In brief

• Introduction : Quick overview of today’s VPN solutions (IPSEC, L2TP-IPSEC, PPTP, "Web based VPN" so-called WebVPN, WebSSL, OpenVPN…). Pros and cons to choose the right one for the right thing… !

• Focus on OpenVPN :

• The secure layers of OpenVPN :
  • Authentication
  • Encryption
  • Encapsulation (networking) : tunneling vs tapping, UDP vs TCP - why TCP over TCP is not good…
• OS/Admin side : hooks and pluggability, security
• Using OpenVPN :
  • a 4 lines config file, and it works !
  • performance, features and limitations
• "Once upon a time…" - Few tales and demos featuring OpenVPN :
  • "Escaping the bad and restrictive (web proxy | 3G connection)" or ’how to establish a VPN through a web proxy’
  • "The OpenVPN server, the CAS Web SSO and the firewall (…and plenty of Windows users)", a tale from a business wonderland
• Need help ?

Speaker

Romain Bourgue is a passionate promoter of effective security and FOSS for the french Civil Service since 2002.