# Installer libcoap avec Homebrew, apk, dnf, Nix, pacman, zypper

Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de libcoap pour les workflows d'agents IA.

## installation

```sh
sudo av install brew:libcoap
```

Commandes d'installation supplémentaires:

### macOS

- Homebrew (100%):

```sh
brew install libcoap
```

  Preuve: local Homebrew formula metadata

### Linux

- apk (92%):

```sh
sudo apk add libcoap
```

  Preuve: Alpine Linux edge package indexes: libcoap from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

- dnf (92%):

```sh
sudo dnf install libcoap
```

  Preuve: Fedora Rawhide package metadata: libcoap from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#libcoap
```

  Preuve: nixpkgs package indexes: pkgs/by-name/li/libcoap/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S libcoap
```

  Preuve: Arch Linux sync databases: libcoap from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

- zypper (92%):

```sh
sudo zypper install libcoap-devel
```

  Preuve: openSUSE Tumbleweed package metadata: libcoap-devel from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

## Faits du paquet

- **Clé du paquet:** brew:libcoap
- **Gestionnaire de paquets:** Homebrew
- **Page du gestionnaire de paquets:** <https://formulae.brew.sh/formula/libcoap>
- **Version:** 4.3.5b
- **Résumé source:** Lightweight application-protocol for resource-constrained devices
- **Page d'accueil:** <https://github.com/obgm/libcoap>
- **Dépôt:** <https://github.com/obgm/libcoap>
- **Licence:** BSD-2-Clause
- **Archive source:** <https://github.com/obgm/libcoap/archive/refs/tags/v4.3.5b.tar.gz>
- **Généré:** 2026-08-04T22:13:35+00:00

## exécutables

- coap-client (cli)
- coap-client-openssl (cli)
- coap-rd (cli)
- coap-rd-openssl (cli)
- coap-server (cli)
- coap-server-openssl (cli)
- coap-client (alias)
- coap-client-openssl (alias)
- coap-rd (alias)
- coap-rd-openssl (alias)
- coap-server (alias)
- coap-server-openssl (alias)

## Dépendances

- openssl@3

## Dépendances de compilation

- autoconf
- automake
- libtool
- pkgconf

## Comportement d'installation

- hook post-installation: non défini
- Bouteille: disponible sur arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux

## Version et fraîcheur

- page générée: 2026-08-04
- version du gestionnaire: 4.3.5b
- données locales: OK
- dépôt amont: https://github.com/obgm/libcoap
- info: No package-manager update timestamp was available.
- info: No cached GitHub release or tag data was available.
## Historique du projet et usages

libcoap is a C implementation of the Constrained Application Protocol, the IETF protocol standardized as RFC 7252 for low-power, lossy, and memory-constrained networks. It gives Unix and embedded developers a reusable CoAP parser, networking layer, examples, and client/server tools.

### Historique du projet

The repository identifies libcoap as a C implementation of CoAP and carries copyright years beginning in 2010 for Olaf Bergmann and contributors. That places the project in the early CoAP implementation wave before the protocol was published as RFC 7252 in June 2014.

As CoAP grew from a basic REST-like protocol for constrained devices into a family of RFC extensions, libcoap accumulated support for related specifications including group communication, observing resources, block-wise transfers, CoAP over TCP/TLS/WebSockets, OSCORE, hop limit, and echo/request-token processing.

### Historique d'adoption

libcoap's adoption follows the embedded and IoT networking ecosystem rather than desktop application culture. Its README names hosted environments including Contiki-NG, Espressif ESP-IDF, LwIP, and RIOT-OS, which explains why package managers ship both library artifacts and tools such as `coap-client`, `coap-server`, and `coap-rd`.

### Modes d'utilisation

Developers use libcoap to build CoAP clients, servers, resource directories, and test fixtures. Homebrew exposes separate OpenSSL-suffixed tools in addition to the base client, server, and resource-directory commands, making it useful both as a development library and a packet-level debugging utility.

### Pourquoi les passionnés de paquets s'y intéressent

libcoap is package-nerd relevant because it is a small C library sitting at the boundary between standards work and actual device networks. It is the installable thing that turns RFC language about constrained REST into commands a maintainer can run against embedded boards, gateways, and simulators.

### Chronologie

- 2010: Copyright range in the official repository begins for Olaf Bergmann and contributors.
- 2014-06: RFC 7252 published CoAP as an Internet Standards Track protocol.
- 2020s: Repository documents support for multiple CoAP extension RFCs and embedded environments.

### Related projects

- Related projects and standards include RFC 7252 CoAP, Contiki-NG, RIOT-OS, LwIP, Espressif ESP-IDF, OSCORE, and the libcoap-minimal examples referenced by the project.

### Sources

- <https://datatracker.ietf.org/doc/html/rfc7252>
- <https://formulae.brew.sh/formula/libcoap>
- <https://github.com/obgm/libcoap>
- <https://libcoap.net/>


## Notes de sécurité

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

- **Risque Geiger:** blue / moyen
- broad file, network, media, or database tool signal

## Détails de la base source

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** libcoap
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Autres enregistrements de gestionnaires de paquets

- Nix - libcoap: normalized package name match | nixpkgs package indexes: pkgs/by-name/li/libcoap/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- apk - libcoap - 4.3.5b-r0: normalized package name match | Alpine Linux edge package indexes: libcoap from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | A CoAP (RFC 7252) implementation | https://libcoap.net/
- apk - libcoap-dev - 4.3.5b-r0: normalized package name match | Alpine Linux edge package indexes: libcoap-dev from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | A CoAP (RFC 7252) implementation (development files) | https://libcoap.net/
- apk - libcoap-doc - 4.3.5b-r0: normalized package name match | Alpine Linux edge package indexes: libcoap-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | A CoAP (RFC 7252) implementation (documentation) | https://libcoap.net/
- dnf - libcoap - 4.3.5b-3.fc45: normalized package name match | Fedora Rawhide package metadata: libcoap from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst | C library implementation of CoAP | https://libcoap.net/
- dnf - libcoap-devel - 4.3.5b-3.fc45: normalized package name match | Fedora Rawhide package metadata: libcoap-devel from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst | Development package for libcoap | https://libcoap.net/
- dnf - libcoap-doc - 4.3.5b-3.fc45: normalized package name match | Fedora Rawhide package metadata: libcoap-doc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst | Documentation package for libcoap | https://libcoap.net/
- dnf - libcoap-utils - 4.3.5b-3.fc45: normalized package name match | Fedora Rawhide package metadata: libcoap-utils from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst | Client and server CoAP utilities | https://libcoap.net/
- pacman - libcoap - 4.3.5b-1: normalized package name match | Arch Linux sync databases: libcoap from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | A CoAP (RFC 7252) implementation in C | https://github.com/obgm/libcoap/
- zypper - libcoap-devel - 4.3.5b-1.4: normalized package name match | openSUSE Tumbleweed package metadata: libcoap-devel from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Development files for libcoap | https://libcoap.net/
- zypper - libcoap-utils - 4.3.5b-1.4: normalized package name match | openSUSE Tumbleweed package metadata: libcoap-utils from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Utilities for Constrained Application Protocol (CoAP) | https://libcoap.net/
- zypper - libcoap3-3 - 4.3.5b-1.4: normalized package name match | openSUSE Tumbleweed package metadata: libcoap3-3 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | C implementation of Constrained Application Protocol (CoAP) | https://libcoap.net/


## Liens liés

- [Source-control packages](https://pkg.so/fr/source-control-tools/) - Belongs to a source-control command family.
- [Secret-risk packages](https://pkg.so/fr/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://pkg.so/fr/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://pkg.so/fr/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [openssl@3](https://pkg.so/fr/brew/openssl-3/) - Runtime dependency declared by Homebrew.
- [pkgconf](https://pkg.so/fr/brew/pkgconf/) - Build dependency declared by Homebrew.
- [libtool](https://pkg.so/fr/brew/libtool/) - Build dependency declared by Homebrew.
- [autoconf](https://pkg.so/fr/brew/autoconf/) - Build dependency declared by Homebrew.
- [automake](https://pkg.so/fr/brew/automake/) - Build dependency declared by Homebrew.
- [liblo](https://pkg.so/fr/brew/liblo/) - Shares pkgdb curated category or tags: c, cli, library, network-protocol, networking.
- [openiothub-server](https://pkg.so/fr/brew/openiothub-server/) - Shares pkgdb curated category or tags: cli, iot, networking.
- [c-ares](https://pkg.so/fr/brew/c-ares/) - Shares pkgdb curated category or tags: c, cli, library, networking.
- [czmq](https://pkg.so/fr/brew/czmq/) - Shares pkgdb curated category or tags: c, cli, library, networking.
- [libnet](https://pkg.so/fr/brew/libnet/) - Shares pkgdb curated category or tags: c, cli, library, networking.
- [xmlrpc-c](https://pkg.so/fr/brew/xmlrpc-c/) - Shares pkgdb curated category or tags: c, cli, library, networking.
- [sofia-sip](https://pkg.so/fr/brew/sofia-sip/) - Shares pkgdb curated category or tags: c, cli, library, networking.
- [hesiod](https://pkg.so/fr/brew/hesiod/) - Shares pkgdb curated category or tags: c, cli, library, networking.
- [proxygen](https://pkg.so/fr/brew/proxygen/) - Local metadata places this package in an adjacent workflow. Shared terms: cli, client, library, networking, openssl.
- [civetweb](https://pkg.so/fr/brew/civetweb/) - Local metadata places this package in an adjacent workflow. Shared terms: c, cli, networking, openssl, openssl-3.
- [fastnetmon](https://pkg.so/fr/brew/fastnetmon/) - Local metadata places this package in an adjacent workflow. Shared terms: cli, client, network, networking, openssl.

## Combined YAML source

View the package source record on GitHub. [combined/libcoap.yml](https://github.com/mxcl/pkgdb/blob/main/combined/libcoap.yml)


## Sources

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