mr ThiTienLuc
Saturday, 21. February 2009, 02:49:31
# service iptables save # service iptables stop # chkconfig iptables off
# iptables -F # iptables -X # iptables -t nat -F # iptables -t nat -X # iptables -t mangle -F # iptables -t mangle -X # iptables -P INPUT ACCEPT # iptables -P OUTPUT ACCEPT
Thursday, 10. April 2008, 06:24:50
Sunday, 2. December 2007, 15:46:27
Book description: Linux servers now account for 33% of all networks servers running worldwide (Source: IDC). The top 3 market share holders in the network server space (IBM, Hewlett-Packard, and Dell) all use Linux as their standard operating system for the majority of their servers designed for medium to large size businesses. As with any technologies, increased usage results in increased attention from malicious hackers. For years a myth existed that Windows was inherently less secure than Linux, because there were significantly more attacks against Windows machines than Linux. But this was a fallacy. There were more attacks against Windows machines because there were simply so many more Windows machines to attack. Now, the numbers tell the exact OPPOSITE story.Sunday, 2. December 2007, 14:37:57
Book description: Linux consistently turns up high in the list of popular Internet servers, whether it's for the Web, anonymous FTP, or general services like DNS and routing mail. But security is uppermost on the mind of anyone providing such a service. Any server experiences casual probe attempts dozens of time a day, and serious break-in attempts with some frequency as well. As the cost of broadband and other high-speed Internet connectivity has gone down, and its availability has increased, more Linux users are providing or considering providing Internet services such as HTTP, Anonymous FTP, etc., to the world at large. At the same time, some important, powerful, and popular Open Source tools have emerged and rapidly matured--some of which rival expensive commercial equivalents--making Linux a particularly appropriate platform for providing secure Internet services. Building Secure Servers with Linux will help you master the principles of reliable system and network security by combining practical advice with a firm knowledge of the technical tools needed to ensure security. The book focuses on the most common use of Linux--as a hub offering services to an organization or the larger Internet--and shows readers how to harden their hosts against attacks. Author Mick Bauer, a security consultant, network architect, and lead author of the popular Paranoid Penguin column in Linux Journal, carefully outlines the security risks, defines precautions that can minimize those risks, and offers recipes for robust security. The book does not cover firewalls, but covers the more common situation where an organization protects its hub using other systems as firewalls, often proprietary firewalls.Monday, 1. October 2007, 16:53:03
Monday, 1. October 2007, 03:15:52
1. Disc Drives & Partitions 2. Booting a Single OS on a PC 3. Dual-Booting or Multi-Booting Windows OSs 4. Getting NTLDR to Load Linux 5. eXtended Operating System Loader (XOSL)
Saturday, 29. September 2007, 13:16:42
1. Its large user base. Because Ubuntu is so popular, it becomes even more popular. This viral marketing was the same thing that made YouTube successful.Thursday, 13. September 2007, 00:37:38
Section | Execute
1 | Information on excutables
2 | System calls
3 | Library calls, e.g stdio
4 | Devices (files in /dev)
5 | Configuration files and formats
6 | Games
7 | Macro packages
8 | Administration commands
9 | Kernel routines
Sunday, 9. September 2007, 14:20:30
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