. Detailed charting for system activity and usage allows for a quick overview of infrastructure health.

Securely deploy authenticated access to thousands of users using their existing company account with support for several single sign-on providers and protocols.
Install and configure an authenticated Visual Studio Code server using the Pritunl Zero command line configuration tools.

Web Application Gateway
Add a nearly seamless layer of authentication to your existing internal web applications without impact usability or device support. Pritunl Zero works with all existing web browsers without requiring any additional software on the client.
Multi-Factor Authentication
Multifactor secondary authentication from Duo, OneLogin Protect, Okta Verify and any WebAuthn hardware token including YubiKeys.
High Availability
All nodes run independently and will continue running in the event of other nodes failing. Additional nodes can be added and removed as needed.
Open Source Code Base
All source code for Pritunl Zero is available on GitHub, allowing for transparency and customization. Information for installing Pritunl Zero from source is available on the repository.
Detailed auditing of user events with location data.

Monitor and control user sessions with detailed device and location information.

Manage users WebAuthn tokens from the administrator console or allow the user to validate their own WebAuthn token.

Replace expensive commercial zero trust solutions with a free and open source alternative.
Teleport Alternative
Free alternative to Gravitational Teleport with faster implementation.
Okta Advanced Server Access Alternative
Open source and free alternative to Okta Advanced Server Access.
Pritunl Cloud is free to use with no limits on the number of servers or users. An optional subscription provides enterprise features including multi-tenant support, single sign-on and geo-IP data. The subscription can be activated from the admin web console at anytime. The paid subscription has no additional per-user or per-host charges.
Free
Free to use with no limits on servers or users.
$50/month
Free 7 day trial included.
Email and community forums available for support. Subscribe to the Substack for security and update announcements.