All work and no play makes Mondays.  Having said that, here’s something sent to me by email. If math lectures consisted of this, no one would flunk …

Working remotely from various places, I needed to have access to my Linux machine at home. Unfortunately for me, my DSL IP was dynamic and at the time my ISP would change this IP several times a day. That was good for maybe only a few hours and then it would change to something [...]

Most linux distros come shipped with basic firewall software. Other then ipchains or ipfwadm probably the most common command line firewall just might be iptables. If you run a small home network and need a bit more security on your box then what comes already available or a router already ships with, iptables is [...]