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TFTP Overview and Usage
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- TFTP vs FTP
- TFTP uses UDP for quick transfers, while FTP relies on TCP for reliable transfers
- TFTP lacks file management capabilities and authentication features
- TFTP uses port 69/udp, while FTP typically uses ports 20/tcp and 21/tcp
- Common Use Cases
- Used for network booting with Preboot Execution Environment
- Suitable for transferring firmware images and network device configurations
- Ideal for transferring traditional file transfers between client and server
- Installation and Configuration
- Linux requires tftpd-hpa server installation and configuration
- MacOS comes with pre-installed TFTP server and client
- Windows needs additional TFTP client installation through Windows Features
- Security Considerations
- TFTP lacks built-in security features
- Can be secured over SSH tunnels or VPNs
- Access control managed through /etc/tftpaccess.ctl file
- Technical Details
- Primary commands are tftp and utftp for file transfers
- Requires read permissions for source, write permissions for destination
- Limited functionality compared to FTP for file management