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OpManager - Network Monitoring & Management

Boost Network Security and Efficiency with Intell…

Network alerts are vital for maintaining your network's health, efficiency, and security, ensuring seamless daily operations. They act as an early wa…
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Troubleshooting network problems can be a very intensive and challenging process. Intermittent network problems are even more difficult to troublesho…
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Event Log Monitoring System: Implementation, Chal…

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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WireShark Articles:

How to Detect P2P (peer-to-peer) File Sharing, To…

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…

Advanced Network Protocol Analyzer Review: Colaso…

Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review…

Introducing Colasoft Unified Performance Manageme…

Colasoft Unified Performance Management (UPM) is a business-oriented network performance management system, which analyzes network performance, quali…

How to Reconstruct HTTP Packets/Data & Monitor HT…

HTTP reconstruction is an advanced network security feature offered by nChronos version 4.3.0 and later. nChronos is a Network Forensic Analysis appl…

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Palo Alto Networks

Palo Alto Networks

Configuring QoS on Palo Alto Firewalls: Class-based Po…

This article’s purpose is to help you quickly master Palo Alto QoS concepts and learn to configure QoS on Palo Alto Firewalls in a simple and efficient wa…
Palo Alto Networks

Palo Alto Firewall Configuration Options. Tap Mode, Vi…

Our previous article explained how Palo Alto Firewalls make use of Security Zones to process and enforce security policies. This article will explain the…
Palo Alto Networks

The Ultimate Guide to Palo Alto Networks Software NGFW…

Discover the ins and outs of using Palo Alto Networks’ Software NGFW (Flex) credits to seamlessly renew your cloud-based or virtualized software NGFW devi…
Palo Alto Networks

How to Manually Download, Import & Install PAN-OS on P…

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

Windows Servers

Introduction to Windows DNS – The Importance of DNS fo…

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

Free Webinar: Scripting & Automation in Hyper-V withou…

System Center Virtual Machine Manager (SCVMM) provides some great automation benefits for those organizations that can afford the hefty price tag. However…
Windows Servers

Free Hyper-V eBook - Create, Manage and Troubleshoot Y…

With the introduction of Hyper-V on the Windows Server platform, virtualization has quickly become the de facto standard for all companies seeking to cons…
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Installing Active Directory Services & Domain Controll…

This article serves as an Active Directory tutorial covering installation and setup of Windows 2012 Active Directory Services Role & Domain Controller…

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Detect Brute-Force Attacks with nChronos Network Secur…

Brute-force attacks are commonly known attack methods by which hackers try to get access to restricted accounts and data using an exhaustive list/database…
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Free Webinar & eBook on Microsoft Licensing for Virtua…

Microsoft Licensing for Virtual environments can become a very complicated topic, especially with all the misconceptions and false information out there…
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The Importance of a Comprehensive Backup Strategy for…

People and companies usually adopt a backup strategy suited to the needs of their working environment. As such, there is no absolute right or wrong method…
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New Features in Windows Server 2012 - Why Upgrade to…

There is no doubt that Cloud Computing is hot topic these days. Innovations in cloud computing models have made every industry and company IT departments…

Cisco Topics

Cisco Routers

Configuring Point-to-Point GRE VPN Tunnels - Unprotect…

Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco that allows the encapsulation of a wide variety of network layer protocols…
Cisco Routers

Cisco Router 'Privileged' Mode

To get into Privileged Mode we enter the "Enable" command from User Exec Mode. If set, the router will prompt you for a password. Once in Privileged Mode…
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Renewing Cisco Certifications without sitting for a Ci…

Without a doubt, Cisco certifications and specializations are among the most popular vendor certifications in the IT industry, and earning them doesn’t co…
Cisco Switches

Spanning Tree BPDU Guard and Errdisable Interface Auto…

Running Spanning Tree Protocol (STP) in a large network environment can be a challenging task especially when features/enhancements such as BPDU Filter an…