Skip to main content

Suggested Articles:

OpManager - Network Monitoring & Management
Accurately monitoring your organization’s business application performance, service provider SLA breaches, network infrastructure traffic, bandwidth…
ManageEngine Firewall Analyzer
In today’s evolving threat landscape, firewall audits are more than just a best practice—they're a critical line of defense. Regular audits ensure yo…
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…
EventLog Analyzer
This article explores the exciting new features of Windows Server 2022 and emphasizes the critical role of analyzing Windows Server logs. You'll also…

Featured Subcategories:

WireShark Articles:

HTTP reconstruction is an advanced network security feature offered by nChronos version 4.3.0 and later. nChronos is a Network Forensic Analysis appl…
This article will help you understand TCP SYN Flood Attacks, show how to perform a SYN Flood Attack (DoS attack) using Kali Linux & hping3 and co…
When working with medium to large scale networks, IT departments are often faced dealing with network loops and broadcast storms that are caused by u…
Peer-to-Peer file sharing traffic has become a very large problem for many organizations as users engage in illegal (most times) file sharing process…

All-in-one protection for Microsoft 365

All-in-one protection for Microsoft 365

FREE Hyper-V & VMware Backup

FREE Hyper-V & VMware Backup

Enterprise-Class Cloud & Network Monitoring

Enterprise Class Cloud & Network Monitoring - Free Download

Wi-Fi Key Generator

Generate/Crack any
WEP, WPA, WPA2 Key!

Network and Server Monitoring

Network and Server Monitoring

Follow Firewall.cx

Cisco Password Crack

Decrypt Cisco Type-7 Passwords on the fly!

Decrypt Now!

Bandwidth Monitor

Zoho Netflow Analyzer Free Download

Free PatchManager

Free PatchManager

Security Podcast

Hornet-Security-The-Swarm-Podcast

Firewall Analyzer

zoho firewall analyzer


Palo Alto Networks
Palo Alto Networks Next-Generation Firewalls rely on the concept of security zones in order to apply security policies. This means that access lists (fire…
Palo Alto Networks
Our previous article examined the benefits of Palo Alto Networks Firewall Single Pass Parallel Processing (SP3) architecture and how its combine with the…
Palo Alto Networks
This article explains how to register and activate your Palo Alto Firewall Appliance to obtain technical support, RMA hardware replacement, product update…
Palo Alto Networks
Our previous article explained how Palo Alto Firewalls make use of Security Zones to process and enforce security policies. This article will explain the…

Windows Servers
As more companies around the world adopt the virtualization technology to increase efficiency and productivity, Microsoft’s Hyper-V virtualization platfor…
Windows Servers
One of the first things IT Administrators and IT Managers notice after a fresh installation of Windows 2012 Server is that there are no Desktop Icons apar…
Windows Servers
One of Windows Server 2016 highlights is the newer Hyper-V server that not only extends the hypervisor’s features and capabilities but also introduces a n…
Windows Servers
In this article we will show you how to enable the ‘Web Server’ certificate template option on a Windows Certification Authority (Windows CA) Server. …

Popular Topics

VLAN Networks
If you've read our previous article The VLAN Concept - Introduction to VLANs  then you should feel comfortable with terms such as 'VLAN', 'Stati…
Network Fundamentals
A long-long time ago (not long ago in earth time) 100 Mbps was THE technology. 100 Mbps uplinks bundled with ether-channel was the ultimate uplink technol…
Windows Servers
In this article, we will cover more advanced DHCP features and topics such as server options, superscopes, multicast scopes, dynamic DNS, DHCP database ba…
Routing
This is the thrid article of our 6-part OSPF series (see below) that describes how OSPF routers perform neighbor relationship and adjacency. We’ll examine…

Cisco Routers
The Point to Point Tunneling Protocol (PPTP) is a network protocol used to create VPN tunnels between public networks. These VPN tunnels are encrypted fro…
Cisco Services & Technologies
This article shows how to fix the Cisco VPN Reason 442: Failed to enable Virtual Adapter error on the Windows 7 (32bit or 64bit) operating system. If you…
Cisco CallManager-CCME
This article introduces basic CallManager Express (CCME) concepts by covering how a CCME router operates, how calls are setup between Cisco IP phones but…
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 chassi…