Open System Services Management and Operations Guide (G06.25+, H06.03+)

Managing Security
Open System Services Management and Operations Guide—527191-002
8-6
Users and Groups
The OSS shell supports the IFS environment variable but appropriately clears its
settings.
The OSS inetd program provides the following default services:
time
echo
discard
daytime
chargen
Users and Groups
The OSS environment does not provide:
•
The following predefined or generic user names (accounts):
agent
bin
daemon
demo
finger
ftp
games
guest
help
ingres
lp
mail
maint
manager
news
nobody
nuucp
.open
root
system
telnet
toor
uucp
visitor
who
•
The following UNIX predefined or generic group names:
wheel
Many of these user and group names can provide mechanisms that intruders can use
to compromise UNIX system security or integrity.