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Cisco Routers

Troubleshooting PPP Internet Connection On A Cisc…

The Point-to-Point Protocol is one of the most popular protocols around used by engineers, ISPs and companies around the globe for authentication of remote users & router equipment. The most com…

Supernetting & CIDR

What is Supernetting (Route Summarization) & How…

Supernetting is the opposite of of subnetting, and is also known as route aggregation or CIDR (Classless Inter-Domain Routing). Supernetting is a technique that allows multiple smaller network blocks…

VPN Services & Guides

Best VPN Review: StrongVPN. Download Speed Τest…

StrongVPN is one of the most popular VPN service around the world. With a presence in over 23 countries,+650 servers, cheap prices, Strong Encryption and blazing fast download speeds – it rightf…

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…

Web Application Vulnerability Scanners

Everything You Need to Know About SQL Injection A…

SQL Injection Attacks are one of the most popular attacks against web servers, websites and web applications. A fairly popular website can expect to receive anywhere between 80 and 250 SQL injection…

Network Protocol Analyzers

Advanced Network Protocol Analyzer Review: Colaso…

Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review, the version has bumped from 7.6.1 to 11.1.2+, kee…

Web Application Vulnerability Scanners

Automate Web Application Security - Why, How & Th…

In this article, we’re going to talk about automating your web security in the safest and most effective way. We’ll also touch on a few Web Application Security automation tools worth considering…

IP Protocol

IP Protocol - Part 3: IP Classes, Network & Host…

This article explains the 'Network-ID' and 'Host-ID' concept found in IP addressing and subnetting. We analyse the structure of IP addresses and network classes and show their Network-IDs and Host-ID…

Cisco CallManager-CCME

CallManager Express GUI Software Installation & C…

Cisco CallManager Express, also known as CME or CCME, runs on both Cisco ISR Routers and UC500 platform, including UC520, UC540 and UC560. CallManager Express's PBX functionality is built into the I…

Windows Servers

How to Easily Change Network Card Profile / Netwo…

Network Location Awareness (NLA) is a feature offered on Windows Server 2012 R2 and all Windows workstation editions from Windows 8.1 and above, including Windows 10. When connecting to a network (LA…

Network Cabling

100Base-(T) TX/T4/FX - Ethernet

The 100Base-TX (sometimes referred to 100Base-T) cable was until 2010 perhaps the most popular cable around since it has actually replaced the older 10Base-T and 10Base-2 (Coaxial). The 100Base-TX ca…

Windows Servers

How to Recover & Create "Show Desktop" Icon Funct…

The Show Desktop feature, included with almost all versions of Windows up to Windows 7, allows a user to minimize or restore all open programs and easily view the desktop. To use this feature, a use…