---- Resolving host address...
---- 1 address found: 113.30.140.50
---- Connecting to 113.30.140.50 (113.30.140.50) port 21
<--- 220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
<--- 220-You are user number 10 of 200 allowed.
<--- 220-Local time is now 16:11. Server port: 21.
<--- 220-This is a private system - No anonymous login
<--- 220-IPv6 connections are also welcome on this server.
<--- 220 You will be disconnected after 15 minutes of inactivity.
---> USER
<--- 421 Sorry, cleartext sessions are not accepted on this server.
Please reconnect using SSL/TLS security mechanisms.
---> PASS
---- Closing control socket