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NIS and User Port PermissionsSECURE CO NSO LE S ERVERS

7.9 NIS and User Port Permissions

The SCS can use NIS to control user access to the Ports in addition to controlling

user access to the SCS itself. This is an extension to the normal NIS capabilities. Some

of the NIS files must be installed on your NIS server. The user must create/modify

their NIS database to include records containing user port permissions.

Note

Source documents, including this information, is stored on the hard

drive of the SCS system.

NIS information is located in /usr/doc/nis.

7.9.1 User Port Control

The SCS can use NIS to control which user can access a port on the SCS. To utilize

this feature, a database must be created on the NIS server. The following files are

needed to set up the port access database:

lsi_port_access Port Access Permission Definition file

lsi_port_user Port Access User Definition file

lsi_port_awk Port Access AWK file (required for the

Make file)

Makefilenis.portAccess Make file used to build the LSI database

7.9.2 Changing Serial Port settings

Use 'stty' to change things like the port name, baud rate, hard/soft flow control.

Note that these changes are temporary, and will but lost on the next reboot. To make

the changes permanent, the file /etc/rc.d/rc.serial must be edited. This file

contains a list of stty commands (one for each port).

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Logical Solutions SCS-R Manuel d'utilisateur Page 61