Cyclades AlterPath OnBoard Guia do Utilizador descarregar pdf (Página 553)

Miscellaneous Procedures 505

OTP Configuration

For more details about OTP, see: http://www.freebsd.org/doc/

en/books/handbook/one-time-passwords.html.

Make sure each user who needs to use OTP

has a local user account, is registered with the

OTP system, and is able to obtain the OTP

username, OTP secret pass phrase, and OTP

passwords needed for logins. See the

following list for options:

“How Users are Registered with OTP and

Obtain OTP Passwords” on page 509

• Register each user yourself and give the

OTP username and OTP secret pass phrase

to each user.

“To Register and Generate OTP Passwords for

Users” on page 510

• Generate the needed OTP passwords on

behalf of the each user and give them to

each user.

• Make sure users are equipped with an OTP

generator that is not on the network to

generate their own OTP passwords when

challenged at login time.

Example:

• User dials into the OnSite through a

PCMCIA modem card that has been

configured to use OTP authentication.

• OnSite challenges with the sequence

number and seed associated with the

username and asks for a response.

• User enters the sequence number, seed,

and the secret pass phrase locally into a

copy of opiekey on the user’s laptop

and obtains an OTP password.

• User answers the OnSite challenge with

the OTP password and gets dial-in

access to the OnSite.

Table 8-1: Tasks for Configuring OTP Authentication (Continued)

Task Where Documented

1 2 ... 548 549 550 551 552 553 554 555 556 557 558 ... 687 688

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