MAN page from Mandrake Other isode-8.0-2.i386.rpm

VTD

Section: Maintenance Commands (8C)
Updated: 21 Nov 1988
Index

NAME

iso.vt - VT remote login responder

SYNOPSIS

/usr/sbin/iso.vt[-d 0-7][-F logfile]magic arguments(under /usr/sbin/tsapd )

DESCRIPTION

The vtd server implements the responder side of a remote login service based on the ISO Virtual Terminal (VT)standard and the VT TELNET profile from the NIST OSI WorkshopImplementor's Agreements.

OPTIONS

-d 0-7: Set the level of debug output from 0, meaning none, to 7, which isthe most verbose.
-F logfile: Sets the VT logfile.Note that the pathname of this file is interpreted relatively to theISODE logging area.To have tracing information written to a file in the currentdirectory,start the filename with ``./''.

FILES

/etc/isoentitiesISODE application entity title database/tmp/vt.loglogfile

AUTHORS

Rick Wilder and Don Chirieleison,The MITRE Corporation.
Parts of this program are based on the telnet(1c) program supplied withBerkeley UNIX.

BUGS

vt and vtd need to be brought up to date with BSD 4.3(4?)TELNET.

The encodings of the VT PDUs may need to be updated when the International Standard version of ISO 9041 is available.

When an association is established,a possible bug in the PTY driver on systems derived from Berkeley UNIXmay cause the ``login:'' prompt to be lost.The login program is still running,the user need only type-in the username or hit RETURN for another prompt.

Due to a possible bug in the PTY driver on systems derived from Berkeley UNIX,it is important that the responder always run detached from acontrolling terminal.Since the repsonder is invoked from tsapd (8c),this requirement is passed on to the tsapd program.Thus,when running the VT responder,it is critical that tsapd be started under/etc/rc.local or in ``background'' mode, e.g.,

# /usr/sbin/tsapd >& /dev/null

which will cause the daemon to automatically detach.

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VTD