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Cyber Attacks Explained: Packet Spoofing

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Last month, we started this series to cover the important cyber attacks that impact critical IT infrastructure in organisations. The first was the denial-of-service...

Cyber Attacks Explained: DoS and DDoS

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With this article, we begin a new series on the major kinds of cyber attacks that weaken the IT security infrastructure within organisations. With...

Storage Management using Openfiler, Part 3

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The first article of this series discussed basic installation and configuration; the second described some advanced Openfiler features including bonded interfaces and RAID 1...

SYN Flooding using SCAPY and Prevention using iptables

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DoS (Denial of Service) attacks against Web services make them unavailable for legitimate users, affecting the website owner's potential business. These involve intentional consumption...

Locking Horns: Fedora 15 ‘Lovelock’ v/s Ubuntu 11.04 ‘Natty Narwhal’

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The two titans of the free software operating system arena, Fedora and Ubuntu, usually time their distribution releases a few days apart. This makes...

Quick Setup Guide to Network Monitoring using Zenoss Core

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Today's businesses demand 24x7 uptime of IT infrastructure. To meet this need, a number of technologies are used, which include failover, clustering, redundant devices...

Best Practices in Network Security Monitoring

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This article details the best practices organisations can follow to strengthen their network monitoring procedures, and also talks about a few FOSS products that...

Advanced Nmap: A Recap

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This final article in the series consolidates information from the previous articles, looks at NMap's future possibilities, and at the new tools from the...

Securing Database Servers

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With the ever-expanding data requirements for Web applications, database administrators often configure security parameters at the OS and database layer. Unfortunately, administrators seldom consider...

Nessus with Metasploit — Track and Hack

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Networks play an important role in a sysadmin's life. But have you ever wondered about the security of your network, or tried to find...