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SASE & SD-WAN Networks

Check Point Software and Cato Networks Co-Founder…

By: Shlomo Kramer, Check Point Software & Cato Networks Co-Founder As one of the founders of Check Point Software and more recently Cato Networks, I’m often asked for my opinion on the future of…

Cisco Data Center (Nexus/UCS)

Complete Guide to Nexus Checkpoint & Rollback Fea…

The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration before making any changes. The captured configura…

Palo Alto Networks

The Ultimate Guide to Palo Alto Networks Software…

Discover the ins and outs of using Palo Alto Networks’ Software NGFW (Flex) credits to seamlessly renew your cloud-based or virtualized software NGFW devices! Dive into this exciting guide where we u…

Cisco CallManager-CCME

Cisco CallManager Express Basic Concepts - Part 2

Our previous article, Cisco CallManager Express Basic Concepts - Part 1 covered the very basic concepts of CCME and its operation. This article continues with the Cisco CallManager Express basic conc…

Network Protocol Analyzers

How to Detect P2P (peer-to-peer) File Sharing, To…

Peer-to-Peer file sharing traffic has become a very large problem for many organizations as users engage in illegal (most times) file sharing processes that not only consumes valuable bandwidth, but…

Cisco Routers

Introduction To Routers

Welcome to the Routers section. Here we will analyse routers quite some depth; what they do and how they work. We must point out that knowlege on the OSI model is recommended, plus understanding of h…

Linux - Unix

Installation and Configuration of Linux DHCP Serv…

For a cable modem or a DSL connection, the service provider dynamically assigns the IP address to your PC. When you install a DSL or a home cable router between your home network and your modem, your…

Cisco Routers

Cisco GRE and IPSec - GRE over IPSec - Selecting…

GRE Tunnels are very common amongst VPN implementations thanks to their simplicity and ease of configuration. With broadcasting and multicasting support, as opposed to pure IPSec VPNs, they tend to b…

Windows Servers

Windows 2003 DNS Server Installation & Configurat…

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 records stored in its database. On the Intern…

Supernetting & CIDR

What is Supernetting (Route Summarization) & How…

Supernetting is the opposite of of subnetting, and is also known as route aggregation or CIDR (Classless Inter-Domain Routing). Supernetting is a technique that allows multiple smaller network blocks…

Web Application Vulnerability Scanners

What is Cross-site Scripting (XSS)? Why XSS is a…

Part one of our two-part series on Cross-site scripting (XSS) explains what are XSS attacks. We also take a close look on how XSS exploits work (urls, cookies, web cache etc.) and analyze their impac…

SASE & SD-WAN Networks

SASE and VPNs: Reconsidering your Mobile Remote A…

The Virtual Private Network (VPN) has become the go to security solution for keeping communications between networks and endpoints secure. After all, VPNs offer a straightforward, secure method for c…