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Windows Servers

Free Webinar & eBook on Microsoft Licensing for V…

Microsoft Licensing for Virtual environments can become a very complicated topic, especially with all the misconceptions and false information out there. Thankfully Altaro, the leader in Hyper-V Back…

Cisco CallManager-CCME

Download Cisco CallManager Express CCME GUI Admin…

Most engineers are aware that to download and install the latest Cisco CallManager Express (CCME) Graphical User Interface (GUI) files, Cisco requires a registered CCO account with the necessary priv…

Linux - Unix

Linux BIND DNS - Part 2: Configuring db.domain Z…

It's time to start creating our zone files. We'll follow the standard format, which is given in the DNS RFCs, in order to keep everything neat and less confusing. First step is to decide on the doma…

Network Fundamentals

Hubs & Repeaters

Network hubs were once the primary method of interconnecting network devices to create a local area network (LAN). Hubs were inexpensive, easy to install, and provided a simple means of connecting mu…

ManageEngine Firewall Analyzer

Achieving Modern Compliance: Navigate PCI DSS v4…

In an era where cyber threats are growing in both volume and sophistication, failing to meet security compliance standards is no longer just a legal issue—it’s a business risk with potentially catast…

VLAN Networks

VLAN Tagging - Understanding VLANs Ethernet Frames

We mentioned that Trunk Links are designed to pass frames (packets) from all VLANs, allowing us to connect multiple switches together and independently configure each port to a specific VLAN. However…

Virtualization & VM Backup

5 Most Critical Microsoft M365 Vulnerabilities Re…

Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data. The good news is that there are plenty of ways adm…

Netflow

Netflow vs SNMP. Two Different Approaches to Netw…

SNMP (Simple Network Management Protocol) and Netflow are both popular protocols with admins, prized for their ability to give visibility over the network and in some cases discern the cause of netwo…

Web Application Vulnerability Scanners

Understanding, Avoiding & Protecting Against Cros…

This article explains what a web browser cookie is and examines how Cross Site Request Forgery work by allowing hackers to intercept and access web browser cookies from unaware users trying to l…

Windows Servers

Free Webinar: Scripting & Automation in Hyper-V w…

System Center Virtual Machine Manager (SCVMM) provides some great automation benefits for those organizations that can afford the hefty price tag. However, if SCVMM isn’t a cost effective solution fo…

Ethernet Protocol, CSMA/CD, Collisions

Migrating From Ethernet To Fast Ethernet

In this article we will analyze the following aspects of upgrading/migrating from 10Mbit Ethernet to 100Mbit Ethernet. Cabling Incompatible Implementations Repeaters In Fast Ethernet Replacemen…

Network Cabling

10Base-T/2/5/F/35 - Ethernet

The 10Base-T UTP Ethernet and 10Base-2 Coax Ethernet were very popular in the early to mid 1990's when 100 Mbps network cards and hubs/switches were very expensive. Today's prices have dropped so muc…