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brew / rank 779

Install slirp4netns with Homebrew, apk, apt, dnf, Nix, pacman, zypper

User-mode networking for unprivileged network namespaces. Version 1.3.5 via Homebrew; verified 2026-08-27. Also installable with debian: sudo apt install slirp4netns.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install slirp4netns

local Homebrew formula metadata

Linux

Alpine Linux apkverified · 92%
sudo apk add slirp4netns

Alpine Linux edge package indexes · slirp4netns · source: dl-cdn.alpinelinux.org

Debian aptverified · 92%
sudo apt install slirp4netns

Debian stable package indexes · slirp4netns · source: deb.debian.org

Fedora dnfverified · 92%
sudo dnf install slirp4netns

Fedora Rawhide package metadata · slirp4netns · source: dl.fedoraproject.org

Nixverified · 92%
nix profile install nixpkgs#slirp4netns

nixpkgs package indexes · pkgs/by-name/sl/slirp4netns/package.nix · source: api.github.com

Arch Linux pacmanverified · 92%
sudo pacman -S slirp4netns

Arch Linux sync databases · slirp4netns · source: geo.mirror.pkgbuild.com

openSUSE zypperverified · 92%
sudo zypper install slirp4netns

openSUSE Tumbleweed package metadata · slirp4netns · source: download.opensuse.org

overview

Package summary

User-mode networking for unprivileged network namespaces

Commands and aliases

  • slirp4netns

history

Project history and usage

slirp4netns supplies user-mode Internet connectivity to unprivileged Linux network namespaces and is widely used as a rootless-container networking component.

Project history

slirp4netns was created to make otherwise isolated unprivileged network namespaces useful by connecting a TAP device inside the namespace to a user-mode TCP/IP stack. The project emphasizes fully unprivileged operation and packet-processing performance.

Adoption history

The official project lists adoption by Podman, Buildah, RootlessKit, optional Docker/Moby and nerdctl configurations, Usernetes, and rootless k3s. It also documents packages across RHEL, Fedora, Arch Linux, openSUSE, SUSE Linux Enterprise, Debian, Ubuntu, NixOS, Gentoo, Slackware, Void Linux, and Alpine Linux.

How it is used

Users typically create unprivileged user and network namespaces, launch slirp4netns against the namespace process and a TAP interface, and configure addresses and DNS inside the namespace. Container engines commonly invoke it indirectly. It has command-line and API-socket interfaces rather than a documented persistent configuration or credentials file.

Why package nerds care

slirp4netns became an important building block of the rootless-container ecosystem because it provides network connectivity without privileged veth setup. Its broad Linux packaging and integration with major container engines make it infrastructure that users often acquire indirectly as a runtime dependency.

Timeline

  • 2018: Official benchmark data showed slirp4netns optimized for reduced packet copying across namespaces.
  • 2019: Early and v0.2 release lines reached end of life as the interface matured.
  • 2020: v1.0 became the stable generation, allowing linkage with arbitrary libslirp versions.
  • 2022: v1.2 added a BESS target, RISC-V 64 binaries, and an updated libslirp build.
  • 2023: v1.2.2 enabled reproducible builds.
  • 2024: v1.3 releases continued TAP and namespace integration work.

Related projects

  • libslirp
  • Podman
  • Buildah
  • RootlessKit
  • Docker/Moby
  • containerd/nerdctl
  • Usernetes
  • k3s

security posture

Risk level: blue

broad file, network, media, or database tool signal.

Risk classifier

blue risk · medium confidence · tool

Why

  • broad file, network, media, or database tool signal

Signals

  • text:network

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 2 platform targets.
  • Installs with 4 runtime dependencies.
  • Build metadata lists 3 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
slirp4netnscliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-09-19
manager version1.3.5
manager updated2026-08-27
local dataok
upstreamcurrent
latest detectedv1.3.5

https://github.com/rootless-containers/slirp4netns

  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:slirp4netns
Version1.3.5
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/slirp4netns
Homepagehttps://github.com/rootless-containers/slirp4netns
Repositoryhttps://github.com/rootless-containers/slirp4netns
LicenseGPL-2.0-or-later
Source archivehttps://github.com/rootless-containers/slirp4netns/archive/refs/tags/v1.3.5.tar.gz
Last updated2026-08-27T19:50:41Z
Pulseupdated
Dependenciesglib, libcap, libseccomp, libslirp
Build dependenciesautoconf, automake, pkgconf
Bottleavailable (on arm64_linux, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Nameslirp4netns
Version Scheme0
Revision0
Requirements
  • linux
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Debian apt95%

slirp4netns 1.2.1-1.1

User-mode networking for unprivileged network namespaces

https://github.com/rootless-containers/slirp4netns

sudo apt install slirp4netns
  • Section: misc
  • Architecture: amd64
  • 4 dependencies
  • normalized package name match
  • Matched by: Slirp4netns
Debian stable package indexes · deb.debian.org · Debian stable package indexes: slirp4netns from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

slirp4netns

nix profile install nixpkgs#slirp4netns
  • normalized package name match
  • Matched by: Slirp4netns
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/sl/slirp4netns/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

slirp4netns 1.2.1-1build2

User-mode networking for unprivileged network namespaces

https://github.com/rootless-containers/slirp4netns

sudo apt install slirp4netns
  • Section: universe/misc
  • Architecture: amd64
  • 4 dependencies
  • normalized package name match
  • Matched by: Slirp4netns
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: slirp4netns from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
apk95%

slirp4netns 1.3.3-r0

User-mode networking for unprivileged network namespaces

https://github.com/rootless-containers/slirp4netns

sudo apk add slirp4netns
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • Source Package: slirp4netns
  • 1 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Slirp4netns
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: slirp4netns from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
apk95%

slirp4netns-doc 1.3.3-r0

User-mode networking for unprivileged network namespaces (documentation)

https://github.com/rootless-containers/slirp4netns

sudo apk add slirp4netns-doc
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • Source Package: slirp4netns
  • normalized package name match
  • Matched by: Slirp4netns
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: slirp4netns-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
dnf95%

slirp4netns 1.3.1-5.fc45

slirp for network namespaces

https://github.com/rootless-containers/slirp4netns

sudo dnf install slirp4netns
  • License: GPL-2.0-only
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: slirp4netns
  • 5 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Slirp4netns
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: slirp4netns from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/652278618dec9c023176a80c435a32a2c8154869fb0eb662c267a54df28d77d9-primary.xml.zst
pacman95%

slirp4netns 1.3.5-1

User-mode networking for unprivileged network namespaces

https://github.com/rootless-containers/slirp4netns

sudo pacman -S slirp4netns
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • 5 dependencies
  • normalized package name match
  • Matched by: Slirp4netns
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: slirp4netns from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
zypper95%

slirp4netns 1.3.4-1.2

User-mode networking for unprivileged network namespaces

https://github.com/rootless-containers/slirp4netns

sudo zypper install slirp4netns
  • License: BSD-2-Clause AND GPL-2.0-only AND MIT
  • Category: System/Management
  • Architecture: x86_64
  • Source Package: slirp4netns
  • 4 dependencies
  • 1 provides
  • normalized package name match
  • Matched by: Slirp4netns
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: slirp4netns from https://download.opensuse.org/tumbleweed/repo/oss/repodata/d310d5a96106e1e8872a385adf98aaa23be9db5d80937a6717314e7e7f37715065c6c748ab7ccee6475d620b46979c0fe64235fc0c46988e17edf659578fcf31-primary.xml.zst

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

Related tools

  • glibRuntime dependency declared by Homebrew.
  • libcapRuntime dependency declared by Homebrew.
  • libseccompRuntime dependency declared by Homebrew.
  • pkgconfBuild dependency declared by Homebrew.
  • autoconfBuild dependency declared by Homebrew.
  • automakeBuild dependency declared by Homebrew.

Same workflow

  • cni-pluginsShares pkgdb curated category or tags: cli, containers, networking.
  • passtShares pkgdb curated category or tags: cli, namespaces, networking.
  • c-aresShares pkgdb curated category or tags: cli, networking.
  • unboundShares pkgdb curated category or tags: cli, networking.
  • telnetShares pkgdb curated category or tags: cli, networking.
  • socatShares pkgdb curated category or tags: cli, networking.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment
  • pkg.so package database
  • pkgdb category and tag curation