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使用 Homebrew, apt, MacPorts, Nix 安装 dns2tcp

查看 dns2tcp 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。

安装命令安全说明

安装

其他安装命令

macOS

Homebrew已验证 · 100%
brew install dns2tcp

local Homebrew formula metadata

MacPorts已验证 · 94%
sudo port install dns2tcp

MacPorts ports tree · net/dns2tcp/Portfile · 来源: api.github.com

Linux

Debian apt已验证 · 92%
sudo apt install dns2tcp

Debian stable package indexes · dns2tcp · 来源: deb.debian.org

Nix已验证 · 92%
nix profile install nixpkgs#dns2tcp

nixpkgs package indexes · pkgs/by-name/dn/dns2tcp/package.nix · 来源: api.github.com

概览

软件包摘要

TCP over DNS tunnel

命令和别名

  • dns2tcpc
  • dns2tcpd

历史

项目历史与用法

dns2tcp is a client/server tool for relaying TCP connections over DNS. It belongs to the older family of DNS-tunneling utilities used for constrained networks, demonstrations, and security testing rather than general-purpose VPN service.

项目历史

The upstream ChangeLog marks version 0.3 as the public release and records later fixes for 64-bit architectures, DNS decoding, privilege dropping, client authentication, and Windows client support. The README is explicit that DNS encapsulation is not encrypted and should be treated as an insecure transport.

采用历史

dns2tcp stayed visible because it solves one very specific network problem with small C tools: a client, a server, and simple resource mappings. Distribution packaging kept it available for administrators and security testers who need a TCP-over-DNS tunnel without a broader VPN stack.

使用方式

The README shows using dns2tcpc to list available remote resources, bind a local port to a remote service, or run from ~/.dns2tcprc. Server use centers on ~/.dns2tcpdrc, where the operator defines the DNS domain, key, and named resources such as ssh or smtp targets.

为什么软件包爱好者会关心

Package nerds care about dns2tcp because it is a classic small-network-tool package: narrow, risky if misunderstood, but valuable in labs and incident-response toolboxes because it demonstrates TCP-over-DNS behavior with minimal moving parts.

时间线

  • 0.3: Public release.
  • 0.4: 64-bit architectures start working.
  • 0.5: Client authentication, Windows client support, and proxy-style use are added.
  • 0.5.2: OpenSSL includes are removed after earlier library cleanup.

Related projects

  • iodine is a related DNS-tunneling project focused on IP-over-DNS rather than TCP-over-DNS.
  • ssh ProxyCommand workflows are a common adjacent use case for dns2tcpc.

安全态势

风险级别：绿色

narrow executable package without higher-risk signals.

风险分类器

绿色 风险 · 低 置信度 · appliance

原因

  • narrow executable package without higher-risk signals

信号

  • metadata:no-higher-risk-signals

安装行为

  • 未记录 Homebrew bottle 元数据。

建议审查

在无人值守的代理使用前，请检查该工具是否读取明文凭据、写入远程状态、发布制品或调用插件。

local files

Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.

Configuration files

Config paths the tool may read or write during local use.

Unix
~/.dns2tcprc~/.dns2tcpdrc

Credential files

Credential-bearing paths to review before unattended agent runs.

Unix
~/.dns2tcprc~/.dns2tcpdrc

可执行文件

已安装的可执行文件

命令类型暴露范围备注
dns2tcpc可执行文件已索引可执行文件从本地可执行文件索引发现。
dns2tcpd可执行文件已索引可执行文件从本地可执行文件索引发现。

新鲜度

版本和新鲜度

这些信号区分页生成时间、软件包管理器活动和上游发布比较。只有存在证据 URL 和可比较版本时，才会提示版本落后。

页面生成时间2026-08-03
管理器版本0.5.2
管理器更新时间
本地数据未知
上游不可用
检测到的最新版本未检测到
  • OK没有生成新鲜度警告。

安装元数据

软件包元数据

软件包键brew:dns2tcp
版本0.5.2
软件包管理器Homebrew
主页https://packages.debian.org/sid/dns2tcp
Bottle未记录
服务未声明

源数据库匹配

其他软件包管理器记录

匹配项来自外部软件包管理器索引，并与本地 Automic Vault 软件包链接分开显示。

Debian apt95%

dns2tcp 0.5.2-3

TCP-over-DNS tunnel server and client

http://www.hsc.fr/ressources/outils/dns2tcp/

sudo apt install dns2tcp
  • Section: net
  • Architecture: amd64
  • 3 依赖
  • normalized package name match
  • 匹配方式：Dns2tcp
Debian stable package indexes · deb.debian.org · Debian stable package indexes: dns2tcp from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

dns2tcp

nix profile install nixpkgs#dns2tcp
  • normalized package name match
  • 匹配方式：Dns2tcp
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/dn/dns2tcp/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

dns2tcp 0.5.2-3

TCP-over-DNS tunnel server and client

http://www.hsc.fr/ressources/outils/dns2tcp/

sudo apt install dns2tcp
  • Section: universe/net
  • Architecture: amd64
  • 3 依赖
  • normalized package name match
  • 匹配方式：Dns2tcp
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: dns2tcp from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
MacPorts95%

dns2tcp

sudo port install dns2tcp
  • normalized package name match
  • 匹配方式：Dns2tcp
MacPorts ports tree · api.github.com · MacPorts ports tree: net/dns2tcp/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

软件包图谱

链接来自本地软件包关系图、补充数据、依赖边、生态匹配和软件包 hub 归属。

来源线索

由仓库数据生成

此页面由 av-web 从 scripts/generate-pkg-sqlite.py 生成的私有软件包 SQLite 工件提供。

使用的来源

  • Geiger risk classifier
  • cross-ecosystem install command graph
  • curated configuration and credential file locations
  • curated package history
  • external package-manager database matches
  • pkg.so package database
  • pkgdb category and tag curation