Articles That Might Interest:

Cisco CallManager-CCME

How to Enable & Disable Phone Port Lines on Cisco…

The Cisco ATA 186 and 188 analog phone adaptor is very common amongst Cisco CallManager (CUCM) & Cisco CallManager Express (CUCME) installations. The ATA 186/188 provides two analog phone ports…

Cisco Switches

Complete Guide to DHCP Snooping, How it Works, Co…

This article covers popular Layer 2 & Layer 3 network attacks with a focus on DHCP Starvation Attacks, Man-in-the-Middle attacks, unintentional rogue DHCP servers and explains how security featur…

Web Application Vulnerability Scanners

Everything You Need to Know About SQL Injection A…

SQL Injection Attacks are one of the most popular attacks against web servers, websites and web applications. A fairly popular website can expect to receive anywhere between 80 and 250 SQL injection…

Cisco Services & Technologies

Renewing Cisco Certifications without sitting for…

Without a doubt, Cisco certifications and specializations are among the most popular vendor certifications in the IT industry, and earning them doesn’t come easy. Anyone who’s achieved a Cisco certif…

Linux - Unix

Linux BIND DNS - Part 1: Introduction To The DNS…

BIND (Berkely Internet Name Domain) is a popular software for translating domain names into IP addresses and usually found on Linux servers. This article will explain the basic concepts of DNS BIND a…

Web Application Vulnerability Scanners

Free Web Application Vulnerability Report (2019)…

Acunetix has just released their annual Web Application Vulnerability report which aims to provide security professionals, web application developers, system administrators, web server administrators…

Palo Alto Networks

Complete Guide: Configuring IPSec VPN between Pal…

This article will show you how to configure an IPSec VPN tunnel between a Palo Alto firewall (all PANOS versions) and Meraki MX security appliance. Our comprehensive guide includes IPSec VPN setup fo…

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

How to Test for SQL Injection Attacks & Vulnerabi…

SQL injection vulnerabilities have held the first spot on the OWASP Top 10 list for quite some time. This is due to the fact that they are both still widespread and can lead to very serious consequen…

Cisco Switches

Basic & Advanced Catalyst Layer 3 Switch Configur…

This article covers basic and advanced configuration of Cisco Catalyst Layer-3 switches such as the Cisco Catalyst 3560G, 3560E, 3560-X, 3750, 3750E, 3750-X, 3850, 4500, 6500 , 9300, 9400 series, and…

Routing

Interior Gateway Protocol - IGRP

IGRP (Interior Gateway Routing Protocol) is a Cisco proprietary distance-vector routing protocol used in enterprise networks to exchange routing information between routers. IGRP is a predecessor to…

Cisco Routers

Cisco Router 'Privileged' Mode

To get into Privileged Mode we enter the "Enable" command from User Exec Mode. If set, the router will prompt you for a password. Once in Privileged Mode, you will notice the prompt changes from ">…