DHCP (Dynamic Host Control Configuration Protocol)

Dynamic Host Configuration Protocol (DHCP) is a network protocol that enables a DHCP server to automatically assign an IP address to an individual computer’s TCP/IP stack software. DHCP assigns a number dynamically from a defined range of numbers configured for a given network.
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Introduction

A tunneling protocol is a network protocol which encapsulates a payload protocol, acting as a payload protocol. It is the process of putting one packet inside another. Recalling that packets are the chunks of information into which all Internet messages get chopped, tunneling can be thought of as the act of encapsulating ordinary (non-secure) IP packets inside of encrypted (secure) IP packets Reasons to tunnel include carrying a payload over an incompatible delivery network, or to provide a secure path through an untrusted network.

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PHP configuration file (php.ini)

PHP is a reflective programming language originally designed for producing dynamic web pages. PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.Textual User Interfaces can also be created using ncurses. PHP is a recursive initialism for PHP: Hypertext Preprocessor.The most recent version of PHP is 5.2.4, released on 30 August 2007. It is considered to be free software by the Free Software Foundation.

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