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Network Cabling
Important Direct Cable Connection Notes
This page was designed to provide some notes on Direct Cable Connection (File-transfer) of Win9x/ME/2000 with LAPLINK (Printer port) Cable or Null-Modem (serial port) Cable. We've already analysed ex…
TCP - UDP Protocol Analysis
TCP Header Anaylsis - Section 6: TCP Options
The TCP Options (MSS, Window Scaling, Selective Acknowledgements, Timestamps, Nop) are located at the end of the TCP Header which is also why they are covered last. Thanks to the TCP Options field we…
OpManager - Network Monitoring & Management
Free March 2021 Training/Seminars: Endpoint Manag…
ManageEngine continues its commitment to help IT staff around the globe manage their organization's endpoints and the IT operations for the remote and on-site workforce.
The below Free seminars runn…
Windows Servers
Windows Server 2016 Licensing Made Easy – Underst…
This article describes the new Windows Server 2016 Licensing model (per-core licensing) Microsoft has implemented for its new server-based operating system. While the Windows Server 2012 Licensing mo…
Linux - Unix
Installing & Configuring VSFTPD FTP Server for Re…
Vsftpd is a popular FTP server for Unix/Linux systems. For thoes unaware of the vsftpd ftp server, note that this is not just another ftp server, but a mature product that has been around for over 12…
VLAN Networks
Comparing Traditional Flat & VLAN Networks
Designing and building a network is not a simple job. VLANs are no exception to this rule, in fact they require a more sophisticated approach because of the variety of protocols used to maintain and…
Ethernet Protocol, CSMA/CD, Collisions
Late Ethernet Collisions
Late collisions, on the other hand, are not normal and are usually the result of out of spec. cabling or a malfunctioning adapter. A late collision is defined as any collision that occurs after 512 b…
Web Application Vulnerability Scanners
Top 3 Most Popular Web Application Vulnerabilitie…
Since 2011 Web Application Vulnerability scanners scanned 396 open source web applications. The scanners identified 269 vulnerabilities and a popular web vulnerability scanner published 114 advisorie…
Linux - Unix
Linux BIND DNS - Part 3: Configuring The db.192.1…
The db.192.168.0 zone data file is the second file we need to create and configure for our BIND DNS server. As outlined in the DNS-BIND Introduction, this file's purpose is to provide the IP Address…
Linux - Unix
The Linux File System
A file system is nothing more than the way the computer stores and retrieves all your files. These files include your documents, programs, help files, games, music etc. In the Windows world we have t…
Web Application Vulnerability Scanners
What is OWASP? Open Web Application Security Pro…
With nearly every business sector relying on the internet and digital tools to function, it is no surprise that cybersecurity is the second-fastest growing industry. Hackers don’t care how large or s…
Network Fundamentals
DoS & DDoS Attacks
A Denial of Service (DoS) attack is a malicious attempt to disrupt the normal functioning of a website, server or network by flooding it with traffic or overloading its resources. The aim of such an…
Wi-Fi Key Generator
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