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Palo Alto Networks

The Ultimate Guide to Palo Alto Networks Software…

Discover the ins and outs of using Palo Alto Networks’ Software NGFW (Flex) credits to seamlessly renew your cloud-based or virtualized software NGFW devices! Dive into this exciting guide where we u…

Cisco CallManager-CCME

Risk Management for Cisco Unified Communication S…

As technology has advanced, things have become simpler yet more complex. One prime example is that of today’s communication networks. With the evolution of VoIP, the most obvious convergence is that…

Linux - Unix

Why Use Linux?

The first question is - what are the benefits of using Linux instead of Windows? This is in fact a constant debate between the Windows and Linux communities and while we won't be taking either side…

Windows Servers

Renaming Windows 2000 Domain Name

Sometimes renaming a domain is an essential business requirement. There are many situations, such as mergers, change of company name or migration from a test environment to a production environment…

Cisco Wireless

Wireless (Wifi) WEP WPA WPA2 Key Generator

The Firewall.cx Wireless LAN Key Generator will allow the generation of a WEP or WPA ASCII based encryption key and will provide the equivalent HEX or ASCII string so it can be inserted directly i…

VLAN Networks

VLANs - IEEE 802.1q Trunk Link Protocol Analysis

While the VLAN Tagging article briefly covered the IEEE 802.1q protocol this article will continue building upon it by further analyzing the IEEE 802.1q Trunk Link Protocol. The IEEE 802.1q tagging m…

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…

Cisco CallManager-CCME

Unity Express License Setup & Installation - Soft…

Unity Express provides any organization with a quick and convenient way to manage voicemail, auto attendant and interactive voice response (IVR) services. These services are provided within the…

Windows Servers

Windows Server Group Policy Link Enforcement, Inh…

Our previous article explained what Group Policy Objects (GPO) are and showed how group policies can be configured to help control computers and users within an Active Directory domain. This article…

VLAN Networks

VLANs - Access & Trunk Links

If you've read our previous article The VLAN Concept - Introduction to VLANs then you should feel comfortable with terms such as 'VLAN', 'Static & Dynamic VLANs', however this is just…

Cisco Services & Technologies

WEB SSL VPN - The Next Wave Of Secure VPN Services

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…

Virtualization & VM Backup

How to Enable SNMP on VMware ESXi Host & Configur…

In this article we will show you how to enable SNMP on your VMware ESXi host, configure SNMP Community string and configure your ESXi firewall to allow or block access to the SNMP service from specif…