Download the Ubuntu (currently at version 7.04, “Feisty Fawn”) Server CD image from Ubuntu’s download page. 2. Making the installation CD Burn the ubuntu-7.04-server-i386.iso image to a CD using your favorite image-burning program. Remember, burn the image; do not extract the files from the image file. If you are going to be using an old [...]
A virtual IP address (VIP or VIPA) is an IP address that is not connected to a specific computer or network interface card (NIC) on a computer. Incoming packets are sent to the VIP address, but all packets travel through real network interfaces. VIPs are mostly used for connection redundancy; a VIP address may still [...]
TheÂ tcpdumpÂ command prints out the headers of packets on a network interface that match the boolean expression. It can also be run with theÂ -wÂ flag, which causes it to save the packet data to a file for later analysis. It can also be run with theÂ -rÂ flag, which causes it to read from a saved packet file rather [...]
tcpdumpÂ command dump traffic on a network in real time. It prints out a description of the contents of packets on a network interface. By default traffic is dumped on a screen. To capture these packets to a file, enter the following command as the root user: # tcpdump -i eth0 -w traffic.eth0 TheÂ -wÂ flag causes it [...]
The SmoothWall GPL project was founded in the summer of 2000 by Lawrence Manning (Principle Code Author) and Richard Morrell (Project Manager). Their goal was to create a Linux distribution that could convert a redundant PC into a hardened internet firewall device. With help from other early contributors; John Faulty and Tom Ellils, the first SmoothWall Firewall was posted to sourceforge.net at the end of August 2000.
The project was immediately popular and grew rapidly. Within weeks, thousand of copies had been downloaded and SmoothWall was appearing regularly on magazine cover CDs in the UK and overseas. Many more developers joined the team and new versions were released almost weekly, incorporating new features based on software contributions from all round the world.