⚡ Stresser by B-dev

A lightweight and simple HTTP stress-testing CLI tool written in Go.

⚠️ Warning: Only test servers you own or have explicit permission to test!

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✨ Features

Simple CLI interface

URL or positional IP input

Custom HTTP methods (GET, POST, PUT, etc.)

Add custom headers and request body

TLS insecure option for testing self-signed certificates

Rate limiting (requests per second)

Progress output with basic latency stats (min/max/avg)

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🛠️ Build

You need Go 1.21+ installed.

Build the binary

go build -o stresser main.go

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🚀 Usage

Basic usage with flags

./stresser -url http://localhost:8000 -c 50 -n 1000

Positional URL (optional)

./stresser http://localhost:8000 -c 50 -n 1000

IP only (auto prepends http://)

./stresser 192.168.1.50 -c 50 -n 1000

POST request with body and headers, rate limit 200 req/s

./stresser -url https://api.example.com/submit -X POST -body payload.json -H "Content-Type: application/json" -c 200 -n 5000 -rate 200

Skip TLS verification (testing only)

./stresser -url https://self-signed.example -insecure -c 50 -n 2000

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⚙️ Flags

-url → Target URL (or use positional arg)

-c → Concurrency (number of goroutines)

-n → Total requests to send

-X → HTTP method (GET, POST, PUT...)

-body → Path to request body file (optional)

-H → Custom header, repeatable (e.g. -H 'Key: Value')

-timeout → Timeout per request in seconds

-insecure → Skip TLS verification (for testing only)

-rate → Max requests per second (0 = unlimited)

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📊 Output

Shows progress every 2 seconds:

Sent: 150/1000 | Success: 145 | Fail: 5

And final summary:

=== Summary === Total requests: 1000 Time taken: 12.5s Sent: 1000 | Success: 980 | Fail: 20 Min latency: 15ms Max latency: 220ms Avg latency: 48ms

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💡 Notes

Lightweight tool for learning and small tests.

For production-level load testing, consider k6, vegeta, wrk, or hey.

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📄 License

MIT