Vty Line And Access-Class Configuration; Vty Line Local Authentication And Authorization - Dell Force10 S4810P Configuration Manual

VTY Line and Access-Class Configuration

Various methods are available to restrict VTY access in FTOS. These depend on which authentication
scheme you use — line, local, or remote:
Table 43-1. VTY Access
Authentication Method
Line
Local
TACACS+
RADIUS
FTOS provides several ways to configure access classes for VTY lines, including:
• VTY Line Local Authentication and Authorization on page 910
• VTY Line Remote Authentication and Authorization on page 911

VTY Line Local Authentication and Authorization

FTOS retrieves the access class from the local database. To use this feature:
1. Create a username
2. Enter a password
3. Assign an access class
4. Enter a privilege level
Line authentication can be assigned on a per-VTY basis; it is a simple password authentication, using an
access-class as authorization.
Local authentication is configured globally. You configure access classes on a per-user basis.
FTOS can assign different access classes to different users by username. Until users attempt to log in,
FTOS does not know if they will be assigned a VTY line. This means that incoming users always see a
login prompt even if you have excluded them from the VTY line with a
identify themselves, FTOS retrieves the access class from the local database and applies it. (FTOS also
subsequently can close the connection if a user is denied access).
Note: If a VTY user logs in with RADIUS authentication, the privilege level will be applied from the
RADIUS server only if RADIUS authentication is configured.
910
| Security
Username
VTY access-class access-class
support? support?
YES NO
NO YES
YES NO
YES NO
Remote authorization support?
NO
NO
YES (with FTOS 5.2.1.0 and later)
YES (with FTOS 6.1.1.0 and later)
access class. Once users
deny-all