OpenVPN
Network Basics
OSI Network Layer Model
Overview on Layer 2 forwarding (L2F)
The Network Time Protocol
Security
IT Baseline Protection (German BSI)
IT-Sec Handbook
Linux iptables Howto
A Guide to basic RSA Key Management
PKI using OpenSSL
Hardening OpenVPN Security
Cryptography
IPsec article on Wikipedia
IPsec HowTo
sslexplorer
- TLS/SSL web-based VPN solution
Symmetric encryption
(Wikipedia)
Asymmetric encryption
(Wikipedia)
Cryptography
(Wikipedia)
Secure Sockets Layer (SSL)
(Wikipedia)
Public key certificates
(Wikpedia)
Windows Security and SSL
Detailed information about the Diffie-Hellman key exchange algorithm
X.509 overview
TLS Protocol as specified by the IETF
Related Projects/Tools
Official OpenVPN Website
OpenSSL project website
OpenVPN for Mac OS X
TUN/TAP Driver for Mac OS X
TUN/TAP
- Kernelmodules for older Linux-kernels
LZO compression algorithm (comp-lzo)
OpenVPN Windows GUI
Freeware SFTP and SCP client for Windows
Hany's Dos2Unix convertor
Webmin project website
Development version of Webmin (new shorewall module)
Shoreline Firewall (Shorewall) project
The TinyCA project
XCA Sourceforge project website
NSIS software installer for Windows
Community and Organizations
OpenVPN Mailinglist
IETF
- The Internet Engineering Task Force
Public Key Infrastructur (X.509)Working Group
OpenCA
- Research and Development Labs
TLS Charter
- TLS Working Group (IETF)
BSI - Bundesamt fuer Sicherheit in der Informationstechnik
(english)
(german)
Distribution related information
OpenVPN and Debian
Init System on Debian systems
OpenVPN and SuSE
OpenVPN and Suse (german)
OpenVPN and Redhat
Install OpenVPN on OpenWRT devices
OpenVPN download
OpenVPN daily snapshot
Detailed installation instructions for Mac OS 10.3
Windows connection troubleshooting
Additional Infos
Online Manual Page for the stable version
Online Manual Page for the unstable version
Securing distcc with chroot and OpenVPN
HowTo Roll Your Own OpenVPN Windows Installation Package
Connecting to an OpenVPN server via an HTTP proxy
Routing all client traffic (including web - traffic) through the VPN
Pushing DHCP options to clients
Certificate Management and Installation with OpenSSL