TFTP Client-Server Implementation in Java

Setup Requirements

Prerequisites

• Java Development Kit (JDK) 8 or higher
• Git
• VMware/VirtualBox (or any virtualization software)
• Two Virtual Machines (VMs) running Ubuntu

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Installation Steps

Clone the Repository on Both VMs

git clone https://github.com/Samriddhi903/TFTPClientServer.git
cd TFTPClientServer

Server Setup

1. Create credentials.txt file: This file must contain valid username-password pairs, e.g.:

user1:password1
user2:password2

2. Compile and Run the Server

javac TFTPServer.java
java TFTPServer

Client Setup

1. Compile and Run the Client

javac TFTPClient.java
java TFTPClient

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Usage Instructions

1. Ensure Server is Running: Start the server on one VM.
2. Authenticate via Client: Enter valid credentials from credentials.txt.
3. Select Operation: Choose to upload or download files.
4. File Transfer: Monitor the transfer status in the terminal.

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Project Structure

TFTPClientServer/
├── client_files/          # Files for client access
├── server_files/          # Files stored on the server
├── credentials.txt        # Server-side credentials file
├── TFTPServer.java        # Server implementation
├── TFTPClient.java        # Client implementation
└── README.md              # Project documentation

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Additional Notes

• Ensure the VMs are networked properly (use NAT or Bridged mode).
• The server VM must have port 69 (TFTP) open and accessible.
• Verify that both VMs can ping each other before starting the server and client.

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Contributing

1. Fork the repository
2. Create a new branch

git checkout -b feature-branch

3. Commit your changes

git commit -m 'Add new feature'

4. Push to the branch

git push origin feature-branch

5. Open a pull request

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License

This project is licensed under the MIT License.