ehco ☆
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Description:
Network relay tool and a typo :)
Type: Formula  |  Latest Version: 1.1.5@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Networking
Tags: networking relay tunnel proxy golang
Install: brew install ehco
About:
Ehco is a lightweight network relay tool designed to forward TCP and UDP traffic between endpoints. It serves as a practical example of a Go-based relay implementation, often used for tunneling or bypassing network restrictions. The project's name is a playful nod to a common typo of 'echo', reflecting its function of echoing traffic from one point to another.
Key Features:
  • Supports TCP and UDP traffic forwarding
  • Lightweight and written in Go for portability
  • Simple configuration via command-line flags
  • Includes a built-in WebSocket tunnel mode
Use Cases:
  • Bypassing network firewalls or restrictions
  • Creating simple network tunnels for development or testing
  • Forwarding traffic to services behind NAT
Alternatives:
  • frp – frp is a more feature-rich and widely used tunneling tool with a focus on exposing local services to the internet.
  • socat – socat is a versatile command-line utility for establishing bidirectional data streams, often used for similar relay tasks.
Version History
Detected Version Rev Change Commit
Oct 10, 2025 1:06pm 0 VERSION_BUMP 28fe6108
Sep 13, 2025 4:35pm 0 VERSION_BUMP 68429855
Sep 12, 2024 5:55pm 0 VERSION_BUMP fa623393
Jan 15, 2024 1:34pm 0 VERSION_BUMP ecc569db
Dec 29, 2023 2:28pm 0 VERSION_BUMP 8748b054
Dec 29, 2023 4:21am 0 VERSION_BUMP 3a6c3647
Feb 22, 2023 5:12am 0 VERSION_BUMP 4e53719a
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