OpenConnect VPN Server (ocserv)
The facts below are what the maker publishes about OpenConnect VPN Server (ocserv), checked and dated. Our editors have not written about it yet.
Plans and prices
From OpenConnect VPN Server (ocserv)'s own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| OpenConnect VPN Server (ocserv) | Free | Open-source Linux SSL VPN server · GPLv2 |
The facts
Each one read from OpenConnect VPN Server (ocserv)'s own pages, with the date it was checked.
What it does
- Access model
- vpnchecked 22 Sep 2026
- Accounting
- Client usage statistics are available through an API or the RADIUS accounting protocol.checked 11 Oct 2026
- Admin control level
- advancedchecked 22 Sep 2026
- Authentication
- Authentication options include PAM, RADIUS, password files, HOTP/TOTP, OpenID Connect, smart cards, certificates, and Kerberos with GSSAPI/SPNEGO.checked 11 Oct 2026
- Client compatibility
- The ecosystem page lists OpenConnect clients, a Windows graphical client, AnyLink Secure Client, Cisco AnyConnect, and Clavister OneConnect as compatible clients.checked 11 Oct 2026
- Client isolation
- Each client runs in an isolated seccomp process with a separate network device and IP, while privilege separation divides the main process from client workers.checked 11 Oct 2026
- Networking
- ocserv supports IPv4 and IPv6, HTTPS port sharing, the Proxy Protocol, and routes pushed between server and client.checked 11 Oct 2026
- Operations
- Administrators can query statistics and issue commands interactively or through the JSON API in occtl.checked 11 Oct 2026
- Packages
- The maker lists packages for Ubuntu, RHEL/CentOS, Fedora, Debian, FreeBSD, OpenBSD, OpenWRT, and VyOS.checked 11 Oct 2026
- Purpose
- ocserv is an open-source Linux SSL VPN server designed for organizations needing remote access VPN with enterprise user management and control.checked 11 Oct 2026
- Release signing
- The download page says all releases are signed with the project's PGP key.checked 11 Oct 2026
- Resilience
- It uses a primary UDP/DTLS VPN channel and a TCP/TLS control and backup channel.checked 11 Oct 2026
- Resource controls
- Administrators can set per-client or per-group bandwidth and network-priority limits and confine clients to specific cgroups.checked 11 Oct 2026
- Scale
- The project says connected-client capacity and processing scale with CPU count, and its compact memory footprint lets less costly hosts handle thousands of clients.checked 11 Oct 2026
- Security
- The server uses TLS and Datagram TLS and supports protecting its server key with a TPM or hardware security module.checked 11 Oct 2026
- Site-to-site networking
- Yeschecked 22 Sep 2026
- SSO / SCIM
- Yeschecked 22 Sep 2026
- Support
- The project directs users to its plain-text mailing list for help and accepts bug reports through the mailing list or issue tracker.checked 11 Oct 2026
Where it runs
- Supported platforms
- Linux; FreeBSD; OpenBSD; other BSD-derived systemschecked 22 Sep 2026
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