The Windows installer was updated with OpenSSL 0.9.7l DLLs to fix published vulnerabilities. A TAP-Win32 bug that caused a BSOD on Windows Vista was fixed. The TAP-Win32 driver was upgraded to version 8.4.


Changes: The OpenVPN GUI is now packaged in the Windows installer. Extensions were made to Management Interface to allow greater programmatic control of the OpenVPN client and server. A topology subnet option was added, allowing intuitive tun-based VPN subnets having one IP address per client. DHCP proxy support was added for Windows clients using the route-gateway dhcp option. PKCS #11 features were added for using cryptographic tokens ("smart cards"). A multihome option was added to enable UDP-based multihoming of the server on multiple interfaces. A port-share option was added to allow OpenVPN and an HTTPS server to share TCP port 443.


Changes: Remaining issues with TAP driver signing on Vista x64 were worked out. OpenVPN will now run on Vista x64 with driver signing enforcement enabled. A 64-bit portability bug in the time_string function was fixed.


Changes: The Windows installer was updated with OpenSSL 0.9.7l DLLs to fix published vulnerabilities. A TAP-Win32 bug that caused a BSOD on Windows Vista was fixed. The TAP-Win32 driver was upgraded to version 8.4.


Changes: This release improves scalability and offers centralized management for VPN configurations supporting a large number of clients. It adds load balancing and failover support, a new management interface providing real-time control of running OpenVPN daemons, and major revisions to the documentation, including a complete rewrite of the HOWTO.


Changes: This long-awaited major release adds Win2000/XP support, tunnel-over-TCP or HTTP support, and better MTU options to work around problems with PMTU discovery or IP fragmentation.