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Avoiding Buffer Overflows  29 November 2004 
Source: "Avoiding Buffer Overflows" - Posted by Administrator   
This article discusses techniques one can use to prevent software Buffer Overflows.

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Play with the Lovely Netcat: Reinvent /usr/bin/yes  29 November 2004 
Source: "Play with the Lovely Netcat: Reinvent /usr/bin/yes" - Posted by Administrator   
The first but secondary purpose of this article is to introduce you this nifty networking tool: /usr/bin/netcat which is well available from the Debian GNU/Linux under the package name netcat. (The drill: apt-get install netcat and you're done.) Ther

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How to break out of a chroot() jail  29 November 2004 
Source: "How to break out of a chroot() jail" - Posted by Administrator   
This page details how the chroot() system call can be used to provide an additional layer of security when running untrusted programs. It also details how this additional layer of security can be circumvented.

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Detecting Loadable Kernel Modules  29 November 2004 
Source: "Detecting Loadable Kernel Modules" - Posted by Administrator   
The purpose of this paper is cover LKM basics, detecting "trojaned" LKM's and figuring out which LKM is installed on your machine.

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Psudo root!  29 November 2004 
Source: "Psudo root!" - Posted by Administrator   
This documentation discusses the features and security concerns of Sudo (superuser do). Sudo allows a system administrator to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while logging the

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Steps for Recovering from a UNIX or NT System Compromise  29 November 2004 
Source: "Steps for Recovering from a UNIX or NT System Compromise" - Posted by Administrator   
This doc describes suggested steps for responding to a UNIX or NT system compromise.

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Securely Erasing a Hard Drive with Perl  29 November 2004 
Source: "Securely Erasing a Hard Drive with Perl" - Posted by Administrator   
The goal of this Perl script is to [thoroughly] just delete the contents of a hard drive.

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lsof -- List Open Files  29 November 2004 
Source: "lsof -- List Open Files" - Posted by Administrator   
lsof is a tool to list all the open files on the system. From this information, processes creating network sockets can be found, among other things.

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Bastille Linux  29 November 2004 
Source: "Bastille Linux" - Posted by Administrator   
"The Bastille Hardening System attempts to 'harden' or 'tighten' Unix operating systems. It currently supports the Red Hat, Debian, Mandrake, SuSE and TurboLinux Linux distributions along with HP-UX and Mac OS X."

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User Mode Linux: Coming to a Kernel Near You  23 November 2004 
Source: "User Mode Linux: Coming to a Kernel Near You" - Posted by Administrator   
Just as VMware allows us to run a machine within a machine, UML lets us do run multiple, separate, isolated instances of Linux on a single Linux box.

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