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Open source version of the original Unix file integrity scanner. Calculates and stores signatures of file permissions, ownership and contents. Scans the same files later, detecting changes. This open source version is targeted at Linux systems.
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There is more than one Tripwire
Both are based on the same code, written by Gene Kim and Dr. Eugene Spafford at Purdue University in 1992, but Tripwire's commercial
products and Open Source Tripwire have followed different development roadmaps since they diverged in 1999.
Gene Kim founded
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Open source implementation of SSH1 and SSH2 protocols. Ported from OpenBSD by the OpenSSH portability team.
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the OpenSSH project portable version page
Normal OpenSSH development produces a very small, secure, and easy to
maintain version for the OpenBSD project.
takes that pure version and adds portability code so that OpenSSH can
run on many other operating systems (Unfortunately, in particular
since OpenSSH does authentication, it runs into
The Coroner's Toolkit (TCT) provides post-break-in data collection that could be useful in determining what happened. Less polished that the authors (Dan Farmer and Wietse Venema) usual work, the toolkit offers a patch-work of tools that help exhume interesting stuff from violated systems. Should be installed and examined before a break-in happens!
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The Coroner's Toolkit (TCT)
TCT is a collection of programs by Dan Farmer and Wietse Venema
for a post-mortem analysis of a UNIX system after break-in. The
software was presented first in a Computer Forensics Analysis class
in August 1999 (handouts can be found here ).
Examples of using TCT can
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A pair of Perl scripts that provide an audited root shell using sudo and script(1). Tarballs, RPM's and individual components.
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- a system for audited shells
sudoscript 2.1.2 Released
Only one day later than promised, sudoscript 2.1.2 has been released. This update fixes a moderately severe security bug as detailed below, and adds a nifty "ss -" feature, like "su -". Download it from
Sudoscript 2.1.2 beta 1 Released
This
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Drop-in Sendmail replacement by Wietse Venema. Offers several features that make it difficult to crack.
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All programmers are optimists -- Frederick P.
First of all, thank you for your interest in the Postfix project.
What is Postfix? It is Wietse Venema's mailer
as an alternative to the widely-used Sendmail program.
Postfix attempts to be fast, easy to administer, and secure.
The outside has a
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