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OpManager - Network Monitoring & Management
Effective monitoring and management of Cisco routers and network devices are essential for ensuring a robust and efficient network infrastructure. In this article, we explore the key features and bes…
Windows Workstations (XP, 7, 8, 10, 11)
Not many people are aware that Windows 7 has built-in capabilities that allow it to be transformed into a perfectly working access point so that wireless clients such as laptops, smartphones and othe…
Cisco Firewalls
One Appliance – One Image is what Cisco is targeting for its Next Generation Firewalls. With this vision, Cisco has created a unified software image named “Cisco Firepower Threat Defense”.  In t…
Cisco Switches
This article explains the procedure that should be followed to correctly shutdown/powerdown a Cisco Nexus 7000 series module and remove it from the chassis. We also include important tips that will h…
Cisco CallManager-CCME
This article explains how to reset your Cisco 7945, 7965 and 7975 IP phone to factory defaults, and how to upgrade the firmware to the latest available version. We also provide necessary information…
Cisco Services & Technologies
Fifteen years ago Virtual Private Networks (VPN) access was a fairly new concept to most businesses. While large corporations already had a good head-start with VPN technologies, the rest were starti…
Network Fundamentals
In today's world, securing your home network is more important than ever. With the increasing number of cyberattacks, data breaches, and online frauds, protecting your home network from potential thr…
Network Protocol Analyzers
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…
Linux - Unix
Below are some of the most common recommendations and method to effectively secure a Linux Server or Workstation. Boot Disk One of the foremost requisites of a secure Linux server is the boot disk…
Windows Workstations (XP, 7, 8, 10, 11)
This article explains how the Windows operating system makes use of the popular Host file, where it is located for various operating systems, how it can be used to manipulate DNS lookups and redirect…
Cisco CallManager-CCME
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…
Network Fundamentals
Network topologies can take a bit of time to understand when you're all new to this kind of cool stuff, but it's very important to fully understand them as they are key elements to understanding and…

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