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HTTPHTTP Protocol

The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, hypermedia information systems. Hypertext is stru...

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MT DV HTTP/2

ENABLING HTTP/2 FOR PLESK

Good news! Plesk 12.5 (with update #28 and above) now includes support for HTTP/2. This is a major update to HTTP1.1, which is over 15 years old. Read below to learn how to enable HTTP/2 on your Media Temple DV with Plesk.
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Keeping Secrets with PHP

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Since pre-biblical times, humans have sought ways to keep secrets, and share the secrets selectively.  This article explores the ways PHP can be used to hide and encrypt information.
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Password Hashing in PHP

Password hashing is better than message digests or encryption, and you should be using it instead of message digests or encryption.  Find out why and how in this article, which supplements the original article on PHP Client Registration, Login, Logout, and Easy Access Control.
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A brief insight into online Password Managers

A few customers have recently asked my thoughts on Password Managers.  As Security is a big part of …
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Detecting Client Browser Settings for Cookies and JavaScript

Introduction and Prerequisites
This article describes methods for detecting whether a client…
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PHP Sessions: Simpler Than You May Think!

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A Change in PHP Behavior with Session Write Short Circuit (Winter 2014)
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Magic Quotes (a bad idea from day one)

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Foreword
This article was written many years ago, in the days when
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Warning: Cannot modify header information - headers already sent...

Introduction
This warning has to be one of the most commonly issued warnings in the history …
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Registration and Email Confirmation in PHP

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Introduction
One of the frequent application design questions goes something like this: "How…
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How to Show an Introductory Web Page -- Once Using PHP

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Introduction
A frequent question goes something like this, "How can I show an introductory …
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PHP Client Registration, Login, Logout and Easy Access Control

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Foreword
In the years since this article was written, numerous hacking attacks have targeted…

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