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How To Protect Your Server Against Dictionary Attacks
How To Protect Your Server Against Dictionary Attacks
Recently a security flaw in LinkedIn’s code has helped add 6.5 million passwords to attackers’ tradi
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When You Should Disable Root Login…Or Not
When You Should Disable Root Login…Or Not
When should you disable root login?
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Simple Security Tricks To Harden A New Linux Web Server
Simple Security Tricks To Harden A New Linux Web Server
There are a few things you need to always remember when setting up a new Linux server.
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Linux Security, The Ultimate Linux Security Gateway
Linux Security, The Ultimate Linux Security Gateway
In this tutorial I am going to explain to you all how to write a linux security wall that can beat Windows ISA Server in security level. The main idea is really simple. Basicly we are going to make a Small Linux server that is security Based.
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Spoonfed Linux Tutorials- Installing software from source
Spoonfed Linux Tutorials- Installing software from source
I will try to make this as "spoonfed" to new linux users as I can. This is one of many tutorials. I will be writing.
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Installing and Configuring OpenVPN in OpenSolaris
Installing and Configuring OpenVPN in OpenSolaris
Learn to install and configure the free OpenVPN software package under OpenSolaris. OpenVPN is an opensource VPN solution using SSL for encryption and certificate authentication. The tutorial teaches how to install & configure OpenVPN and create certificates for authentication.
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Postfix Backup MX eMail Server Anti-Spam Configuration
Postfix Backup MX eMail Server Anti-Spam Configuration
According to RFC2821 the lowest-numbered records are the most preferred MX for domain. So a target Postfix backup server is used to keep the messages in a queue waiting for the primary server to become available. This ensures that if my primary MX goes down you do not loss any emails. However, spammers are connects to backup MX to avoid anti spam filters that are running on the primary MX server. This also hides their real IP from my primary MX. This tutorial shows how to configure anti-spam and anti-virus for Red Hat / CentOS Linux ver5.3 based Postfix mx server.
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Best practices in securing a Web Server
Best practices in securing a Web Server
Securing a Web Server and your hosted applications is indeed a daunting task, but it's not an impossible one. As a public resource, a Web Server is like "bloody shark bait" for some. But it doesn't have to be: Learn to guard against the serious threats to your public Web Servers with a heavy dose of prevention.
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Designing a Linux PAM login security application
Designing a Linux PAM login security application
The Pluggable Authentication Module (PAM) API exposes a set of functions that application programmers use for security-related functions like user authentication, data encryption, LDAP, and more. In this article, get a basic guide to the PAM model on Linux, see how to configure PAM, and learn how to design a sample PAM login application in 10 easy steps.
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Snort Log Parser
Snort Log Parser
A script I wrote in bash used to email events to you everyday rather than having to manually go through the logs.
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Telecommunications and Network Security
Telecommunications and Network Security
Packt is pleased to announce a new book on CISSP. Written by M. L. Srinivasan CISSP in 21 Days is a quick revision guide that helps candidates prepare for the CISSP Exam and approach it confidently with the help of step-by-step preparation and practice questions. Success in this respected exam opens the door for ones dream job as a security expert as well as an eye catching salary. Passing the final exam is challenging as every year a lot of candidates do not prepare sufficiently and fail at the final stage. This happens when they cover everything but do not revise properly and hence lack in confidence. This books 'concise explanation' will take candidates through the final weeks before the exam with a day-by-day plan covering all of the exam topics enabling them to enter the exam room with confidence. Candidates will get to know the requirements of the CISSP examination and structure their preparation accordingly. The book helps them build their understanding of myriad concepts in the Information Security domain thus integrating their existing knowledge, experience, and prior learning to easily remember the concepts. This small and concise CISSP exam quick-revision guide provides a disciplined approach to be adopted for reviewing and revising the core concepts a month before the exam, by providing concise explanation of important concepts in all the 10 domains of the CISSP Common Body of Knowledge (CBK). Each domain is covered in two chapters that are represented as days and each chapter contains some practice questions including a full-blown mock test for practice. This book is for all aspirants who are planning to take the CISSP examination and obtain the coveted CISSP certification that is considered as the 'Gold Standard' in Information Security personal certification. The book is out now and is available from Packt. For more information, please visit http://www.packtpub.com/crack-the-cissp-exam-in-21-days/book
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Supplement Creative Commons with open standards
Supplement Creative Commons with open standards
This article explains how you can protect your piece of digital content—whether it be documents, audio tracks, video clips, or cropped images that end users can download with their favorite browser. It will show you what you need to know about the DRM technology to achieve DRM interoperability from device to device.
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Disable SELinux Management
Disable SELinux Management
In Red Hat Linux or Fedora Linux you may get errors like"AVC access denied". If you disable SELinux then you can come out of this errors. Once you have done everything then you can enable it. This tutorial shows you how to Enable / Disable SELinux Management.
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Resources on the IBM AIX Network Authentication Service
Resources on the IBM AIX Network Authentication Service
This article provides developers and administrators with a listing of the developerWorks articles that cover configuration, administration, interoperability, Kerberized filesystems (NFS V4), and different Kerberized login modules based on the IBM AIX Network Authentication Service (NAS).
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Hardening the Linux desktop
Hardening the Linux desktop
Although GNU/Linux has the reputation of being a more secure operating system than Microsoft Windows, you still need to secure the Linux desktop. This tutorial takes you through the steps of installing and configuring antivirus software, creating a backup-restore plan, and making practical use of a firewall. When you finish, you'll have the tools you need to harden your Linux desktop against most attacks and prevent illegal access to your computer.
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Total Tutorials in Category: 32