Instruction manual

Limited Access to Overlays Page 1883 of 3156
Features and Services
• leftwise unique, and
• different from existing passwords.
For example, acceptable passwords can include:
• JSMITH
• 0001
• 2GUEST, and
• TECHNICIAN.
System administrators using PWD1 and PWD2 in Overlay 17 define access
to Overlays with this feature. They may also define certain command use
levels within a given Overlay. For instance, the administrator can specify
print only access in the Configuration record (Overlay 17). Any other
requests generate the following system message:
SCH8836 PASSWORD HAS PRINT ONLY CLASS OF SERVICE.
After calling up an Overlay, certain commands can be restricted from use by
the same password, if that password is properly defined. Trying to use those
commands without the correct password is not successful – access is denied.
Logon attempts are monitored for security. Failed attempts with invalid
passwords are counted and the tally is compared with a predefined threshold.
If the threshold is met or passed, the entry point (TTY or terminal) is locked
out for a predetermined time set in Service Change (and password protected).
Access from that point is ignored by the system for the lock-out timer defined.
Lock-out conditions are reported to all maintenance terminals when they
occur, with a special report to the next system administrator who logs on.
The system can keep an Audit Trail to record login information. The four
columns in the Audit Trail printout contain:
column 1 – DAT (date, appears at beginning of each day), or
LOG (a login record)
column 2 – aa/bb (month/day), or
cc:dd (hours: minutes)
column 3 – #ee (number associated with password)
column 4 – ff ff . . . (LD numbers accessed)