Ports
8.8.3.2 Username/Password Authentication
The Set/Define Ports Authenticate command is used to authenticate individual users. When this command
is enabled, incoming logins will be prompted for a username/password pair. The username and password
entered will be compared to authentication databases configured with the Set/Define Authentication
command. If a match is found, the login will be permitted; otherwise, the login attempt will fail.
Local>> DEFINE PORT 3 AUTHENTICATE ENABLED
Set/Define Authentication is described in Chapter 11, Security.
Note:
8.8.4 Automatic Logouts
When a device connected to the SCS is disconnected or powered off, the DSR signal is dropped. The SCS
can be configured to automatically log out a port when this occurs to prevent users from accessing other
sessions by physically swapping terminal cables and using someone else's privileges. Ports can also be
configured to automatically log out when they've been inactive for a specified period of time.
8.8.4.1 DSR Logouts
To configure a port to log out when the DSR signal is dropped, use the Set/Define Ports DSRLogout
command.
Local>> DEFINE PORT ALL DSRLOGOUT ENABLED
DSRLogout is implied when modem control is enabled.
8.8.4.2 Inactivity Logouts
To configure a port to log out after a specified period of inactivity, use the Set/Define Ports Inactivity
Logout command. This command works in conjunction with the Set/Define Server Inactivity command.
The latter defines a particular number of minutes; after this period of time, a port with Inactivity Logout
enabled will be considered inactive and automatically logged out.
Set/Define Server Inactivity is described on page 12-118.
Note:
To enable Inactivity Logout, use the following command:
Local>> DEFINE PORT 3 INACTIVITY LOGOUT ENABLED
The SCS will only perform an inactivity logout when the port is in character mode (not running PPP or
SLIP). To configure idle time logouts for PPP and SLIP connections, you must configure an idle time for
the site; after the site is idle for the specified time, the link will be shut down. Use the Define Site Idle
command and specify the length of the idle time limit in seconds.
Local>> DEFINE SITE irvine IDLE 60
Figure 8-24: Set/Define Port Authentication Commands
Figure 8-25: Enabling DSRLogout
Figure 8-26: Enabling Inactivity Logout
Figure 8-27: Enabling Idle time Logouts for PPP/SLIP
8-11
Port Restrictions
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