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Vincent DEFFONTAINES - Free Software and Security

Skills

Administration GNU/Linux, UNIX and BSD systems
Networking TCP/IP, VPN, IP filtering
Services

IP FilteringNuFW, Netfilter (Linux 2.4/2.6), ipfilter (OpenBSD), ipfwadm (FreeBSD)
Kernel hardeningGrsecurity (PaX), Lids
VPNOpenSWAN
WebApache 1.3/2.0/2.2
EmailExim, Postfix, Qmail, Spamassassin
DNSBind
WebmailImp, SquirrelMail
SQLMySQL, PostgreSQL
ProxySquid, Apache, Privoxy, SquidGuard
LDAPOpenLDAP, Single Sign On
MonitoringNagios, Cricket, Mrtg, RRDTools
Network Intrusion DetectionSnort, Prelude


Languages
Perl, Shell, C, HTML, PHP

Personal Project NuFW Logo
Multiprotocol Authentication Secure Gateway : NuFW
NuFW is a layer 3 authenticating filter, or Not a Usermode Firewall, or Now User Filtering Works
This very innovative project was started in 2001, and was then named GnuFW.
NuFW was awarded in 2005 by les Trophées du Libre, an international Free Software contest, in the Security category.
Co-founder of the project, co-developper.

Teaching
LearningTree teacher for Linux and Apache courses
Teacher for several sessions about several free software domains:
Apache, Squid, GNU/Linux systems, Security, etc.

Rsearch Project

Member of the Eficaas research project : Extending Firewalling Infrastructure Capabilities and Aggregating Authentication Systems

Publications

Misc (french magazine specialized in IT security) - july-august 2005

"Advanced Apache security" article, about Apache modules mod_security and mod_dosevasive

Misc (french magazine specialized in IT security) - march-april 2005

"Introduction à NuFW" article (in french) - Thanks to the Diamond editions and to Frédéric Raynal for letting me publish this article here.

GNU/Linux Magazine France 2006 June/July-August/September

3 consecutive Articles :

  • June : Introduction to NuFW
  • July-August : Userland interactions with Netfilter, from NuFW point of view
  • September : how glib deals with threads

Apache 2.0 french documentation

Official translator of the Apache 2 core online documentation.

References

logo_inl

jan 2004 : created INL

Created INL together with Éric Leblond

INL is an SME which provides services for "Libre" Software and Security, and develops NuFW.

Apache 2.0 contributor

Submitted a patch to mod_headers in Apache 2.0, part of the official distribution since 2.0.50 version.

Wrote mod_auth_nufw, an Apache 2.2/2.0/1.3 module for transparent authentication (single sign on)

sept 2002 to sept 2003 : Council of Europe, Strasbourg

Network and System Administration
Network and System Monitoring architecture and setup
Mail, Web, Proxy, DNS services administration and architecture
Network Security : Firewalls, architecture review, emails headers filtering, spam filter

sept 2000 to aug 2002 : Alcôve, Paris

System administration - GNU/Linux, BSD, Unix systems security
firewalls on Linux 2.2 (ipchains), 2.4 (netfilter), OpenBSD, FreeBSD
Virtual Private Networks (VPN) Architecture and setup (IPSEC).
Security audits.

IBM's Linux Security session - end 2001

Teacher for network and system security on GNU/Linux

Education

ICAM Engineer (Institut Catholique des Arts et Métiers) - Lille

Languages

EnglishFluent
GermanConversationnal