Contact Firewall.cx
Articles That Might Interest:
Network Protocol Analyzers
How to Detect Routing Loops and Physical Loops wi…
When working with medium to large scale networks, IT departments are often faced dealing with network loops and broadcast storms that are caused by user error, faulty network devices or incorrect con…
Windows Servers
Hyper-V Best Practices - Replica, Cluster, Backup…
Hyper-V has proven to be a very cost effective solution for server consolidation. Evidence of this is also the fact that companies are beginning to move from VMware to the Hyper-V virtualization plat…
Virtualization & VM Backup
8 Critical Features to Have in a VM Backup Soluti…
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtual machines stems from the benefits of virtualizati…
Windows Servers
Windows Server 2016 VM Backup with Altaro's New V…
Altaro has released Altaro VM Backup, a faster and lighter upgrade to its flagship Hyper-V and VMware backup solution, which now supports all Windows Server editions and includes several highly-reque…
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…
The OSI Model
The OSI Model: Layer 1 - Physical Layer
The Physical layer has two responsibilities: it sends bits and receives bits. Bits come only in values of 1 or 0. The Physical layer communicates directly with the various types of actual communicati…
Ethernet Protocol, CSMA/CD, Collisions
The IEEE 802.3 SNAP Frame Format
While the original 802.3 specification worked well, the IEEE realized that some upper layer protocols required an Ethertype to work properly. For example, TCP/IP uses the Ethertype to differentiate b…
Cisco CallManager-CCME
Cisco CallManager Express CME v8.8 & v9.0 GUI Web…
Cisco's CallManager Express GUI interface is an important part of the CallManager Express product as it provides the ability to administer CME via a web browser. Generally, the CME GUI interface is e…
Virtualization & VM Backup
SysAdmin Day 2020 - Get your Free Amazon Voucher…
SysAdmin Day has arrived, and with it, gratitude for all the unsung heroes that 2020 has needed. Your hard work has made it possible for all of us to keep going, despite all challenges thrown our way…
Cisco Services & Technologies
Comparing Cisco VPN Technologies – Policy Based v…
Virtual Private Networks constitute a hot topic in networking because they provide low cost and secure communications between sites (site-to-site VPNs) while improving productivity by extending corpo…
Cisco Routers
How to Restrict Cisco IOS Router VPN Client to La…
In our article Cisco VPN Client Configuration - Setup for IOS Router we explained how to setup up a Cisco IOS router to support Cisco IPSec VPN clients, allowing remote users to securely connec…
Cisco Switches
Cisco Catalyst Err-disabled Port State, Enable &…
Errdisable is a feature that automatically disables a port on a Cisco Catalyst switch. When a port is error disabled, it is effectively shut down and no traffic is sent or received on that port…
Wi-Fi Key Generator
Follow Firewall.cx
Cisco Password Crack
Decrypt Cisco Type-7 Passwords on the fly!







