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brew

ngrep を Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper でインストール

ngrep のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

インストール

追加のインストールコマンド

macOS

Homebrew確認済み · 100%
brew install ngrep

local Homebrew formula metadata

MacPorts確認済み · 94%
sudo port install ngrep

MacPorts ports tree · net/ngrep/Portfile · ソース: api.github.com

Linux

Alpine Linux apk確認済み · 92%
sudo apk add ngrep

Alpine Linux edge package indexes · ngrep · ソース: dl-cdn.alpinelinux.org

Debian apt確認済み · 92%
sudo apt install ngrep

Debian stable package indexes · ngrep · ソース: deb.debian.org

Fedora dnf確認済み · 92%
sudo dnf install ngrep

Fedora Rawhide package metadata · ngrep · ソース: dl.fedoraproject.org

Nix確認済み · 92%
nix profile install nixpkgs#ngrep

nixpkgs package indexes · pkgs/by-name/ng/ngrep/package.nix · ソース: api.github.com

Arch Linux pacman確認済み · 92%
sudo pacman -S ngrep

Arch Linux sync databases · ngrep · ソース: geo.mirror.pkgbuild.com

openSUSE zypper確認済み · 92%
sudo zypper install ngrep

openSUSE Tumbleweed package metadata · ngrep · ソース: download.opensuse.org

概要

パッケージ概要

Network grep

コマンドとエイリアス

  • ngrep

履歴

プロジェクトの歴史と使われ方

ngrep is "network grep": a pcap-based command-line packet analyzer that applies regular-expression or hexadecimal matching to packet payloads while also accepting BPF filters like tcpdump. It is built for quick inspection of plaintext traffic and saved capture files.

プロジェクトの歴史

ngrep was written by Jordan Ritter and dates back to the early 2000s; a freshmeat announcement for ngrep 1.39.1 appeared on April 23, 2001. The tool's identity has stayed stable: bring GNU grep-style matching to the network layer.

The project lived for years as a classic Unix network utility and later moved active issue and patch handling to GitHub. Its README still frames ngrep as a PCAP tool that understands IPv4/IPv6, TCP, UDP, ICMP, IGMP, raw packets, several link-layer interface types, and BPF filter logic.

採用の歴史

ngrep became a small but widely packaged troubleshooting utility because it sits between tcpdump and a full packet analyzer. It was included de facto in many popular distributions over decades, and the maintainer explicitly asks distribution package maintainers to forward bugs and patches so upstream can track downstream fixes.

Its adoption is bounded by encryption. ngrep is excellent for DNS, old HTTP, SMTP, SIP, IMAP, test traffic, malware beacons in plaintext, and pcap triage; it is less useful when payloads are TLS-encrypted unless the useful signal is in headers, metadata, or local decrypted test traffic.

使われ方

A typical workflow is `sudo ngrep -d any -W byline 'Host:|User-Agent:' tcp port 80`, or using an empty match expression with a BPF filter to print payloads for a protocol. It can read and write pcap dump files, making it useful for quick command-line passes before opening Wireshark.

Package nerds install it because it is the fast, memorable answer to "show me packets containing this string". It is especially handy on servers where a GUI analyzer is unavailable and tcpdump output is too raw for the immediate question.

パッケージ好きにとっての重要性

ngrep is a survivor from the era when small C network tools solved one sharp problem well. It matters less as a dependency and more as an operator tool: a tiny package that can save a debugging session when traffic is still human-readable.

タイムライン

  • 2001-04-23: ngrep 1.39.1 was announced on freshmeat.
  • 2008: SourceForge tickets show Jordan Ritter still handling upstream bug fixes.
  • 2026-02-08: the GitHub repository listed v1.49.0 as a release with PCRE2, Docker/Podman name-resolution, and Windows build updates.

Related projects

  • tcpdump
  • libpcap
  • Wireshark
  • snoop
  • GNU grep

セキュリティ状態

リスクレベル: blue

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

リスク分類器

リスク blue · 信頼度 中 · tool

理由

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

信号

  • text:network

インストール挙動

  • formula メタデータに Homebrew post-install フックは記録されていません。
  • Homebrew bottle メタデータは 6 個のプラットフォームターゲットで利用できます。
  • 2 件の実行時依存関係とともにインストールされます。

推奨レビュー

エージェントに無人実行させる前に、このツールが平文の認証情報を読むか、リモート状態を書き込むか、成果物を公開するか、プラグインを起動するかを確認してください。

実行可能ファイル

インストールされる実行可能ファイル

コマンド種類公開範囲メモ
ngrepcliグローバル実行可能ファイル

鮮度

バージョンと鮮度

これらの信号は、ページ生成時期、パッケージマネージャの活動、上流リリース比較を分けて示します。バージョン遅れは、証拠 URL と比較可能なバージョンがある場合だけ警告されます。

ページ生成日2026-07-10
マネージャ版1.49.0
マネージャ更新日2026-06-25
ローカルデータOK
上流最新
検出された最新v1.49.0

https://github.com/jpr5/ngrep

  • OK鮮度警告は生成されていません。

インストールメタデータ

パッケージメタデータ

パッケージキーbrew:ngrep
バージョン1.49.0
パッケージマネージャHomebrew
パッケージマネージャページhttps://formulae.brew.sh/formula/ngrep
ホームページhttps://github.com/jpr5/ngrep
リポジトリhttps://github.com/jpr5/ngrep
上流ドキュメントhttps://github.com/jpr5/ngrep#readme
ライセンスngrep
ソースアーカイブhttps://github.com/jpr5/ngrep/archive/refs/tags/v1.49.0.tar.gz
最終更新2026-06-25T13:37:57+02:00
Pulseupdated
依存関係libpcap, pcre2
Bottle利用可能 (対象 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-install未定義
サービス宣言なし

レジストリ情報

ソースデータベース詳細

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

ソースデータベース一致

他のパッケージマネージャ記録

一致は外部パッケージマネージャインデックスから取得され、ローカルの Automic Vault パッケージリンクとは分けて表示されます。

Debian apt95%

ngrep 1.47+ds1-6

grep for network traffic

https://github.com/jpr5/ngrep

sudo apt install ngrep
  • Section: net
  • Architecture: amd64
  • 4 依存関係
  • normalized package name match
  • 一致条件: Ngrep
Debian stable package indexes · deb.debian.org · Debian stable package indexes: ngrep from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

ngrep

nix profile install nixpkgs#ngrep
  • normalized package name match
  • 一致条件: Ngrep
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/ng/ngrep/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

ngrep 1.47+ds1-5build2

grep for network traffic

https://github.com/jpr5/ngrep

sudo apt install ngrep
  • Section: universe/net
  • Architecture: amd64
  • 4 依存関係
  • normalized package name match
  • 一致条件: Ngrep
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: ngrep from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
apk95%

ngrep 1.49.0-r0

A grep-like utility that allows you to search for network packets on an interface

https://ngrep.sourceforge.net/

sudo apk add ngrep
  • License: custom
  • Architecture: x86_64
  • Source Package: ngrep
  • 1 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Ngrep
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: ngrep from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

ngrep-dbg 1.49.0-r0

A grep-like utility that allows you to search for network packets on an interface (debug symbols)

https://ngrep.sourceforge.net/

sudo apk add ngrep-dbg
  • License: custom
  • Architecture: x86_64
  • Source Package: ngrep
  • 1 依存関係
  • normalized package name match
  • 一致条件: Ngrep
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: ngrep-dbg from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
apk95%

ngrep-doc 1.49.0-r0

A grep-like utility that allows you to search for network packets on an interface (documentation)

https://ngrep.sourceforge.net/

sudo apk add ngrep-doc
  • License: custom
  • Architecture: x86_64
  • Source Package: ngrep
  • normalized package name match
  • 一致条件: Ngrep
Alpine Linux edge package indexes · dl-cdn.alpinelinux.org · Alpine Linux edge package indexes: ngrep-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
dnf95%

ngrep 1.47^20241209gitb2e3ba3-4.fc44

Network layer grep tool

https://github.com/jpr5/ngrep

sudo dnf install ngrep
  • License: ngrep
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: ngrep
  • 6 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Ngrep
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: ngrep from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst
pacman95%

ngrep 1.49.0-1

A grep-like utility that allows you to search for network packets on an interface.

https://github.com/jpr5/ngrep/

sudo pacman -S ngrep
  • License: custom
  • Architecture: x86_64
  • 2 依存関係
  • normalized package name match
  • 一致条件: Ngrep
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: ngrep from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
zypper95%

ngrep 1.49.0-1.3

Network grep

https://github.com/jpr5/ngrep

sudo zypper install ngrep
  • License: BSD-4-Clause
  • Category: Productivity/Networking/Diagnostic
  • Architecture: x86_64
  • Source Package: ngrep
  • 3 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Ngrep
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: ngrep from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
MacPorts95%

ngrep

sudo port install ngrep
  • normalized package name match
  • 一致条件: Ngrep
MacPorts ports tree · api.github.com · MacPorts ports tree: net/ngrep/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

ソース経路

リポジトリデータから生成

このページは scripts/generate-pkg-sqlite.py が生成した非公開のパッケージ SQLite アーティファクトから av-web によって提供されます。

使用ソース

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