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EventLog Analyzer

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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How to Use Multi-Segment Analysis to Troubleshoot…

Troubleshooting network problems can be a very intensive and challenging process. Intermittent network problems are even more difficult to troublesho…
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Detecting Windows Server Security Threats with Ad…

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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Detect Brute-Force Attacks with nChronos Network…

Brute-force attacks are commonly known attack methods by which hackers try to get access to restricted accounts and data using an exhaustive list/dat…

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WireShark Articles:

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…

How To Detect ARP Attacks & ARP Flooding With Col…

ARP attacks and ARP flooding are common problems small and large networks are faced with. ARP attacks target specific hosts by using their MAC addres…

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Troubleshooting network problems can be a very intensive and challenging process. Intermittent network problems are even more difficult to troublesho…

Improve Network Analysis Efficiency with Colasoft…

Troubleshooting network problems can be a very difficult and challenging task. While most IT engineers use a network analyzer to help solve network p…

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Palo Alto Networks

Palo Alto Networks

Introduction to Palo Alto Next-Generation Network Fire…

During the past decade, we’ve seen the global IT security market flooded with new network security and firewall security appliances. New vendors emerging…
Palo Alto Networks

How to Fix Palo Alto Firewall “Error: Image File Authe…

Keeping your Palo Alto Firewall up to date with the latest PAN-OS software updates is an important step to ensure your organization is protected against t…
Palo Alto Networks

Palo Alto Firewalls Security Zones – Tap Zone, Virtual…

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

Palo Alto Networks Firewall - Web & CLI Initial Config…

This article is the second-part of our Palo Alto Networks Firewall technical articles. Our previous article was introduction to Palo Alto Networks Firewal…

Windows Servers

Windows Servers

Configuring Local Group Policy for Windows 2003

Windows 2003 Group Policies allow the administrators to efficiently manage a group of people accessing a resource. Group policies can be used to control b…
Windows Servers

Free Webinar: Troubleshooting & Fixing Microsoft Hyper…

Users working with Hyper-V Virtualization would be interested to know that Altaro is hosting a free webinar on the 25th of February 2016 at 4pm CET / 10am…
Windows Servers

The Importance of a Hyper-V & VMware Server Backup Too…

Using Hyper-V Server virtualization technology, you can virtualize your physical environment to reduce the cost of physical hardware. As part of IT best p…
Windows Servers

Windows Server 2016 – Hyper-V Virtualization Update

The new Hyper-V virtualization features offered by Windows Server 2016 are planning to make major changes in the virtualization market. From Nested Hyper-…

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Windows Servers

Windows 2003 DHCP Server Installation & Configuration

DHCP (Dynamic Host Configuration Protocol) is a protocol that allows clients on a network to request network configuration settings from a server running…
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VTP Pruning

VTP (VLAN Trunking Protocol) pruning is a feature that is used in Cisco switches to reduce unnecessary traffic in VLAN (Virtual Local Area Network) trunks…
Virtualization & VM Backup

How to Enable SNMP on VMware ESXi Host & Configure ESX…

In this article we will show you how to enable SNMP on your VMware ESXi host, configure SNMP Community string and configure your ESXi firewall to allow or…
Routing

OSPF - Part 4: OSPF Neighbor States – OSPF Neighbor Fo…

This is the third article of our OSPF series which analyzes the different OSPF States routers go through during the OSPF discovery and neighbor forming pr…

Cisco Topics

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Free Cisco IP Phone & ATA Firmware (SCCP & SIP) Downl…

Firewall.cx readers can now download free Cisco firmware files for all Cisco IP Phones & Cisco ATA devices. Our new Cisco IP Phone & ATA Firmware…
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Introducing The Cisco Technical Support Mobile App (Ap…

By: Arani Mukherjee & Chris Partsenidis For a successful networking professional it is essential to gain information on-the-fly about the network inf…
Cisco Switches

Discover Features & Capabilities - Cisco Catalyst 3850…

There’s a new switch around the block and its name is Catalyst 3850 – Cisco’s latest addition to its successful Catalyst series switches. The Cisco Cataly…
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…