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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…

VPN Services & Guides

Best VPN Review: StrongVPN. Download Speed Τest…

StrongVPN is one of the most popular VPN service around the world. With a presence in over 23 countries,+650 servers, cheap prices, Strong Encryption and blazing fast download speeds – it rightf…

Cisco CallManager-CCME

How To Stop CallManager (CUCM) 7, 8, 9, 10.5 with…

Cisco Unified CallManager (CUCM) and its Voice Gateway relies on the telecommunication provider (telco) to send the correct call details for every incoming call, to allow the system to correctly proc…

Virtualization & VM Backup

6 Key Areas to Consider When Selecting a VM Backu…

Backup and Disaster recovery are core considerations for any business with an IT footprint, whether that is on-premises or in the cloud. Your business depends on reliable IT systems to support the b…

Ethernet Protocol, CSMA/CD, Collisions

802.3 Fast Ethernet (100 Mbit/Sec) Model

Here we see a logical drawing of the Fast Ethernet Data Link Layer sublayers. Data is passed down from the upper layers (such as TCP/IP or Novell Netware) to the LLC sublayer. From there it is passed…

Windows Servers

Windows 2003 DHCP Server Installation & Configura…

DHCP (Dynamic Host Configuration Protocol) is a protocol that allows clients on a network to request network configuration settings from a server running the DHCP server service which, in our case, w…

VLAN Networks

VLAN Security - Making the Most of VLANs

It's easy to see why virtual LANs have become extremely popular on networks of all sizes. In practical terms, multiple VLANs are pretty much the same as having multiple separate physical networks wit…

Windows Servers

Windows 2012 Server NIC Teaming – Load Balancing/…

NIC Teaming, also known as Windows Load Balancing or Failover (LBFO), is an extremely useful feature supported by Windows Server 2012 that allows the aggregation of multiple network interface cards t…

Cisco Routers

Cisco Router PPP Multilink Setup and Configuration

This article provides an in-depth explanation of PPP Multilink and shows how to configure a Cisco router to use PPP Multilink between two serial interfaces (WIC-1T). We'll show you the commands that…

Cisco Switches

Cisco Catalyst 4500 Series Zero-Downtime IOS Upgr…

The Supervisor Engine is the heart of the Cisco Catalyst 4500 and 6500 series switches. It is the equivalent of an engine in a car. Every packet that enters or exits your switch passes through the Su…

Linux - Unix

Updating Your Linux Server - How to Update Linux…

Like any other software, an operating system needs to be updated. Updates are required not only because of the new hardware coming into the market, but also for improving the overall performance and…

Windows Servers

Windows Server 2012 File Server Resources Manager…

The Windows Server 2008 first carried FSRM or Fie Server Resources Manager, which allowed administrators to define the file types that users could save to file servers. Windows FSRM has been a part o…