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Palo Alto Networks
Our previous article explained how Palo Alto Firewalls make use of Security Zones to process and enforce security policies. This article will explain the…
Palo Alto Networks
Palo Alto Networks Next-Generation Firewalls rely on the concept of security zones in order to apply security policies. This means that access lists (fire…
Palo Alto Networks
This article explains how to register and activate your Palo Alto Firewall Appliance to obtain technical support, RMA hardware replacement, product update…
Palo Alto Networks
Upgrading your Palo Alto Firewall or Panorama Management System to the preferred PAN-OS release is always recommended as it ensures it remains stable, saf…

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 using…
Windows Servers
In this article, we will cover more advanced DHCP features and topics such as server options, superscopes, multicast scopes, dynamic DNS, DHCP database ba…
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 introduces a n…
Windows Servers
Windows 2003 Group Policies allow the administrators to efficiently manage a group of people accessing a resource. Group policies can be used to control b…

Popular Topics

Network Fundamentals
Network Switches are the evolution of Hubs and Repeaters, and enable the creation of networks by connecting multiple devices together. They are critical c…
Windows Servers
Our previous article covered introduction to the Domain Name System (DNS) and explained the importance of the DNS Server role within the network infrastru…
Routing
IGRP (Interior Gateway Routing Protocol) is a Cisco proprietary distance-vector routing protocol used in enterprise networks to exchange routing informati…
Windows Servers
Sometimes renaming a domain is an essential business requirement. There are many situations, such as mergers, change of company name or migration from a t…

Cisco Services & Technologies
Cisco, as most IT engineers know, covers a wide range of products and services. These range from routers to switches, firewalls, intrusion prevention syst…
Cisco Switches
This article shows how to reset a password on a Cisco Catalyst 3750-X (stacked or single unit) and Cisco Catalyst 3560-x switch without losing its startup…
Cisco Wireless
Our previous article introduced Cisco’s popular Wireless ControllerCisco’s popular Wireless Controller (WLC) devices and examined their benefits to enterp…
Cisco Firewalls
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 num…