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FileZilla Server — Common Ports

Community software entries: links are references, not individual verification.

Role Unconfirmed (1)

20
tcpSystem

FTP data transfer port for File Transfer Protocol data connections

Free FTP server software

Scope

Port associations on this page are community-database references (common usage), not a live measurement of any machine; confirm with the official documentation before deployment.

Frequently asked questions

What port does FileZilla Server use?

FileZilla Server commonly uses these ports: 20. These are community database references — actual configuration may differ.

How do I check if FileZilla Server is running?

Run sudo ss -tlpn 'sport = :20' on the server to check for listening processes on these ports. Also use systemctl status <service> to check the service state. Without root you may not see other users' processes. A listening port alone does not prove the software identity — verify with the config file and process name.

What category does FileZilla Server belong to?

FileZilla Server belongs to the System category. This page lists the software's port associations and their roles.