Appendix G: Dial Security; Overview - US Robotics USR3520 User Manual

Appendix G: Dial Security

This appendix contains information about:
 Setting up Caller ID Screening
 Setting up Password Prompting
 Granting Administrator Privileges To A User
 Setting up Dialback Security

Overview

Dial Security is designed to protect networks and data centers from unauthorized access. There are three
forms of Dial Security; each will be explained later in this appendix:
 Caller ID Screening
 Password Prompting
 Dialback Security
You should be familiar with these terms before you continue:
Remote site: One of multiple locations where a Modemulator is attached to equipment that transfers data
to or from a host site.
Host site: The single location where a Modemulator is attached to a terminal or application server that
transfers data to or from multiple remote sites.
Remote Modemulator: A Modemulator attached to equipment at a remote site. In a peer-to-peer system
a remote Modemulator may originate or answer a connection.
Host Modemulator: A Modemulator attached to a terminal or application server at a host site. In a peer-
to-peer system a host Modemulator may originate or answer a connection.
Administrator: With Password Prompting enabled in an answering Modemulator, an Administrator is a
person or application that has privileges to contact the answering Modemulator to remotely configure it or
to transfer data to/from the equipment attached to its Terminal port.
With Password Prompting disabled, any person or application has privileges to contact and remotely
configure the answering Modemulator, and to transfer data to/from the equipment attached to its
Terminal port.
User: With Password Prompting enabled in an answering Modemulator, a User is a person or application
that has no privileges to remotely configure the answering Modemulator, but is allowed to contact the
answering Modemulator and transfer data to/from the equipment attached to its Terminal port.
Any User can be granted Administrator privileges by the default Administrator or any other User that has
Administrator privileges.
Modemulator User Guide
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