Subversion (svn) is an open-source version control system (VCS), used in the development of many software projects. This tutorial shows how to install Subversion on Debian Squeeze and how to configure it to allow access to a repository through different protocols: file://, http://, https://, svn://, and svn+ssh://.

The Electronic Frontier Foundation (EFF) has launched a new version of HTTPS Everywhere, a security tool that offers enhanced protection for Firefox browser users against "Firesheep" and other exploits of webpage security flaws.

Firesheep demonstrates a security flaw that the computer security community has been concerned about for years — that any network eavesdropper can take over another user's session (say, a login to a webmail or social networking account) just by sniffing packets and copying the victim's cookie

This article explains how you can set up an SSL vhost under Apache2 on Ubuntu 9.10 and Debian Lenny so that you can access the vhost over HTTPS (port 443). SSL is short for Secure Sockets Layer and is a cryptographic protocol that provides security for communications over networks by encrypting segments of network connections at the transport layer end-to-end.

"Mozilla Firefox 3 limits usable encrypted (SSL) web sites to those who are willing to pay money to one of their approved digital certificate vendors. This policy is bad for the web. Not only does it make users less secure overall by reducing the number of encrypted connections, it damages the basic principle of equality among web participants..."