scanlogd - a port scan detection tool
scanlogd is a TCP port scan detection tool, originally designed to
illustrate various attacks an IDS developer has to deal with, for a
Phrack Magazine article.
Thus, unlike some of the other port scan detection tools
out there, scanlogd is designed to be totally safe to use.
This release of scanlogd can be built with support for one of several
packet capture interfaces. In addition to the raw socket interface on
Linux (which does not require any libraries), scanlogd is now aware of
libnids and
libpcap.
The use of libpcap alone is discouraged. If you're on a system other
than Linux and/or want to monitor the traffic of an entire network at
once, you should be using libnids in order to handle fragmented IP
packets.
Please read the
scanlogd(8) manual page
and the original
Phrack Magazine article.
Download (release notes):
These files, as well as the third-party libraries listed below, are also
available from the Openwall file archive.
The source code of scanlogd can be browsed on
GitHub or via
CVSweb.
Follow this link for information on verifying the signatures.
Related third-party raw IP networking libraries:
Slightly older versions of these libraries are known to work with scanlogd, too.
Commercial support for scanlogd is available,
please check out our services.
We can help you configure, compile, and install both scanlogd itself
and any or all of the third-party raw IP networking libraries.
Contributed resources:
scanlogd is part of
Owl,
Debian GNU/Linux,
Gentoo Linux,
distributions by
ALT Linux team, and
OpenWrt.
There's an
OpenBSD port
of scanlogd in the
OpenBSD ports collection
and a
FreeBSD port
in the
FreeBSD ports collection.
scanlogd is a registered project with
Open Hub.
Looking for a good port scanner to test your installation of scanlogd?
Use Nmap.
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