Articles That Might Interest:

Cisco Switches

Installation and Setup of Cisco SG500-52P - 500 S…

The SG500 series Cisco switches are the next step up from the already popular SG300 Layer-3 switches. Cisco introduced the SG Small Business series switches to compete against DELL’s and HP’s offerin…

ManageEngine Firewall Analyzer

Dealing with Security Audit Challenges: Discoveri…

The utilization of log analyzers, such as Firewall Analyzer, in network infrastructure plays a pivotal role in enhancing cybersecurity and fortifying the overall security posture of an organization…

Network Protocols

Understanding VPN IPSec Tunnel Mode and IPSec Tra…

IPSec’s protocol objective is to provide security services for IP packets such as encrypting sensitive data, authentication, protection against replay and data confidentiality. As outlined in our IP…

Cisco Routers

How To Secure Your Cisco Router Using Cisco AutoS…

In today’s complex network environments securing your network routers can be a daunting task, especially when there are so many CLI commands and parameters with different security implications for yo…

Ethernet Protocol, CSMA/CD, Collisions

The Ethernet II Frame Format

The following is a description of the frame format described by the original Ethernet Version II specification as released by DEC, Intel, and Xerox. Like the 802.3 spec, the Version II spec defines a…

Linux - Unix

Why Use Linux?

The first question is - what are the benefits of using Linux instead of Windows? This is in fact a constant debate between the Windows and Linux communities and while we won't be taking either side…

Network Address Translation - NAT

Network Address Translation (NAT) Overload - Part…

NAT Overload is the most common NAT method used throughout all networks that connect to the Internet. This is because of the way it functions and the limitations it can overcome, and we'll explore al…

SASE & SD-WAN Networks

Converged SASE Backbone – How Leading SASE Provid…

Global connectivity is top of mind for many IT teams at organizations of all sizes. We are currently in the middle of a dramatic shift in business and technology practice, as users are becoming more…

TCP - UDP Protocol Analysis

TCP Header Anaylsis - Section 6: TCP Options

The TCP Options (MSS, Window Scaling, Selective Acknowledgements, Timestamps, Nop) are located at the end of the TCP Header which is also why they are covered last. Thanks to the TCP Options field we…

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…

Linux - Unix

Configuring Linux Samba (SMB) - How to Setup Samb…

Resource sharing, like file systems and printers, in Microsoft Windows systems, is accomplished using a protocol called the Server Message Block or SMB. For working with such shared resources over a…

Network Protocol Analyzers

How to Perform TCP SYN Flood DoS Attack & Detect…

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 correctly identify one using the Wireshark protocol…