I've changed the port in /etc/pure-ftpd/conf/Bind ---> *,21444
Then , i open the port in firewall and change also /usr/local/ispconfig/server/mods-available/monitor_core_module.inc.php
and restart service
But impossible to connect
Status: Connection established, waiting for welcome message...
Response: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
Response: 220-You are user number 3 of 50 allowed.
Response: 220-Local time is now 15:57. Server port: 21444.
Response: 220-This is a private system - No anonymous login
Response: 220-IPv6 connections are also welcome on this server.
Response: 220 You will be disconnected after 15 minutes of inactivity.
Command: USER xxxxx
Response: 331 User xxxxx OK. Password required
Command: PASS ************
Response: 230-User xxxxx has group access to: client0 sshusers
Response: 230 OK. Current restricted directory is /
Command: OPTS UTF8 ON
Response: 200 OK, UTF-8 enabled
Status: Retrieving directory listing...
Response: 257 "/" is your current location
Command: TYPE I
Response: 200 TYPE is now 8-bit binary
Response: 227 Entering Passive Mode (46,105,108,184,189,127)
Error: Connection timed out
Error: Failed to retrieve directory listing
An idea ?