twintro - introduction to Tripwire
is a file integrity assessment product for Linux networks.
Rather than preventing an intruder or virus from attacking system files,
detects intrusions when they do occur. By comparing system
files and directories against a previously stored "baseline"
finds any additions, deletions, or changes to
specified properties. This allows the system administrator to determine the
extent of the problem and begin necessary damage control.
is installed on a system, the following four commands are
is used for most of the basic operations of the software. This includes
creation of the Tripwire database, and checking the integrity of the
filesystem against that database.
is used to create, encode, and sign Tripwire policy, configuration, and
key files, and for various administrative functions.
prints Tripwire database and report files in a plain text format.
is a file utility that displays hash values for files.
In addition to the command references listed above, the following three man
pages provide information on important components of the Tripwire
provides an overview of the various files created and used by Tripwire,
including default locations and settings.
explains the configuration file, which is used to set system-specific
information that affects Tripwire operation.
explains the policy file, which specifies the files and directories
Tripwire should check, and how they should be scanned.
Using the --help
flag with any Tripwire
) will print a short summary of the command modes
for that command. If a mode selector is also specified (e.g.
tripwire --check --help
), a mode-specific usage message
will be displayed. Using the all
argument with the --help
(e.g. tripwire --help all
) will print detailed
usage messages for all modes of the specified command.
This man page describes Tripwire 2.4
Permission is granted to make and distribute verbatim copies of this man page
provided the copyright notice and this permission notice are preserved on all
Permission is granted to copy and distribute modified versions of this man page
under the conditions for verbatim copying, provided that the entire resulting
derived work is distributed under the terms of a permission notice identical
to this one.
Permission is granted to copy and distribute translations of this man page into
another language, under the above conditions for modified versions, except
that this permission notice may be stated in a translation approved by
Copyright 2000 Tripwire, Inc. Tripwire is a registered trademark of Tripwire,
Inc. in the United States and other countries. All rights reserved.
The Design and Implementation of Tripwire: A UNIX File Integrity