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Tech riderRev. 9 Oct 2026

scanlogd

Ch 166.7of 38Intrusion Detection and Prevention Software
  1. 1Runs onLinux, self-hosted
  2. 2CostsFree plan
  3. 3Deployment modelsoftware
  4. 4Network scopemulti-scope
  5. 5Inline blockingNo
  6. 6Supported platformslinux
6 lines stated Written from the maker's own pages: openwall.com
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The scanlogd homepage

Overview

scanlogd is ranked #16 of 38 in intrusion detection and prevention software on Specifiction. It runs on Linux, Self-hosted. There is a free plan.

scanlogd plans and pricing

All plans
scanlogd Free No price stated · commercial support available by quote openwall.com · 9 Oct 2026

Compared on intrusion detection and prevention software

Free plan
Yesopenwall.com
Deployment model
softwareopenwall.com
Network scope
multi-scopeopenwall.com
Inline blocking
Noopenwall.com
Supported platforms
linuxopenwall.com

Facts

Purpose
scanlogd is a TCP port scan detection tool.openwall.com · 9 Oct 2026
Safety
The project says scanlogd is designed to be totally safe to use.openwall.com · 9 Oct 2026
Capture interfaces
It supports Linux raw sockets, libnids, and libpcap for packet capture.openwall.com · 9 Oct 2026
Fragmented packets
The project discourages using libpcap alone and recommends libnids for non-Linux systems or monitoring an entire network, to handle fragmented IP packets.openwall.com · 9 Oct 2026
Latest release
The official page lists scanlogd 2.2.8 as the release available for download.openwall.com · 9 Oct 2026
Source and signatures
The page provides release files and signatures, links to an Openwall file archive, and says the source code can be browsed on GitHub.openwall.com · 9 Oct 2026
Distribution availability
The page says scanlogd is part of Owl, Debian GNU/Linux, Gentoo Linux, ALT Linux distributions, and OpenWrt.openwall.com · 9 Oct 2026
Ports
The page also lists scanlogd ports in the OpenBSD and FreeBSD ports collections.openwall.com · 9 Oct 2026
Windows build
The page links to a contributed scanlogd 2.2 pre-compiled for Win32.openwall.com · 9 Oct 2026
Documentation
The page recommends reading the scanlogd(8) manual page and the original Phrack Magazine article.openwall.com · 9 Oct 2026
Commercial support
Openwall says commercial support is available to help configure, compile, and install scanlogd and its third-party raw IP networking libraries.openwall.com · 9 Oct 2026
Support pricing
Openwall lists service pricing as US $250/hour with a 6-hour minimum, or US $9,000/week, and says fixed-price quotes are available for sufficiently specific projects.openwall.com · 9 Oct 2026
Release compatibility
The 2.2.8 announcement says the release avoids recent glibc deprecation warnings while retaining support for older glibc and non-Linux systems.openwall.com · 9 Oct 2026

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