Computer professional for more than 15 years now, dabbling in TCP/IP & UNIX security and general IT stuff. Interests includes Ruby, FreeBSD, crypto, ntp and UNIX in general.
Q&A for professional and enthusiast programmers
Q&A for computer enthusiasts and power users
Q&A for professional system and network administrators
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Q&A for software developers, mathematicians and others interested in cryptography
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for power users of Apple hardware and software
Q&A for people studying math at any level and professionals in related fields
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.