Networking Articles and Tips

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Denial of Service Attacks Posted: 24 Dec 2010 02:49 AM PST Denial of service attacks are not new. However, the recent increase of their power and their use by organized criminal organizations make necessary to consider them as one of the major issues IT infrastructures will have to face in the next few years. Trying to defeat those attacks without understanding their technical aspects is illusory. [...]

How To Test Intrusion Prevention System Posted: 24 Dec 2010 01:33 AM PST Intrusion Prevention System or IPS are new technology-based products that intend to detect and block attacks before they reach the target network. As they are to be deployed inline into the internal network they must be tested. However the lack of standard methodology often lower the accuracy of tests, and several issues may be raised [...]

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Networking Articles and Tips

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Understanding Syslog Posted: 27 Sep 2010 03:45 AM PDT SYSLOG Most Cisco devices use the Sys log protocol to manage system logs and alerts. But unlike their PC and server counterparts, Cisco devices lack large internal storage space for storing these logs. To overcome this limitation, Cisco devices offer the following two options: Internal buffer— The device’s operating system allocates a small part of [...]

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Networking Articles and Tips

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Major Challenges for IT Department – Wireless Consumption Posted: 20 Sep 2010 06:41 AM PDT Major Challenges for IT Department – Wireless Consumption Wi-Fi has received, including smart phones, game consoles, digital cameras, DVD players and TV so a lot of consumer devices. It’s the native Connection Sharing feature is often used, although this is very good for consumers, but when such equipment downtime will bring security and performance issues. [...]

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Networking Articles and Tips

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VPN or Virtual Private Network Posted: 16 Sep 2010 03:15 AM PDT What is VPN or Virtual Private Network ? An encrypted connection between two or multiple private networks over public network is called VPN or Virtual Private Network.  It use to connect two private network over public network. In equation format it can be defined as VPN= Tunneling + Encryption In other words we can also [...]

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Networking Articles and Tips

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Editing the Registry Posted: 18 Jul 2010 10:30 AM PDT Editing The Registry The Registry Editor (REGEDIT.EXE) is included with most version of Windows (although you won’t find it on the Start Menu) it enables you to view, search and edit the data within the Registry. There are several methods for starting the Registry Editor, the simplest is to click on the Start button, then select [...]

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Networking Articles and Tips

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Backup and Restoration of the Registry Posted: 17 Jul 2010 10:30 AM PDT Backup and Restoration of the Registry Windows 95 Microsoft included a utility on the Windows 95 CD-ROM that lets you create backups of the Registry on your computer. The Microsoft Configuration Backup program, CFGBACK.EXE, can be found in the \Other\Misc\Cfgback directory on the Windows 95 CD-ROM. This utility lets you create up to nine different backup copies [...]

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Networking Articles and Tips

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Structure of The Registry Posted: 06 Jul 2010 10:30 AM PDT Structure of The Registry The Registry has a hierarchal structure, although it looks complicated the structure is similar to the directory structure on your hard disk, with Regedit being similar to Windows Explorer. Each main branch (denoted by a folder icon in the Registry Editor, see left) is called a Hive, and Hives contains Keys. Each [...]

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