# tcptunnel を Homebrew でインストール

tcptunnel 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

```sh
sudo av install brew:tcptunnel
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install tcptunnel
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:tcptunnel
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.8
- **ソース概要:** TCP port forwarder
- **ホームページ:** <https://vakuumverpackt.de/tcptunnel/>
- **リポジトリ:** <https://github.com/vakuum/tcptunnel>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- tcptunnel (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 0.8
## プロジェクトの歴史と使われ方

tcptunnel is a small TCP port forwarder by Clemens Fuchslocher. It listens on a local TCP port and forwards received data to a remote host, making it a simple utility for redirecting TCP-based protocols.

### プロジェクトの歴史

The official homepage and ChangeLog date the first public release to 2000-08-15. Later entries show the portability-driven shape of the project: HP-UX and SunOS support in 2000, Windows support in 2004, renewed cleanup and fork-based concurrency in 2010, Cygwin fork support in 2013, and Mac OS X support in version 0.8.

### 採用の歴史

The supplied package metadata shows Homebrew packaging, and the README explicitly thanks a Homebrew pull request for Mac OS X installation instructions. The official homepage also provided source and Windows binary downloads, so the tool was distributed both as a small upstream tarball and as a package-manager formula.

### 使われ方

The official documentation describes redirecting TCP-based protocols such as HTTP, IRC, NNTP, SSH, and SMTP. The CLI exposes local and remote port settings, remote host, bind and client address controls, buffer size, forked concurrency, logging, and stay-alive behavior.

### パッケージ好きにとっての重要性

tcptunnel is the kind of package that remains useful because it is minimal: install it, bind a local port, and forward bytes. It matters in the package-nerd niche as a compact alternative when a full proxy, SSH tunnel setup, or larger networking toolkit would be unnecessary.

### タイムライン

- 2000-08-15: tcptunnel 0.1 first public release.
- 2000-09-14: 0.1g added HP-UX and SunOS support.
- 2004-12-28: 0.2 added Windows support.
- 2010-09-21: Added fork-based concurrent client handling.
- 2013-10-27: 0.8 added Mac OS X support and a buffer-size option.

### Related projects

- The official page frames tcptunnel around TCP-based protocols including HTTP, IRC, NNTP, SSH, and SMTP; Cygwin and MinGW appear as Windows build environments in the README.

### ソース

- <https://github.com/vakuum/tcptunnel#readme>
- <https://raw.githubusercontent.com/vakuum/tcptunnel/master/ChangeLog>
- <https://vakuumverpackt.de/tcptunnel/>
- input source_facts.package-manager


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals


## Combined YAML source

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


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph
