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MS Server Articles:

Windows Servers
There are umpteen reasons why your Windows Server 2012 R2 decides to present you with a Blue Screen of Death (BSOD) or the stop screen. As virtual ma…
Windows Servers
FREE Hyper-V & VMware Backup:  FREE for Firewall.cx readers for a Limited Time!  Download Now! Virtualization is an abstraction layer…
Windows Servers
DNS is used for translating host names to IP addresses and the reverse, for both private and public networks (i.e.: the Internet). DNS does this by u…
Windows Servers
In this article we will show you how to enable the ‘Web Server’ certificate template option on a Windows Certification Authority (Windows CA) Server…

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Virtualization & VM Backup Articles:

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…
Microsoft 365 is an incredibly powerful software suite for businesses, but it is becoming increasingly targeted by people trying to steal your data…
SysAdmin Day has arrived, and with it, gratitude for all the unsung heroes that 2020 has needed. Your hard work has made it possible for all of us to…
SSH access to VMware’s ESXi server is by disabled by default however there are many reasons where SSH might be required. VMware and System administra…

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Linux - Unix
When you are using Vim, you want to know three things - getting in, moving about and getting out. Of course, while doing these three basic operations, you…
Linux - Unix
Vsftpd is a popular FTP server for Unix/Linux systems. For thoes unaware of the vsftpd ftp server, note that this is not just another ftp server, but a ma…
Linux - Unix
Installing software in Linux is very different from Windows for one very simple reason: most Linux programs come in 'source code' form. This allows you to…
Linux - Unix
Security researchers at qualys.com yesterday released information on a critical 15 year-old Linux security hole which affects millions of Linux systems da…

Popular Topics

ManageEngine Firewall Analyzer
Firewall security management is a combination of monitoring, configuring, and managing your firewall to make sure it runs at its best to effectively ward…
Cisco Routers
The DNS protocol is used to resolve FQDN (Fully Qualified Domain Names) to IP addresses around the world. This allows us to successfully find and connect…
Windows Workstations (XP, 7, 8, 10, 11)
In this article, we will show how to add a Windows 8 or Windows 8.1 client to a Windows Domain / Active Directory. The article can be considered an extent…
Network Protocol Analyzers
HTTP reconstruction is an advanced network security feature offered by nChronos version 4.3.0 and later. nChronos is a Network Forensic Analysis applicati…