<div>
I have noticed a user called sdofflin. What is this?
</div>


I have noticed a user called sdofflin. What is this?

<div>
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
</div>


This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.

<div>
<div class="content wysiwyg-content">
I have noticed a user called sdofflin. What is this?
</div>
</div>


sdofflin

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.

Email Clients

File sharing is the practice of distributing or providing access to digital media, such as computer programs, multimedia (audio, images and video), documents or electronic books. Common methods of storage, transmission and dispersion include manual sharing utilizing removable media, centralized servers on computer networks, World Wide Web-based hyperlinked documents, distributed peer-to-peer networking (P2P) and cloud-based file syncing.