Open System Services Management and Operations Guide (G06.29+, H06.07+)

Managing Security
Open System Services Management and Operations Guide—527191-005
8-6
Users and Groups
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The /bin/sh -r restricted shell option
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For the inetd program:
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-t tracing option
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Service of systat for port 11
Some of these commands and utilities can provide mechanisms that intruders can use
to compromise system security or integrity.
Guardian environment equivalents of ftpd and nfsd provide access to the OSS
environment and security management of related activities occurs through Guardian
environment tools. See the ftpserver(7) reference page either online or in the
Open System Services Shell and Utilities Reference Manual for information about the
equivalent of the File Transfer Protocol (FTP) demon; information about the
administration of anonymous FTP users can be found in Configuring FTP Access on
page 7-5. See the manual set available for the Network File System (NFS) for Open
System Services product.
The OSS environment provides the following tools and utilities:
at, atq, and atrm
cron and crontab
df and du
logger
named and named-xfer
rsh
sum
wall
xargs
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:
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The following predefined or generic user names (accounts):
agent
bin
daemon
demo