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

プロジェクトリンク

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コマンドとエイリアス

• iodine
• iodined

プロジェクトの歴史

The project published version 0.3.0 as its first public release on 2006-06-24 with Linux, FreeBSD, and OpenBSD support. Subsequent releases added Mac OS X support, authentication, multiuser operation, manpages, several DNS response encodings, Windows support, raw UDP mode, SELinux and systemd-related support, and IPv6 transport support for parts of the connection path while keeping tunneled payloads IPv4.

iodine's development history is especially visible in its changelog because many features correspond to real-world DNS-relay behavior: fragment-size probing, alternative record types, Base32/Base64/Base128 encodings, hostname-length controls, and workarounds for relays that rewrite or time out unusual DNS traffic.

採用の歴史

The package became a standard small networking utility across Unix-like package managers. The Homebrew formula packages versioned GitHub tag archives and bottles it for macOS and Linux targets, while the input package metadata also lists iodine in Debian, Ubuntu, Fedora, Alpine, Arch, Nix, MacPorts, and openSUSE-style ecosystems.

使われ方

iodine is normally used as an iodined server bound to a delegated DNS subdomain and an iodine client that opens a TUN-style interface. The README emphasizes that the server and client should speak the same protocol version, that users need control over a real domain for routed use, and that tunneled traffic is not encrypted by iodine itself.

パッケージ好きにとっての重要性

For package nerds, iodine is the classic example of a small C networking tool whose packaging value is not just the binary but the platform glue around TUN/TAP devices, resolver behavior, DNS record quirks, and optional OS integration. Its formula is a compact package-manager artifact for a famously odd transport layer.

タイムライン

• 2006: First public release, version 0.3.0.
• 2007: Version 0.4.0 added multiuser support, authentication, and a manpage.
• 2009: Version 0.5.x added Windows support and downstream fragmentation/autoprobing improvements.
• 2010: Version 0.6.0-rc1 added raw UDP mode and more query-type support.
• 2014: Version 0.7.0 added partial IPv6 path support, systemd socket activation, and an authentication-bypass fix.
• 2023: Version 0.8.0 added native Mac OS X utun support, server-side IPv6 listening support, wildcard-domain handling, and other portability updates.

Related projects

• iodine belongs to the DNS-tunnel family of tools and is commonly compared by function rather than code lineage with utilities that tunnel IP or proxy traffic through constrained network egress paths. Its own docs recommend layering SSH or a VPN over the tunnel when confidentiality matters.

ソース

• https://code.kryo.se/iodine
• https://code.kryo.se/iodine/README.html
• https://formulae.brew.sh/formula/iodine
• https://github.com/yarrick/iodine
• https://raw.githubusercontent.com/yarrick/iodine/master/CHANGELOG