🟢FTP 21
How to attack File Transfer Protocol port 21
Today I will share some basic commands used to attack the FTP service on eJPT Certification, if you want to learn more about Hacking FTP Server read section dedicated to it.
What is the FTP Protocol?
Default Credentials
Version Detection
How to Brute force FTP Services
How to Exploit vsftpd 2.3.4 Backdoor
Nmap NSE Scripts for FTP
Setting Up FTP Server for Penetration Testing
To set up an FTP server environment for testing the vulnerability, you can use Docker or setup an environment manually:
Securing the FTP Service
Once the vulnerabilities are identified and exploited, as a responsible security professional, it is important to secure the FTP server:
Change the default credentials.
Disable anonymous access if it's not necessary.
Use strong passwords and employ password management policies.
Keep FTP server software up to date with the latest security patches.
Consider using secure versions like SFTP (SSH File Transfer Protocol) or FTPS (FTP Secure) which provide encryption.
Legal and Ethical Considerations
Before engaging in any penetration testing activity, always:
Get explicit written permission from the owner of the FTP server.
Follow the scope of the agreed terms and conditions to avoid legal issues.
Be ethical and responsible with the data and access privileges obtained during testing.
Report all findings to the server owner and provide recommendations for securing their systems.
Conclusion
FTP, being one of the oldest file transfer protocols, is vulnerable to various attacks. Use this guide responsibly, always within the legal frameworks, and contribute to a more secure digital environment.
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