Articles That Might Interest:

Ethernet Protocol, CSMA/CD, Collisions

IEEE 802.3 Interframe Spacing

The IEEE 802.3 specification states that before a station can attempt to transmit on the wire, it must first wait until it has heard 9.6 microseconds of silence. Many popular myths have arisen surrou…

ICMP Protocol

ICMP Protocol - Part 7: Time Exceeded Message Ana…

The ICMP - Time Exceeded message is one which is usually created by gateways or routers. In order to fully understand this ICMP message, you must be familiar with the IP header within a packet. Our r…

Cisco Wireless

Cisco Aironet 1242AG /1240 - Multiple SSID & 80…

This article explains how the Cisco 1240 series access point can be setup to provide support for multiple SSID, each SSID assigned to a separate VLAN. This type of configuration is id…

Cisco Firewalls

Cisco ASA 5500 Series Firewall Modules & Cards –…

Cisco’s Adaptive Security Appliance (ASA) Firewalls are one of the most popular and proven security solutions in the industry. Since the introduction of the PIX and ASA Firewall into the market, Cisc…

Windows Servers

Configuring Domain Group Policy for Windows 2003

Windows 2003 Group Policies allow the administrators to manage a group of people accessing a resource efficiently. The group policies can be used to control both the users and computers. They give b…

The OSI Model

The OSI Model: Layer 7 - Application Layer

The Application layer of the OSI model is where users communicate with the computer. The Application layer is responsible for identifying and establishing the availability of the intended communicati…

Linux - Unix

How To Secure Your Linux Server or Workstation -…

Below are some of the most common recommendations and method to effectively secure a Linux Server or Workstation. Boot Disk One of the foremost requisites of a secure Linux server is the boot disk…

Cisco Firewalls

Demystifying Cisco AnyConnect 4.x Licensing. Plus…

In late 2014, Cisco announced the new licensing model for the latest AnyConnect Secure Mobility client v4.x. With this new version, Cisco introduced a number of new features, but also simplified the…

Windows Servers

How to Enable ‘Web Server’ Certificate Template O…

In this article we will show you how to enable the ‘Web Server’ certificate template option on a Windows Certification Authority (Windows CA) Server. The Web Server option is usually not presen…

Network Fundamentals

Firewall Topologies

In this section we are going to talk about the different ways a firewall can be set up. Depending on your needs, you can have a very simple firewall setup which will provide enough protection for you…

SASE & SD-WAN Networks

Configuring A SASE Unified Network: Data centers…

This article explores the need for Secure Access Service Edge (SASE) in today’s organizations. We show how one of the most advanced SASE platforms available, combines VPN and VPN and SD-WAN capabilit…

OpManager - Network Monitoring & Management

Elevate your network management: Maximizing effic…

As technology evolves, so do our networks. Today's sprawling network infrastructures are intricate ecosystems, demanding more from IT teams than ever before. Configuration management, complianc…