OPEN-Eye

🕵️‍♂️ High-Performance TCP/UDP Port Scanner for Cybersecurity Professionals

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🚀 Overview

OPEN-Eye is a professional, high-speed port scanner built in Go. Designed for penetration testers, red/blue teamers, and cybersecurity professionals, it provides fast, reliable scanning for single hosts, multiple hosts, or entire CIDR ranges.

Lightweight, fast, flexible, and output-ready for automation.

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✨ Key Features

Feature	Description
⚡ High Performance	Default 200 concurrent workers for lightning-fast scanning
🔹 Scan Types	TCP (connect) & basic UDP scanning
🖥️ Flexible Targets	Single host, host files, or CIDR ranges
🔢 Custom Ports	Full range, top common ports, or custom lists
⏱️ Timeout & Retries	Handles slow/unresponsive hosts gracefully
🛑 Rate Limiting	Control connections per second to avoid flooding
📊 Multiple Outputs	Table, CSV, JSON for automation & reporting
📝 Verbose Mode	Detailed scanning progress and logs
🏗️ Standalone Binary	No dependencies required; ready-to-run

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🛠️ Installation

# Clone repository
git clone https://github.com/CYBER-4RMY/OPEN-Eye.git
cd OPEN-Eye

# Build binary
go build openeye.go (it is already build for furthure any issue this is a help line)

# Show available options
./openeye -h

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⚙️ Usage

./openeye -host <target> [options]

Common Options

Flag	Description
-T int	Number of concurrent workers (default 200)
-host string	Target host or IP (single)
-hosts string	File with hosts (one per line) or CIDR
-p string	Ports (e.g., 22,80,443 or 1-1024). Default: 1-1024
-top	Scan only top common ports
-all	Show all ports (not only open)
-s string	Scan type: tcp or udp (default tcp)
-timeout int	Timeout per port (seconds)
-retries int	Retries per port on failure
-rps int	Rate-limit connections per second
-csv string	Export results to CSV file
-json	Export results as JSON
-v	Verbose output
-h	Show help

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💡 Examples

Scan ports 1-450 on a single host:

./openeye -host wix.com -p 1-450

Scan top common ports (fast):

./openeye -host wix.com -top

Scan all ports (1-1024):

./openeye -host wix.com -all

Scan multiple hosts from file and export JSON:

./openeye -hosts targets.txt -json

Scan multiple hosts and export CSV:

./openeye -hosts targets.txt -csv results.csv

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📊 Sample Output

[*] OPEN-Eye Scanner - targets: 1, results: 4, duration: 11.99s
+------------------------------+------+------+--------------+--------------------------------+
| Host                         | Port | Proto | Service     | Extra                        |
+------------------------------+------+------+--------------+--------------------------------+
| wix.com                      |   25 | tcp  | SMTP        |                                |
| wix.com                      |   53 | tcp  | DNS         |                                |
| wix.com                      |   80 | tcp  | HTTP        |                                |
| wix.com                      |  443 | tcp  | HTTPS       | CN=*.wix.com, Issuer=R13      |
+------------------------------+------+------+--------------+--------------------------------+

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🔒 Why OPEN-Eye?

• ✅ Fast & Efficient – Scan hundreds of hosts concurrently
• ✅ Professional Output – JSON/CSV for automation and reporting
• ✅ Customizable & Flexible – Control ports, retries, timeout, and rate
• ✅ Built for Professionals – Ideal for pentesting & security audits

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📂 License

Released under the MIT License. Free to use, modify, and distribute. View License

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👤 Author

CYBER-4RMY (CYBER-4RMY)

• GitHub: CYBER-4RMY
• Focus: Cybersecurity, penetration testing, network auditing, and professional security tools.

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This version includes:

1. Banner-style header with icon.
2. Badges for license, Go version, GitHub stars, and issues.
3. Feature highlight table with icons for quick readability.
4. Clean sections for installation, usage, and examples.
5. Professional callouts for why OPEN-Eye is superior.
6. Author section linking to your GitHub.

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