HP-UX Reference (11i v1 00/12) - 1M System Administration Commands A-M (vol 3)

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STANDARD Printed by: Nora Chuang [nchuang] STANDARD
/build/1111/BRICK/man1m/!!!intro.1m
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i
identd(1M) identd(1M)
NAME
identd - TCP/IP IDENT protocol server
SYNOPSIS
/usr/lbin/identd [-i| -w|-b][-tseconds][-uuid][-ggid][-pport][-aaddress][-ccharset]
[-n][-o][-e][-l][-V][-m][-N][-d][kernelfile [kmemfile]]
DESCRIPTION
identd is a server which implements the TCP/IP proposed standard IDENT user identification protocol as
specified in the RFC 1413 document.
identd operates by looking up specific TCP/IP connections and returning the user name of the process
owning the connection.
Arguments
-i The -i flag, which is the default mode, should be used when starting the daemon from inetd
with the "nowait" option in the /etc/inetd.conf file. Use of this mode will make inetd
start one identd daemon for each connection request.
-w The -w flag should be used when starting the daemon from
inetd with the "wait" option in the
/etc/inetd.conf
file. This is the preferred mode of operation since that will start a copy of
identd at the first connection request and then identd will handle subsequent requests
without having to do the nlist lookup in the kernel file for every request as in the
-i mode
above. The
identd daemon will run either forever, until a timeout, as specified by the -t
flag,
occurs.
-b The -b flag can be used to make the daemon run in standalone mode without the assistance
from inetd. This mode is the least preferred mode, and not supported by HP, since a bug or
any other fatal condition in the server will make it terminate and it will then have to be res-
tarted manually. Other than that is has the same advantage as the -w mode in that it parses the
nlist only once.
-tseconds
The -tseconds option is used to specify the timeout limit. This is the number of seconds a server
started with the -w flag will wait for new connections before terminating. The server is automat-
ically restarted by inetd whenever a new connection is requested if it has terminated. A suit-
able value for this is 120 (2 minutes), if used. It defaults to no timeout (ie, will wait forever, or
until a fatal condition occurs in the server).
-uuid The -uuid option is used to specify a user id number which the ident server should switch to
after binding itself to the TCP/IP port if using the
-b mode of operation.
-ggid The -ggid option is used to specify a group id number which the ident
server should switch to
after binding itself to the TCP/IP port if using the
-b mode of operation.
-pport The -pport option is used to specify an alternative port number to bind to if using the -b mode
of operation. It can be specified by name or by number. Defaults to the IDENT port (113).
-aaddress
The -aaddress option is used to specify the local address to bind the socket to if using the
-b
mode of operation. Can only be specified by IP address and not by domain name. Defaults to the
INADDR_ANY address which normally means all local addresses.
-V The -V flag makes identd display the version number and the exit.
-l The -l flag tells identd to use the System logging daemon syslogd for logging purposes.
-o The -o flag tells identd to not reveal the operating system type it is run on and to instead
always return "OTHER".
-e The -e flag tells identd to always return "UNKNOWN-ERROR" instead of the "NO-USER" or
"INVALID-PORT" errors.
-ccharset
The -ccharset flags tells identd to add the optional (according to the IDENT protocol) charac-
ter set designator to the reply generated. <charset> should be a valid character set as described
in the MIME RFC in upper case characters.
HP-UX Release 11i: December 2000 − 1 − Section 1M−−335
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