Network Diagnostic Tool

Overview

The Network Diagnostic Tool is a comprehensive Java-based application designed for network administrators and IT professionals. It provides a suite of functionalities for diagnosing network issues, inspecting network configurations, and managing firewall rules through a user-friendly RESTful API.

Features

TCP/IP Diagnostics: Perform ping tests, port checks, and latency measurements.
ARP Cache Inspection: View and analyze the Address Resolution Protocol (ARP) cache.
IP Tables Management: Add, remove, and list IP Tables rules (Linux only).
Cross-Platform Compatibility: Supports both Windows and Linux operating systems.
RESTful API: Easy-to-use API for remote network diagnostics and management.

Technologies Used

Java 17
Spring Boot 3.x
Lombok
Maven

Prerequisites

Java Development Kit (JDK) 17 or higher
Maven 3.6 or higher
(Optional) Docker for containerized deployment

Setup and Installation

Clone the repository:

git clone https://github.com/lilei6809/network-diagnostic-tool.git

Navigate to the project directory:
```
cd network-diagnostic-tool
```
Build the project:
```
mvn clean install
```

Run the application:

java -jar target/network-diagnostic-tool-1.0.0.jar

Usage

TCP/IP Diagnostics

Ping a host:
```
GET /api/tcpip/ping?host=example.com
```

Check if a port is open:

GET /api/tcpip/port?host=example.com&port=80

Measure latency:

GET /api/tcpip/latency?host=example.com&port=80

ARP Cache Inspection

View ARP cache:
```
GET /api/arp/cache
```

IP Tables Management (Linux only)

List IP Tables rules:
```
GET /api/iptables/rules
```

Add a new rule:

POST /api/iptables/rule
Content-Type: application/json

{
  "chain": "INPUT",
  "sourceIp": "192.168.1.0/24",
  "protocol": "TCP",
  "destinationPort": 80,
  "action": "ACCEPT"
}

Delete a rule:

DELETE /api/iptables/rule
Content-Type: application/json

{
  "chain": "INPUT",
  "sourceIp": "192.168.1.0/24",
  "protocol": "TCP",
  "destinationPort": 80,
  "action": "ACCEPT"
}

lilei6809/Network-Diagnostic-Tool