# Install udptunnel with Homebrew, apt, Nix

Tunnel UDP packets over a TCP connection. Version 1.1 via Homebrew; verified 2026-06-29.

## Install

```sh
sudo av install brew:udptunnel
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install udptunnel
```

  Evidence: local Homebrew formula metadata

### Linux

- Debian apt (92%):

```sh
sudo apt install udptunnel
```

  Evidence: Debian stable package indexes: udptunnel from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- Nix (92%):

```sh
nix profile install nixpkgs#udptunnel
```

  Evidence: nixpkgs package indexes: pkgs/by-name/ud/udptunnel/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## Package facts

- **Package key:** brew:udptunnel
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/udptunnel>
- **Version:** 1.1
- **Source summary:** Tunnel UDP packets over a TCP connection
- **Homepage:** <https://www.cs.columbia.edu/~lennox/udptunnel/>
- **Upstream docs:** <https://www.cs.columbia.edu/~lennox/udptunnel>
- **License:** BSD-3-Clause
- **Source archive:** <https://www.cs.columbia.edu/~lennox/udptunnel/udptunnel-1.1.tar.gz>
- **Last updated:** 2026-06-29T19:43:01-04:00
- **Generated:** 2026-07-08T18:08:21+00:00

## Executables

- udptunnel (cli)
- udptunnel (alias)

## Build dependencies

- autoconf
- automake

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 1.1
- Package-manager updated: 2026-06-29
- Local data: ok
- Upstream repository: https://www.cs.columbia.edu/~lennox/udptunnel/
- info: Release/tag comparison is only available for GitHub repositories.
## Project history and usage

UDPTunnel is a small Unix networking utility for carrying UDP packets over a TCP connection. Its own documentation describes the original motivation as letting multimedia conferences traverse firewalls that allowed only outgoing TCP.

### Project history

Jonathan Lennox released UDPTunnel 1.0 in 1999 and version 1.1 in 2001. The 1.1 release was a relicensing and documentation update with no code changes, which helps explain why the package remains a compact, stable command-line tool rather than an actively evolving service.

### Adoption history

The official page documents portability to POSIX socket platforms and notes testing on Solaris, Linux, and FreeBSD. Its package-manager presence is mostly as a small compatibility tool for users who need the exact UDP-over-TCP behavior rather than a broader VPN or proxy stack.

### How it is used

UDPTunnel runs in client or server mode and relays UDP after establishing a TCP connection. The documentation also calls out RTP mode for paired RTP/RTCP multimedia traffic and explains that multicast addresses can be tunneled with an explicit TTL.

### Why package nerds care

For package nerds, UDPTunnel is the sort of tiny historical network utility that survives because it does one old Internet job plainly: build with autoconf, install one binary, and tunnel UDP-like conference traffic through restrictive TCP-only paths.

### Timeline

- 1999-05-19: UDPTunnel 1.0 initial release.
- 2001-09-06: UDPTunnel 1.1 re-released under a BSD-style license with documentation updates and no code changes.

### Related projects

- The documentation frames UDPTunnel around RTP-style multimedia traffic and notes incorporated code by Henning Schulzrinne.

### Sources

- <https://www.cs.columbia.edu/~lennox/udptunnel/ documents the purpose, usage modes, platform notes, author, and 1999/2001 release history.>
- source_facts.package-manager lists Homebrew, Debian, Nix, and Ubuntu package names.


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** udptunnel
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- Debian apt - udptunnel - 1.1-12: normalized package name match | Debian stable package indexes: udptunnel from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | tunnel UDP packets over a TCP connection | http://www1.cs.columbia.edu/~lennox/udptunnel/
- Nix - udptunnel: normalized package name match | nixpkgs package indexes: pkgs/by-name/ud/udptunnel/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - udptunnel - 1.1-10: normalized package name match | Ubuntu 24.04 LTS package indexes: udptunnel from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | tunnel UDP packets over a TCP connection | http://www1.cs.columbia.edu/~lennox/udptunnel/


## Related links

- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Homebrew utility packages](https://www.automicvault.com/pkg/brew-utility-packages/) - Matched Homebrew package provider.
- [autoconf](https://www.automicvault.com/pkg/brew/autoconf/) - Build dependency declared by Homebrew.
- [automake](https://www.automicvault.com/pkg/brew/automake/) - Build dependency declared by Homebrew.
- [tcptunnel](https://www.automicvault.com/pkg/brew/tcptunnel/) - Shares av.db curated category or tags: cli, networking, tcp, tunneling.
- [dns2tcp](https://www.automicvault.com/pkg/brew/dns2tcp/) - Shares av.db curated category or tags: cli, networking, tcp, tunneling.
- [jprq](https://www.automicvault.com/pkg/brew/jprq/) - Shares av.db curated category or tags: cli, networking, tcp, tunneling.
- [ptunnel](https://www.automicvault.com/pkg/brew/ptunnel/) - Shares av.db curated category or tags: cli, networking, tunneling.
- [udp2raw-multiplatform](https://www.automicvault.com/pkg/brew/udp2raw-multiplatform/) - Shares av.db curated category or tags: cli, networking, tunneling, udp.
- [zoro](https://www.automicvault.com/pkg/brew/zoro/) - Shares av.db curated category or tags: cli, networking, tcp, tunneling, udp.
- [autossh](https://www.automicvault.com/pkg/brew/autossh/) - Shares av.db curated category or tags: cli, networking, tunneling.
- [bore-cli](https://www.automicvault.com/pkg/brew/bore-cli/) - Shares av.db curated category or tags: cli, networking, tunneling.

## Combined YAML source

View the package source record on GitHub. [combined/udptunnel.yml](https://github.com/automic-vault/db/blob/main/combined/udptunnel.yml)


## Sources

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