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OpenVPN 2.5-beta4 released

Posted: Fri Sep 11, 2020 4:56 pm
by samuli
The OpenVPN community project team is proud to release OpenVPN 2.5-beta4. Source code and Windows installers can be downloaded from our download page. Debian and Ubuntu packages are available in the official apt repositories. On Red Hat derivatives we recommend using the Fedora Copr repository.

The 2.5-beta4 release includes important fixes to the Windows MSI installers, plus some smaller fixes to OpenVPN itself.

OpenVPN 2.5 is a new major release with many new features:
  • Client-specific tls-crypt keys (--tls-crypt-v2)
  • Added support for using the ChaCha20-Poly1305 cipher in the OpenVPN data channel
  • Improved Data channel cipher negotiation
  • Removal of BF-CBC support in default configuration
  • Asynchronous (deferred) authentication support for auth-pam plugin
  • Deferred client-connect
  • Faster connection setup
  • Netlink support
  • Wintun support
  • IPv6-only operation
  • Improved Windows 10 detection
  • Linux VRF support
  • TLS 1.3 support
  • Support setting DHCP search domain
  • Handle setting of tun/tap interface MTU on Windows
  • HMAC based auth-token support
  • VLAN support
  • Support building of .msi installers for Windows
  • Allow unicode search string in --cryptoapicert option (Windows)
  • Support IPv4 configs with /31 netmasks now
  • New option --block-ipv6 to reject all IPv6 packets (ICMPv6)
More details on these new features as well as a list of deprecated features and user-visible changes are available in Changes.rst.

For generic help use these support channels:
Please report bugs and ask development questions here: