220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 2 of 50 allowed.
220-Local time is now 08:23. Server port: 21.
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
USER acer.bizhat.com
331 User acer.bizhat.com OK. Password required
Command: PASS **********
Error: Disconnected from server
Error: Unable to connect!

Whats going on?