macOS
Homebrewverifiziert · 100%
brew install fail2banlocal Homebrew formula metadata
MacPortsverifiziert · 94%
sudo port install fail2banMacPorts ports tree · security/fail2ban/Portfile · Quelle: api.github.com
brew
fail2ban mit Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper installieren
Prüfe Installationswege, Executables, Metadaten und Sicherheitshinweise für fail2ban in AI-Agent-Workflows.
Installation
Weitere Installationsbefehle
Linux
Alpine Linux apkverifiziert · 92%
sudo apk add fail2banAlpine Linux edge package indexes · fail2ban · Quelle: dl-cdn.alpinelinux.org
Debian aptverifiziert · 92%
sudo apt install fail2banDebian stable package indexes · fail2ban · Quelle: deb.debian.org
Fedora dnfverifiziert · 92%
sudo dnf install fail2banFedora Rawhide package metadata · fail2ban · Quelle: dl.fedoraproject.org
Nixverifiziert · 92%
nix profile install nixpkgs#fail2bannixpkgs package indexes · pkgs/by-name/fa/fail2ban/package.nix · Quelle: api.github.com
Arch Linux pacmanverifiziert · 92%
sudo pacman -S fail2banArch Linux sync databases · fail2ban · Quelle: geo.mirror.pkgbuild.com
openSUSE zypperverifiziert · 92%
sudo zypper install fail2banopenSUSE Tumbleweed package metadata · fail2ban · Quelle: download.opensuse.org
Überblick
Paketzusammenfassung
Scan log files and ban IPs showing malicious signs
Projektlinks
Befehle und Aliase
- fail2ban-client
- fail2ban-python
- fail2ban-regex
- fail2ban-server
- fail2ban-testcases
Verlauf
Projektgeschichte und Nutzung
Fail2Ban is a long-running Python daemon and command-line toolkit for reacting to hostile log patterns by banning hosts through firewall actions. Its core appeal has stayed stable since the early releases: watch authentication and service logs, count repeated failures, and temporarily block the offending address.
Projektgeschichte
The official changelog records Fail2Ban releases back to 0.1.0 in October 2004. Early 0.x releases moved quickly through alpha, beta, and stable lines, with 0.6.0 stable in 2005, the 0.7 branch in 2006, and 0.8.0 stable in 2007. The README still credits Cyril Jaquier as original author and describes the project as community-driven for years.
The 0.9 series, beginning in 2014, marked the modern service-management era by adding a systemd journal backend. The 0.10 line followed with IPv6 work, including an alpha labeled for IPv6 support in 2016 and a 0.10.0 release in 2017. Later releases continued to refine journald, iptables, nftables, firewalld, pf, and service-specific filters.
The 1.x line arrived with 1.0.1 and 1.0.2 releases in 2022 and 1.1.0 in 2024. These releases focused less on changing the basic model and more on compatibility, security, and operational maintenance: Python version support, CVE fixes, systemd backend stability, IPv6 auto-detection, newer service log formats, and additional filters and actions.
Adoptionsgeschichte
Fail2Ban became part of the standard Linux server-security toolbox because it matched the common shape of internet-facing Unix services: SSH, mail, web, and database daemons emitting failed-authentication logs. The project README says it is likely already packaged for a user's Linux distribution, and the supplied package-manager facts show broad availability across Alpine, Debian, Fedora/DNF, Homebrew, MacPorts, Nix, Arch, Ubuntu, and openSUSE.
Its adoption has been helped by configuration conventions that distributions can ship and administrators can override. Stock jails, filters, actions, and path files let package maintainers encode distribution-specific log locations while users keep local policy in `/etc/fail2ban`, especially `jail.local` and `jail.d` snippets.
Wie es verwendet wird
A typical Fail2Ban deployment installs the daemon, enables selected jails such as `sshd`, and lets `fail2ban-server` monitor logs while administrators use `fail2ban-client` for status, reloads, and manual control. The README explicitly warns users to interact through `fail2ban-client` rather than calling the server directly.
The package also matters to operators because `fail2ban-regex` gives a local way to test filters against log samples before enabling bans. That workflow, plus filter and action directories, made Fail2Ban not just a daemon but a small domain-specific toolkit for converting service logs into firewall state.
Warum Paket-Nerds sich dafür interessieren
Fail2Ban is significant in package-manager culture because it is both ordinary and sharp-edged: a tiny install command can place a privileged daemon, distro-specific defaults, init/systemd integration, and firewall actions on a host. Packagers must get paths, service units, Python dependencies, and default actions right or administrators either get no protection or accidental lockouts.
It is also a classic example of a package whose value comes from accumulated operational knowledge. The code is important, but the long tail of maintained filters for OpenSSH, Apache, nginx, Postfix, Dovecot, Exim, and many other services is why administrators keep installing it.
Zeitleiste
- 2004: Fail2Ban 0.1.0 alpha released.
- 2005: 0.6.0 stable release published.
- 2007: 0.8.0 stable release published.
- 2014: 0.9.0 beta added systemd journal backend.
- 2016: 0.10.0 alpha introduced IPv6-support work.
- 2017: 0.10.0 released.
- 2020: 0.11.2 released.
- 2022: 1.0.1 and 1.0.2 released with compatibility and security fixes.
- 2024: 1.1.0 released with newer Python support and further backend/filter updates.
Related projects
- OpenSSH, iptables, nftables, firewalld, pf, systemd-journald, DenyHosts, sshguard
Quellen
Sicherheitslage
Risikostufe: orange
broad file, network, media, or database tool signal. formula declares a Homebrew service.
Risikoklassifikator
orange Risiko · mittel Konfidenz · infrastructure
Warum
- broad file, network, media, or database tool signal
- formula declares a Homebrew service
Signale
- metadata:service
- text:client,server
Installationsverhalten
- In den Formelmetadaten ist kein Homebrew-Post-install-Hook erfasst.
- Formelmetadaten deklarieren einen Service- oder Daemon-Block.
- Homebrew-Bottle-Metadaten sind für 6 Plattformziele verfügbar.
- Installiert mit 1 Laufzeitabhängigkeiten.
- Build-Metadaten listen 1 Build-Abhängigkeiten.
Empfohlene Prüfung
Prüfe vor unbeaufsichtigter Agent-Nutzung, ob das Tool Klartext-Credentials liest, Remote-Zustand schreibt, Artefakte veröffentlicht oder Plugins ausführt.
local files
Configuration and credential file locations
These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.
Configuration files
Config paths the tool may read or write during local use.
- Unix
/etc/fail2ban/jail.conf/etc/fail2ban/jail.local/etc/fail2ban/jail.d/*.conf/etc/fail2ban/filter.d/*.conf/etc/fail2ban/action.d/*.conf
Executables
Installierte Executables
| Befehl | Art | Sichtbarkeit | Hinweis |
|---|---|---|---|
fail2ban-client | cli | globales Executable | |
fail2ban-python | cli | globales Executable | |
fail2ban-regex | cli | globales Executable | |
fail2ban-server | cli | globales Executable | |
fail2ban-testcases | cli | globales Executable |
Aktualität
Version und Aktualität
Diese Signale trennen das Alter der Seitengenerierung, Aktivität des Paketmanagers und Upstream-Release-Vergleich. Versionsrückstand wird nur gemeldet, wenn eine Evidenz-URL und vergleichbare Versionen vorhanden sind.
Seite generiert2026-07-26
Manager-Version1.1.0
Manager aktualisiert
lokale DatenOK
Upstreamaktuell
neueste erkannte Version1.1.0
https://github.com/fail2ban/fail2ban
- InfoNo package-manager update timestamp was available.niedrig Konfidenz
Installationsmetadaten
Paketmetadaten
| Paketschlüssel | brew:fail2ban |
|---|---|
| Version | 1.1.0 |
| Paketmanager | Homebrew |
| Paketmanager-Seite | https://formulae.brew.sh/formula/fail2ban |
| Homepage | https://www.fail2ban.org/ |
| Repository | https://github.com/fail2ban/fail2ban |
| Upstream-Dokumentation | https://fail2ban.readthedocs.io/ |
| Lizenz | GPL-2.0-or-later |
| Quellarchiv | https://github.com/fail2ban/fail2ban/archive/refs/tags/1.1.0.tar.gz |
| Abhängigkeiten | python@3.14 |
| Build-Abhängigkeiten | sphinx-doc |
| Bottle | verfügbar (auf arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux) |
| Homebrew post-install | nicht definiert |
| Dienst | declared |
| Einschränkungen | You must enable any jails by editing: $HOMEBREW_PREFIX/etc/fail2ban/jail.conf Other configuration files are in $HOMEBREW_PREFIX/etc/fail2ban. See more instructions at https://github.com/fail2ban/fail2ban/wiki/Proper-fail2ban-configuration. |
Registry-Fakten
Details aus der Quelldatenbank
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | fail2ban |
| Version Scheme | 0 |
| Revision | 2 |
| Head Version | HEAD |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
Source-Datenbank-Treffer
Andere Paketmanager-Einträge
Treffer stammen aus externen Paketmanager-Indizes und bleiben von lokalen Automic-Vault-Paketlinks getrennt.
Debian apt95%
fail2ban 1.1.0-8
ban hosts that cause multiple authentication errors
sudo apt install fail2ban- Section: net
- Architecture: all
- 2 Abhängigkeiten
- 9 optionale Abhängigkeiten
- normalized package name match
- Abgeglichen nach: Fail2ban
Nix95%
fail2ban
nix profile install nixpkgs#fail2ban- normalized package name match
- Abgeglichen nach: Fail2ban
Ubuntu apt95%
fail2ban 1.0.2-3
ban hosts that cause multiple authentication errors
sudo apt install fail2ban- Section: universe/net
- Architecture: all
- 2 Abhängigkeiten
- 8 optionale Abhängigkeiten
- normalized package name match
- Abgeglichen nach: Fail2ban
apk95%
fail2ban 1.1.0-r3
Scans log files for login failures then updates iptables to reject originating ip address
sudo apk add fail2ban- License: GPL-2.0-or-later
- Architecture: x86_64
- Source Package: fail2ban
- 1 Abhängigkeiten
- 1 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
apk95%
fail2ban-doc 1.1.0-r3
Scans log files for login failures then updates iptables to reject originating ip address (documentation)
sudo apk add fail2ban-doc- License: GPL-2.0-or-later
- Architecture: x86_64
- Source Package: fail2ban
- normalized package name match
- Abgeglichen nach: Fail2ban
apk95%
fail2ban-openrc 1.1.0-r3
Scans log files for login failures then updates iptables to reject originating ip address (OpenRC init scripts)
sudo apk add fail2ban-openrc- License: GPL-2.0-or-later
- Architecture: x86_64
- Source Package: fail2ban
- normalized package name match
- Abgeglichen nach: Fail2ban
apk95%
fail2ban-pyc 1.1.0-r3
Precompiled Python bytecode for fail2ban
sudo apk add fail2ban-pyc- License: GPL-2.0-or-later
- Architecture: x86_64
- Source Package: fail2ban
- 1 Abhängigkeiten
- normalized package name match
- Abgeglichen nach: Fail2ban
apk95%
fail2ban-tests 1.1.0-r3
Fail2ban test cases
sudo apk add fail2ban-tests- License: GPL-2.0-or-later
- Architecture: x86_64
- Source Package: fail2ban
- 1 Abhängigkeiten
- 1 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban 1.1.0-17.fc45
Daemon to ban hosts that cause multiple authentication errors
sudo dnf install fail2ban- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 3 Abhängigkeiten
- 1 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-all 1.1.0-17.fc45
Install all Fail2Ban packages and dependencies
sudo dnf install fail2ban-all- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 9 Abhängigkeiten
- 1 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-firewalld 1.1.0-17.fc45
Firewalld support for Fail2Ban
sudo dnf install fail2ban-firewalld- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 2 Abhängigkeiten
- 2 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-hostsdeny 1.1.0-17.fc45
Hostsdeny (tcp_wrappers) support for Fail2Ban
sudo dnf install fail2ban-hostsdeny- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 3 Abhängigkeiten
- 2 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-mail 1.1.0-17.fc45
Mail actions for Fail2Ban
sudo dnf install fail2ban-mail- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 2 Abhängigkeiten
- 2 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-selinux 1.1.0-17.fc45
SELinux policies for Fail2Ban
sudo dnf install fail2ban-selinux- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 6 Abhängigkeiten
- 1 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-sendmail 1.1.0-17.fc45
Sendmail actions for Fail2Ban
sudo dnf install fail2ban-sendmail- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 2 Abhängigkeiten
- 2 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
dnf95%
fail2ban-server 1.1.0-17.fc45
Core server component for Fail2Ban
sudo dnf install fail2ban-server- License: GPL-2.0-or-later
- Category: Unspecified
- Architecture: noarch
- Source Package: fail2ban
- 8 Abhängigkeiten
- 4 stellt bereit
- normalized package name match
- Abgeglichen nach: Fail2ban
Quellspur
Aus Repository-Daten generiert
Diese Seite wird von av-web aus dem privaten Paket-SQLite-Artefakt bereitgestellt, das scripts/generate-pkg-sqlite.py erstellt.
Combined YAML source
View the package source record on GitHub.
Verwendete Quellen
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated configuration and credential file locations
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment