# Install knock Port-knock server. Version 0.8 via Homebrew; verified from local package data. ## Install ```sh sudo av install brew:knock ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install knock ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install knock ``` Evidence: MacPorts ports tree: net/knock/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - apk (92%): ```sh sudo apk add knock ``` Evidence: Alpine Linux edge package indexes: knock from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz - dnf (92%): ```sh sudo dnf install knock ``` Evidence: Fedora Rawhide package metadata: knock from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst - zypper (92%): ```sh sudo zypper install knock ``` Evidence: openSUSE Tumbleweed package metadata: knock from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst - Debian apt (92%): ```sh sudo apt install knockd ``` Evidence: Debian stable package indexes: knockd from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - pacman (92%): ```sh sudo pacman -S knockd ``` Evidence: Arch Linux sync databases: knockd from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz ## Package Facts - **Package key:** brew:knock - **Package manager:** Homebrew - **Package manager URL:** - **Version:** 0.8 - **Source summary:** Port-knock server - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** GPL-2.0-or-later - **Source archive:** - **Generated:** 2026-06-10T07:18:26+00:00 ## Executables - knock (cli) - knock_helper_ipt.sh (cli) - knockd (cli) - knock (alias) - knock_helper_ipt.sh (alias) - knockd (alias) ## macOS Provided Libraries - libpcap ## Install Behavior - Post-install hook: not defined - Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura ## Freshness - Page generated: 2026-06-10 - Package-manager version: 0.8 - Local data status: ok - Upstream repository: https://github.com/jvinet/knock - info: No package-manager update timestamp was available. - info: No cached GitHub release or tag data was available. ## セキュリティノート broad file, network, media, or database tool signal. - **Geiger risk:** blue / medium - broad file, network, media, or database tool signal ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** knock - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - apk - knock - 0.8.2-r2: normalized package name match | Alpine Linux edge package indexes: knock from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A simple port-knocking daemon | https://github.com/TDFKAOlli/knock - apk - knock-doc - 0.8.2-r2: normalized package name match | Alpine Linux edge package indexes: knock-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A simple port-knocking daemon (documentation) | https://github.com/TDFKAOlli/knock - apk - knock-openrc - 0.8.2-r2: normalized package name match | Alpine Linux edge package indexes: knock-openrc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | A simple port-knocking daemon (OpenRC init scripts) | https://github.com/TDFKAOlli/knock - dnf - knock - 0.8-13.fc44: normalized package name match | Fedora Rawhide package metadata: knock from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | A port-knocking server/client | http://www.zeroflux.org/projects/knock - dnf - knock-server - 0.8-13.fc44: normalized package name match | Fedora Rawhide package metadata: knock-server from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst | A port-knocking server/client | http://www.zeroflux.org/projects/knock - zypper - knock - 0.8-4.4: normalized package name match | openSUSE Tumbleweed package metadata: knock from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst | A Port-Knocking Client | http://www.zeroflux.org/knock/ - zypper - knockd - 0.8-4.4: normalized package name match | openSUSE Tumbleweed package metadata: knockd from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst | A port-knocking server | http://www.zeroflux.org/knock/ - MacPorts - knock: normalized package name match | MacPorts ports tree: net/knock/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 - Debian apt - knockd - 0.8-2+b6: installed executable or alias match | Debian stable package indexes: knockd from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | small port-knock daemon | http://www.zeroflux.org/projects/knock - Ubuntu apt - knockd - 0.8-2build2: installed executable or alias match | Ubuntu 24.04 LTS package indexes: knockd from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | small port-knock daemon | http://www.zeroflux.org/projects/knock - pacman - knockd - 0.8-2: installed executable or alias match | Arch Linux sync databases: knockd from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | A simple port-knocking daemon | https://github.com/jvinet/knock ## Related Links - [Source-control packages](https://www.automicvault.com/ja/pkg/source-control-tools/) - Belongs to a source-control command family. - [Secret-risk packages](https://www.automicvault.com/ja/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals. - [Terminal utility packages](https://www.automicvault.com/ja/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Networking and protocol packages](https://www.automicvault.com/ja/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [fwknop](https://www.automicvault.com/ja/pkg/brew/fwknop/) - Shares av.db curated category or tags: access-control, cli, firewall, port-knocking, security. - [rush](https://www.automicvault.com/ja/pkg/brew/rush/) - Shares av.db curated category or tags: access-control, cli, security. - [libselinux](https://www.automicvault.com/ja/pkg/brew/libselinux/) - Shares av.db curated category or tags: access-control, cli, security. - [clamav](https://www.automicvault.com/ja/pkg/brew/clamav/) - Shares av.db curated category or tags: cli, daemon, security. - [fail2ban](https://www.automicvault.com/ja/pkg/brew/fail2ban/) - Shares av.db curated category or tags: cli, firewall, security. - [sshguard](https://www.automicvault.com/ja/pkg/brew/sshguard/) - Shares av.db curated category or tags: cli, firewall, security. - [pomerium](https://www.automicvault.com/ja/pkg/brew/pomerium/) - Shares av.db curated category or tags: access-control, cli, security. - [gnutls](https://www.automicvault.com/ja/pkg/brew/gnutls/) - Shares av.db curated category or tags: cli, security. - [crip](https://www.automicvault.com/ja/pkg/brew/crip/) - Security-sensitive metadata or terminology overlaps. Shared terms: cli, security, server. ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph