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OpManager - Network Monitoring & Management
In the rapidly evolving landscape of cyber threats, network security has never been more crucial. With the frequency and sophistication of cyberattac…
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An event log monitoring system, often referred to as an event log management, is a critical component to IT security & Management, that helps org…
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Windows Servers stand as prime targets for hackers and malicious actors due to their widespread usage and historical vulnerabilities. These systems o…
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WireShark Articles:

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…
Troubleshooting network problems can be a very difficult and challenging task. While most IT engineers use a network analyzer to help solve network p…
HTTP reconstruction is an advanced network security feature offered by nChronos version 4.3.0 and later. nChronos is a Network Forensic Analysis appl…
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…

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Palo Alto Networks
What makes Palo Alto Networks Next-Generation Firewall (NGFW) so different from its competitors is its Platform, Process and Architecture. Palo Alto Netwo…
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
This article will show you how to configure an IPSec VPN tunnel between a Palo Alto firewall (all PANOS versions) and Meraki MX security appliance. Our co…
Palo Alto Networks
This article provides comprehensive guidance on the manual processes involved in downloading, uploading, and installing (import) any PAN-OS version on a P…

Windows Servers
FREE Hyper-V & VMware Backup:  FREE for Firewall.cx readers for a Limited Time!  Download Now! Virtualization is an abstraction layer that…
Windows Servers
Our previous article explained what Group Policy Objects (GPO) are and showed how group policies can be configured to help control computers and users wit…
Windows Servers
The Domain Name System (DNS) is perhaps one of the most important services for Active Directory. DNS provides name resolution services for Active Director…
Windows Servers
Windows 2003 Group Policies allow the administrators to manage a group of people accessing a resource efficiently. The group policies can be used to contr…

Popular Topics

VLAN Networks
The invention of VLANs was very much welcomed by all engineers and administrators, allowing them to extend, redesign and segment their existing network wi…
Network Protocol Analyzers
Peer-to-Peer file sharing traffic has become a very large problem for many organizations as users engage in illegal (most times) file sharing processes th…
Network Fundamentals
Power over Ethernet (PoE) was invented by PowerDsine back in 1997 and the first power injector (Midspan) was installed in 1998! Many manufacturespartnered…
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…

Cisco Services & Technologies
 What Is Unified Communications (UC)? Unified communications is a very popular term these days and we see it appearing on almost every vendor as the…
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 Routers
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco that allows the encapsulation of a wide variety of network layer protocols…
Cisco Data Center (Nexus/UCS)
The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration befo…