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MS Server Articles:

Windows Servers
FREE Hyper-V & VMware Virtualization Backup:  FREE for Firewall.cx readers for a Limited Time!  Download Now! Windows Server 2012 Edi…
Windows Servers
NIC Teaming, also known as Windows Load Balancing or Failover (LBFO), is an extremely useful feature supported by Windows Server 2012 that allows the…
Windows Servers
One of Windows Server 2016 highlights is the newer Hyper-V server that not only extends the hypervisor’s features and capabilities but also introduce…
Windows Servers
DHCP (Dynamic Host Configuration Protocol) is a protocol that allows clients on a network to request network configuration settings from a server run…

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Virtualization & VM Backup Articles:

In this article we will show you how to enable SNMP on your VMware ESXi host, configure SNMP Community string and configure your ESXi firewall to all…
Backup and Disaster recovery are core considerations for any business with an IT footprint, whether that is on-premises or in the cloud. Your busine…
In this article, we'll show you how to deal with VMs which are reported to have an Invalid Status as shown in the screenshot below. This is a co…
When considering your VM backup solution, key features such as deduplication are incredibly important. This is not simply from a cost perspective but…

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Linux - Unix
You could actually skip this whole section for those who are already familiar with the topic, but we highly recommend you read it because this is the hear…
Linux - Unix
In the previous articles, we spoke about the Internet Domain Hierarchy and explained how the ROOT servers are the DNS servers, which contain all the infor…
Linux - Unix
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 co…
Linux - Unix
So far we have covered in great detail the main files required for the firewall.cx domain. These files, which we named db.firewall.cx and db.192.168.0, de…

Popular Topics

Cisco Switches
Our previous article shows how to perform a password recovery on the Cisco Catalyst switches. This article will now explain how to disable or enable the C…
Network Protocol Analyzers
ARP attacks and ARP flooding are common problems small and large networks are faced with. ARP attacks target specific hosts by using their MAC address and…
OpManager - Network Monitoring & Management
Defending your client's network from faulty configuration changes, poor compliance, and bringing the network back quickly from downtime can be challenging…
VLAN Networks
Designing and building a network is not a simple job. VLANs are no exception to this rule, in fact they require a more sophisticated approach because of t…