Articles That Might Interest:

ManageEngine

Free IT Operations Management (ITOM) & Artificial…

With digital transformation revolutionizing the IT industry, Artificial Intelligence for IT Operations (AIOps) has become one of the hottest topics in the IT operations management (ITOM) space. At t…

Windows Servers

The Importance of a Comprehensive Backup Strategy…

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 of backing up data however in order to backu…

SASE & SD-WAN Networks

Complete Guide to SD-WAN. Technology Benefits, SD…

SD-WAN is the answer for enterprises and organizations seeking to consolidate network functions and services while at the same time simplify their WAN infrastructure and its management. SD-WANs are…

Palo Alto Networks

Palo Alto Firewall Application-based Policy Enfor…

Our previous article examined the benefits of Palo Alto Networks Firewall Single Pass Parallel Processing (SP3) architecture and how its combine with the separate Data and Control planes to boost fir…

Cisco Routers

MPLS Case Study: Why Route Summarization is not R…

MPLS generates Implicit Null label (The Implicit NULL label is the label that has a value of 3) for directly connected interfaces and for the summary routes. Label Switch Router (LSR) generates this…

Ethernet Protocol, CSMA/CD, Collisions

The IEEE 802.3 Frame Format

The following is a description of the Ethernet Frame Format described in the IEEE 802.3 Specification. The 802.3 Specification defines a 14 byte Data Link Header followed by a Logical Link Control He…

Domain Name System (DNS)

The DNS Protocol - Part 2: DNS Queries & Resoluti…

This section will help you understand how the DNS queries work on the Internet and your home network. There are two ways to use the domain name system in order to resolve a host or domain name to an…

Cisco Routers

Configuring Cisco Site to Site IPSec VPN with Dyn…

This article serves as an extension to our popular Cisco VPN topics covered here on Firewall.cx. While we’ve covered Site to Site IPSec VPN Tunnel Between Cisco Routers (using static public IP addres…

Cisco Routers

Cisco VPN Client Configuration - Setup for IOS Ro…

Remote VPN access is an extremely popular service amongst Cisco routers and ASA Firewalls. The flexibility of having remote access to our corporate network and its resources literally from anywhere i…

Cisco Firewalls

Understand & Configure NAT Reflection, NAT Loopba…

This article examines the concept of NAT Reflection, also known as NAT Loopback or Hairpinning, and shows how to configure a Cisco ASA Firewall running ASA version 8.2 and earlier plus ASA version 8…

Web Application Vulnerability Scanners

Top 3 Most Popular Web Application Vulnerabilitie…

Since 2011 Web Application Vulnerability scanners scanned 396 open source web applications. The scanners identified 269 vulnerabilities and a popular web vulnerability scanner published 114 advisorie…

Cisco Wireless

Understanding, Configuring & Tweaking Web-based C…

Cisco Aironet Access Points, just like most Cisco devices, provide a web interface from which we are able to configure the device. It is often we are presented with a number of options and settings…