OpenVPN 2.3 released

Hooray! After more than a year of development, OpenVPN version 2.3 has been released.

List of changes since version 2.2:

• Full IPv6 support
• SSL is now modular, which allows using not only OpenSSL, but also other libraries
• Ability to use PolarSSL instead of OpenSSL
• New API for direct access to certificates, improved logging API and redesigned for easier future support
• Added the environment variable 'dev_type', which takes the values ​​'TUN' or 'TAP' and can be used by scripts or plugins
• Added option --management-external-key to download RSA via management interface
• Added option --management-up-down - notifications about the rise / fall of the tunnel in the management interface
• Added option --x509-track option for more complete access to the X.509 fields from scripts and plug-ins through the new API for plug-ins (v3)
• Added option --client-nat support - one-to-one NAT to prevent IP address conflicts between networks
• Added option --mark, which can mark the encrypted packets going through the tunnel, for easier setup of routing and filewall
• Added option --management-query-proxy - setting up a proxy through the management interface
• Added option --stale-routes-check, which periodically cleans the internal routing table
• Added option --x509-username-field, with which you can use X.509v3 fields other than the Common Name to identify a user
• Added option --memstats - write user stats to memory-mapped binary files
• The auth-token command has been added to the client-side management interface, which allows you not to store the login and password in the memory in case of authorization by login / password, and instead use a temporary token.
• A remote command has been added in the client-side management interface that can override the --remote option in the config file.
• Improved client-kill command in management interface
• Improved support for UTF-8 and added the option --compat-names to return the old behavior if scripts or plugins break from this.
• Improved PAM authentication
• In the connection block, you can now use more options than before.
• New build system, easier to cross-compile and build under Windows.
• A lot of code has become better commented.
• Many documentation updates
• A large number of bug fixes and code cleansing
• New OpenVPN-GUI
• ... and a bunch of other changes that you can read about here.

Perhaps this is the best solution for VPN today.

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