Internet Terms & Definitions

 

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Open Proxies

Many people share their Broadband Internet connection with multiple PDS with some form of proxy software. Some proxy software activates on both network interfaces which means that the proxy will be usable from a customer's internal network and from the Internet facing connection. An Open Proxy will allow a third party to not only exploit a system to send unsolicited email but can also be used for newsgroup postings, chat sessions and in some cases anonymous web browsing.

 

Open Relays

In open relaying, a mail server allows any other computer to send email through it. Open relaying has been exploited by individuals and companies in order to send unsolicited email.

 

Operating System

The main program that runs on a computer. An operating system allows other software to run and prevents unauthorized users from accessing the system. Major operating system include UNIX, Windows, MacOS, and Linux.

 

Operator

The person who is responsible for maintaining and running a Web site.

 

Opt-in

A policy for giving permission under which the user explicitly permits the Web site operator to either collect the information, use it in a specified manner and/or share it with others when such use or disclosure to third parties is unrelated to the purpose for which the information was collected.

 

Opt-out

A policy under which the user's permission is implied unless the user explicitly requests that his/her information not be collected, used and/or shared when such use or disclosure to third parties is unrelated to the purpose for which the information was collected.