| Main concerns |
- Free Software, open and interopable protocols and standards
- Security and confidentiality matters in computers and networks
- Good knowledge of the Jabber/XMPP protocol, and ways of using it
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| Systems |
- GNU/Linux, mostly Debian:
- Everyday use
- Administration (kernel, services, security)
- Debian packaging (maintainer of the irssi-plugin-xmpp package)
|
| Development |
- Application and scripts:
- Java, Python, Perl, C/Unix, Shell
- Web development:
- XHTML/CSS, Javascript, SQL (MySQL, SQLite), PHP
- Others:
- Visual Basic, Pascal, Maple (formal calculus).
|
| Networking |
- Physical networks:
- Simple TCP/IP networks installation and maintenance: wiring, switchs & hubs, etc.
- Protocols:
- Good knowledge: HTTP, SMTP, XMPP, FTP, LDAP
- Servers:
- Average knowledge: NFS, Squid, Proftpd, OpenVPN
- Good knowledge: OpenLDAP, Bind 9, OpenSSH, Apache 1.x & 2.x, jabberd14, ejabberd, MySQL, Samba
|
| Computer security |
- Cryptography: basic mathematical knowledge, signing, symmetric/asymmetric ciphering (PGP/GnuPG, SSL/TLS)
- PKI: X.509 certificate chains, web of trust
- Program securing: code audit (C, PHP)
|
| Graphism |
- Graphical design tools: Photoshop, The Gimp, Scribus
|