S5

A minimal SOCKS5 proxy.

It supports:

• CONNECT command only (TCP)
• Username and password authentication
• IPv4, IPv6 and domain targets
• Configurable timeout and buffer size
• Active connection counter

This project is focused on simplicity and readability.

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Build

CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
go build -trimpath -ldflags="-s -w -buildid=" -o s5

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Run

./s5 [flags]

Flags

-l string
    listen address (default "127.0.0.1:1080")

-u string
    username (default "admin")

-p string
    password (default "admin")

-b int
    buffer size in bytes (default 65536)

-t duration
    connection timeout (default 5s)

Example

./s5 -l 0.0.0.0:1080 -u user -p secret

Then configure your client to use:

• SOCKS5
• Host: your server IP
• Port: 1080
• Username and password you set