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Forensic investigation using free Linux tools |
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Saturday, 06 December 2008 |
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Here is a scenario you can think about. An administrator of a company has been accused of hoarding illegal material of questionable moral content on his company network system. You have been called upon to examine the suspect server and unearth evidence related to the said illegal material. Your boss has told you that you are not allowed to shutdown the server. Unfortunately no additional money is available to buy forensic tools or equipment. In this workshop we will explain, how to use free forensic tools to investigate such cases.
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Set up a SSH-based point to point connection |
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Sunday, 30 November 2008 |
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OpenSSH version 4.3 introduced a new feature: the ability to create on-the-fly "Virtual Private Networks" via the tunnel driver (the so-called "tun" driver). This allows you to create a network interface that bridges two physically disparate network segments in different locations. This article explains how to use SSH to set up SSH-based point to point connections with OpenSuse 11.0 which can then be used to create routes that create virtual private networks.
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Trick: Speed up your Internet access using Squid's refresh patterns |
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Friday, 21 November 2008 |
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Bandwidth limitation is still a problem for a lot of people who connect
to the Internet. You can improve your available bandwidth by installing
Squid caching proxy server on
your network with configuration parameters that will increase your byte
hit rate, giving you about 30-60% more bandwidth.
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Using commercial tools in Backtrack 3 |
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Sunday, 02 November 2008 |
In a previous article Linux-Tip explained how to install the current release (Backtrack 3 Final) in a virtual environment using VMWare. The goal was to run Backtrack 3 from the hard disk connected to a Wireless USB Adapter and to use the tool Kismet. It further explains how to collect valid wireless networks and to display them on Google Earth’s worldwide map system.
In this article we’ll show how to add Nessus and to use the already integrated SAINT vulnerability scanner and Maltego. We’ll update Fast-Track and will show how to use the web-based interface.
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Tip: Preventing MySQL Injection Attacks With GreenSQL |
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Sunday, 02 November 2008 |
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GreenSQL (or greensql-fw) is a firewall for MySQL databases that filters SQL injection attacks. It works as a reverse proxy, i.e., it takes the SQL queries, checks them, passes them on to the MySQL database and delivers back the result from the MySQL database. It comes with a web interface (called greensql-console) so that you can manage GreenSQL through a web browser. This guide shows how you can install GreenSQL and its web interface on a Debian Etch server.
I do not issue any guarantee that this will work for you! |
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Trick: How To Install VMware Server 2 On An Ubuntu 8.04 Desktop |
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Tuesday, 07 October 2008 |
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This tutorial provides step-by-step instructions on how to install VMware Server 2
on an Ubuntu 8.04 desktop system. With VMware Server you can create and
run guest operating systems ("virtual machines") such as Linux,
Windows, FreeBSD, etc. under a host operating system. This has the
benefit that you can run multiple operating systems on the same
hardware which saves a lot of money, and you can move virtual machines
from one VMware Server to the next one (or to a system that has the
VMware Player which is also free).
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