General

• How can I build a binary RPM package for my specific Linux platform?
• On Slackware, I get the error: Cipher algorithm 'BF-CBC' not found (OpenSSL)
• What is the principle behind OpenVPN tunnels?
• Are there any known security vulnerabilities with OpenVPN?
• Is it important to OpenVPN security practices to build an intermediate certificate authority/key?
• Does OpenVPN support Certificate Revocation Lists (CRLs)?
• How stable is the OpenVPN Protocol, i.e. can old versions of OpenVPN talk to new versions?
• What is the difference between a TUN device and a TAP device?
• What is Bridging?
• What is the difference between bridging and routing?
• What are the fundamental differences between bridging and routing in terms of configuration?
• Problems with TLS

Client

• I am having problems running OpenVPN with the Windows XP firewall enabled. What's wrong?
• Upgraded the OpenVPN daemon on one side of the connection to v2.0, and now it can't connect.
• TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
• "Connection Initiated with x.x.x.x" but I cannot ping the server through the VPN.
• TAP-Win32 adapter is not coming up: "Initialization sequence completed with errors".
• I am having trouble getting OpenVPN 1.x to talk with OpenVPN 2.0.
• Why can't I run OpenVPN on Windows from a non-admin user account?
• I uninstalled OpenVPN on Windows 2000 and now it appears that Winsock is broken. How to fix?
• Are there any issues related to pushing DHCP options to Windows clients?
• What to do if the installation of the TAP-Win32 driver fails?
• Can I run multiple OpenVPN tunnels on a single machine?
• "MULTI: bad source address from client , packet dropped" or "GET INST BY VIRT: failed"?
• How do I make the windows network adapter my default adapter again?

Server