Contact Firewall.cx
Articles That Might Interest:
Network Fundamentals
Introduction To Networking
A network is simply a group of two or more Personal Computers linked together. Many types of networks exist, but the most common types of networks are Local-Area Networks (LANs), and Wide-Area Networ…
Linux - Unix
Understanding Linux File System Quotas - Installa…
When you are running your own web hosting, it is important to monitor how much space is being used by each user. This is not a simple task to be done manually since one of the users or group could fi…
Routing
Introduction to Routing Protocols
Distance Vector, Link State RIP, IGRP, EIGRP, OSPF
Routing protocols were created for routers. These protocols have been designed to allow the exchange of routing tables, or known networks, betwee…
Cisco Routers
How To Fix Cisco Configuration Professional (CCP)…
Cisco Configuration Professional (CCP) is Cisco’s latest GUI administration tool used to administer Cisco routers. CCP is basically the next step up from the popular Security Device Manager or SDM. U…
Cisco Services & Technologies
Cisco VPN Client & Windows 8 (32bit & 64bit) - Re…
The Cisco VPN client is one of the most popular Cisco tools used by administrators, engineers and end-users to connect to their remote networks and access resources. This article shows how to fix the…
Windows Workstations (XP, 7, 8, 10, 11)
Configuring Windows 7 To Provide Secure Wireless…
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 Data Center (Nexus/UCS)
Nexus 7000/7700 Software Upgrade via ISSU. Comple…
This article shows how to perform an ISSU (In-Service Software Upgrade) on a Nexus Data Center switch (7000 and 7700 models) and avoid service and network disruption. We explain the importance of kee…
Cisco CallManager-CCME
Introduction to Cisco Unified Communication Manag…
We have been hearing about VoIP for many years now and while some have never worked with it, it has become today's standard in IP Communications and Private Branch Exchange (PBX) or telephony center…
Cisco Routers
How To Fix Cisco Configuration Professional (CCP)…
Our previous article covered how to fix the Cisco Configuration Professional display/window problem where the CCP application is displayed in about one third of the browser’s window. Users looking fo…
TCP - UDP Protocol Analysis
Transmission Control Protocol - Part 2: Quick Ove…
As previously mentioned on a number of occasions, TCP is one of the two protocols that lives at the Transport layer and is used to carry data from one host to another. What makes TCP so popular is th…
Windows Servers
Free Hyper-V eBook - Create, Manage and Troublesh…
With the introduction of Hyper-V on the Windows Server platform, virtualization has quickly become the de facto standard for all companies seeking to consolidate their server infrastructure. While we…
Windows Workstations (XP, 7, 8, 10, 11)
How to View Hidden Files & Folders in Windows 7
This article shows you how to see hiddeen files and folders in Windows 7. Windows 7 hides important system files so that normally, you do not see them while exploring your computer.
The reason behin…
Wi-Fi Key Generator
Follow Firewall.cx
Cisco Password Crack
Decrypt Cisco Type-7 Passwords on the fly!







