XScreenSaver is a modular screen saver and locker for the X Window System. It is highly customizable and allows the use of any program that can draw on the root window as a display mode. It is also more stable than xlock.
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IPFC is a framework to manage and monitor multiple types of security modules across a network. Security modules can be as diverse as packet filters (like netfilter, pf, ipfw, IP Filter, checkpoint FW1, etc.), NIDS (Snort, arpwatch, etc.), Web servers, and other general devices (from servers to embedded devices). Features log collection for different security "agents", dynamic log correlation possibilities, and easy extensibility due to the generic database and XML message formats used.
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Sendmail is a very popular unix Mail Transfer Agent, a program that moves mail from one machine to another.
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The goal of FireStarter is to provide an easy to use, yet powerful, GUI tool for setting up, administrating and monitoring firewalls for Linux machines. FireStarter is made for the GNOME desktop. It can actively monitor your firewall and list any unauthorized connection attempts made to your machine in a readable table format.
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IP Filter is a TCPIP packet filter which works well in a firewall environment. It can either be run as a loadable kernel module (recommended) or incorporated into your kernel. Scripts are provided to install and patch system files as required. IP Filter also includes several cool features, including transparent proxying via packet forwarding, allowing for round-robin forwarding to achieve load-balanced proxy.
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SGI Security Advisory 20020102-02-I - A vulnerability related to the way the IRIX unified name service daemon (nsd) manages its cache files has been reported which allows remote users to fill the disk. The nsd daemon is installed by default on all 6.5.x versions of IRIX, and this vulnerability exists in all versions of IRIX 6.5.4m/f through 6.5.11m/f. The problem has been fixed in IRIX 6.5.12m/f.
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Local root exploit for sudo + postfix. Exploits sudo prior to sudo-1.6.4.1. Tested on debian powerpc unstable.
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Myndscream is a SYN flooder.
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Troier is a package of trojaned linux commands. Includes du, locate, netstat, ps, pstree, top, w, and who.
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Reversing the ELF - Stepping with GDB during PLT uses and .GOT fixup. This is a GDB tutorial about runtime process fixup using the Procedure Linkage Table section (.plt) and the Global Offset Table section (.got) by the dynamic linker ld-linux.so. ASM knowledge will be helpful. More info on ELF here.
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FreeBSD Security Advisory FreeBSD-SA-02:06 - The sudo port prior to sudo-1.6.4.1 contains a local root vulnerability. If a user who has not been authorized by the system administrator (listed in the 'sudoers' file) attempts to use sudo, sudo will send an email alert. When it does so, it invokes the system mailer with superuser privileges, and with most of the user's environment intact.
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