Security

NOTE

While pulse dial can be used to originate the call, DTMF tones must be used for the password. This can be accomplished by using the P and T modifiers appropriately. Refer to the Dial command in Chapter 13, AT Command Set and S-Registers, for more on modifiers.

This method of password entry requires that the answering modem be a 3800Plus modem. The modem must be configured for VF-side password entry and the originating user must know the correct VF-side password. The originating modem can be another 3800Plus modem or any vendor's modem.

Some originating modems may not recognize the W modifier as a wait for second dial tone. If your call disconnects due to a VF Password Timeout or an Unknown VF Password, first verify that the answering 3800Plus modem's VF Prompt Type is set for 2nd Dial Tone. Next, verify that the Dial Tone Detect configuration option in the originating modem is enabled. Third, insert several Pause (,) modifiers into the dial string instead of the W modifier. (For the 3800Plus modem, each Pause, which is determined by the Pause Time configuration option (S8), is equal to 2 seconds.) This allows a delay between the processing of the phone number by the answering modem and the transmission of the VF-side password by the originating modem.

Some experimentation may be necessary to determine the number of pauses necessary for your call.

DTE-Side Passwords

DTE-side password entry requires the originating user to supply a valid password via his DTE. This method of password entry occurs after the modems' training sequence, but before normal connection. The modems must be configured for asynchronous operation to use this type of security.

When using DTE-side password entry, the modems go through their normal training and error control negotiation. Once complete, the answering modem requests a valid password from the originating user. The originating user must enter, via the DTE, a password that can consist of digits and case-insensitive letters. Note that DTE passwords can be from 1 to 6 characters in length. The answering modem verifies the password against its password database table, and if valid, completes the data connection, thus allowing DTE data to be passed. As with VF-side password entry, the answering modem must be a 3800Plus modem and the originating modem can be either a 3800Plus modem or any vendor's modem.

The following example illustrates the format of DTE-side password:

abc123 (press Enter)

Where: abc123 is a 10-alphanumeric character number. characters used for DTE-side passwords are case insensitive.

Combination of VF-Side and

DTE-Side Passwords

The previously described methods of password entry can be combined to provide two layers of security. In this case, the modems negotiate VF-side password entry prior to training. If successful, the modems connect and then prompt the originating user for a valid password. If correctly entered, the modems connect.

3980-A2-GB30-20

November 1996

11-3

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Paradyne 3800PLUS manual DTE-Side Passwords
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3800PLUS specifications

The Paradyne 3800PLUS is a sophisticated networking device designed for various applications in high-demand environments, such as telecommunications and enterprise networks. This versatile solution is well-regarded for its robust performance, providing reliable and efficient connectivity for businesses and service providers.

One of the standout features of the Paradyne 3800PLUS is its ability to deliver high-speed data transmission. Supporting multiple protocols, it ensures seamless connectivity for data, voice, and video over the same infrastructure, reducing the need for multiple devices and simplifying network management. The device is capable of supporting both synchronous and asynchronous data formats, making it suitable for diverse networking needs.

With its advanced multiple service options, the Paradyne 3800PLUS supports various connection types, including T1, E1, and DSL, allowing it to adapt to different local area network (LAN) settings. This flexibility makes it a preferred choice for organizations that require support for both legacy systems and modern technologies. Furthermore, the device offers built-in support for various network management protocols, such as SNMP, simplifying monitoring and configuration.

Security is a significant concern in today's networking landscape, and the Paradyne 3800PLUS addresses this with integrated security features that help ensure data integrity and privacy. The device supports encryption and authentication techniques, which protect against unauthorized access and safeguard sensitive information transmitted over the network.

The Paradyne 3800PLUS is also designed with ease of use in mind. Its web-based interface simplifies configuration and management, making it accessible for network administrators regardless of their technical expertise. Additionally, the device is equipped with diagnostic tools and indicators that facilitate troubleshooting, enabling quicker resolution of connectivity issues.

In terms of scalability, the Paradyne 3800PLUS can accommodate the growing needs of businesses and service providers. Its modular design allows for easy upgrades and the addition of new features, ensuring that the network infrastructure can evolve with changing demands.

In summary, the Paradyne 3800PLUS stands out as an advanced networking solution known for its high-speed capabilities, support for various protocols, integrated security measures, user-friendly management interface, and scalability. These characteristics make it an ideal choice for organizations seeking a reliable and efficient networking solution to enhance their operations and support future growth.
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