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Security

Testing the Security of Your Website – Part 2

On this part of our “Testing the Security of Your Website” series, we will cover emails, contact forms, and security through obscurity.
Security

Testing the Security of Your Website – Part 1

Do you own a website, blog, or forum? Learn how to audit its security in order to prevent bad guys from exploiting it. In this part, we will cover some basic information and procedures.
VDSL

How the VDSL Connection Works

VDSL is another very popular type of DSL Internet connection, used by networks such as AT&T’s U-verse in the U.S. Let’s see how it works.

How the ADSL Connection Works

In this tutorial, we will teach you how the ADSL (more commonly known simply as “DSL” in the U.S.) connection works, including the latest ADSL2 and ADSL2+ technologies.
Cable TV

How the Cable TV is Used for Internet Access

Learn how the Internet connection using the cable TV works.
Apache

Migrating to Apache 2.4

In this tutorial we will explain everything you need to know to migrate from previous versions of the Apache webserver to the new 2.4 series.
Email Bounce

Understanding Email Bounce Messages

Sending an email and seeing the message bouncing back is frustrating. In this tutorial, we will explain the meaning of the most common bounce messages and how to fix the problem.

How to Optimize a MySQL Server

Learn how to optimize a MySQL server to make your website run faster in this in-depth tutorial.
TCP/IP

How TCP/IP Protocol Works – Part 2

Complementing our previous tutorial, we will explain other protocols and other TCP/IP functionalities we didn’t cover before, like Telnet, SSH, TFTP, DHCP, DNS, ICMP, RIP, OSPF, BGP, ARP and more.
TCP/IP

How TCP/IP Protocol Works – Part 1

Learn how the TCP/IP network protocol works.