Articles That Might Interest:

SASE & SD-WAN Networks

SASE and VPNs: Reconsidering your Mobile Remote A…

The Virtual Private Network (VPN) has become the go to security solution for keeping communications between networks and endpoints secure. After all, VPNs offer a straightforward, secure method for c…

Ethernet Protocol, CSMA/CD, Collisions

Propagation Delay

You may know that the minimum frame size in an Ethernet network is 64 bytes or 512 bits, including the 32 bit CRC. You may also know that the maximum length of an Ethernet cable segment is 500 meters…

Cisco Routers

How To Configure ISDN Internet Dialup On A Cisco…

Some time ago, when broadband and ADSL wasn't available, analog and digital (ISDN) modems were the only way to connect to the Internet. Even though today ISDN isn't used much for Internet connectivit…

Cisco Services & Technologies

Renewing Cisco Certifications without sitting for…

Without a doubt, Cisco certifications and specializations are among the most popular vendor certifications in the IT industry, and earning them doesn’t come easy. Anyone who’s achieved a Cisco certif…

Network Protocols

File Transfer Protocol - FTP

File transfer is among the most frequently used TCP/IP applications and it accounts for a lot of the network traffic on the Internet. Various standard file transfer protocols existed even before the…

VPN Services & Guides

The Ultimate TOR vs VPN Guide – How TOR/VPN Works…

Back then, the Internet was so very young. Those were the times of Windows Maze Screensaver, of the classy Minesweeper, of grey-white MS Paint, and of silvery floppy disks. Gone are those days. Now…

ManageEngine Firewall Analyzer

Master Your Firewall: 6 Expert-Backed Steps to Bo…

In today’s evolving threat landscape, firewall audits are more than just a best practice—they're a critical line of defense. Regular audits ensure your firewall configurations are aligned with organi…

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…

Palo Alto Networks

How to Register a Palo Alto Firewall and Activate…

This article explains how to register and activate your Palo Alto Firewall Appliance to obtain technical support, RMA hardware replacement, product updates, antivirus updates, wildfire, antispam upda…

Cisco Switches

DHCP Option 82 Message Format, Analysis. DHCP Sno…

This article provides in-depth analysis of DHCP Option 82 (DHCP Relay Agent) which is one of the +180 DHCP Options available to the DHCP protocol and used by the Bootstrap Protocol (BOOTP) used for a…

Network Cabling

USB Direct Cable Connection, USB Versions, Specif…

Today, Serial and Parallel Direct Cable Connections are considered obsolete methods of transferring data between computers. The fact is that even USB Direct Cable Connection (DCC), is not all that po…

Cisco Switches

Complete Guide to DHCP Snooping, How it Works, Co…

This article covers popular Layer 2 & Layer 3 network attacks with a focus on DHCP Starvation Attacks, Man-in-the-Middle attacks, unintentional rogue DHCP servers and explains how security featur…