Investigate if Nautilus / Tor Browser are vulnerable to FTP IP address leaks

See #10364 (closed) for some background.

wget had a bug that could expose the user’s IP address when using FTP in some situations. This ticket is to investigate if Nautilus and/or Tor Browser have that vulnerability.

Related issues

Copied from #10364 (closed)

Original created by @hybridwipe on 10365 (Redmine)

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information