User submission does not work about linux-malware-detect HOT 2 CLOSED

+1
maldet -c social.php

Linux Malware Detect v1.4.2
            (C) 2002-2013, R-fx Networks 
            (C) 2013, Ryan MacDonald 
inotifywait (C) 2007, Rohan McGovern 
This program may be freely redistributed under the terms of the GNU GPL v2
maldet(31111): {checkout} uploading /var/www/web-primary/data/www/1.web-primary.com/_dev/cms/wordpress/plugins/language/wpml-unzipped/wpml-cms-nav/images/social.php to ftp.rfxn.com
Connected to rfxn.com.
220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 01:09. Server port: 21.
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
331 User [email protected] OK. Password required
230 OK. Current restricted directory is /
Remote system type is UNIX.
Using binary mode to transfer files.
Interactive mode on.
250 OK. Current directory is /incoming
Local directory now /var/www/web-primary/data/www/1.web-primary.com/_dev/cms/wordpress/plugins/language/wpml-unzipped/wpml-cms-nav/images
200 TYPE is now 8-bit binary
local: /var/www/web-primary/data/www/1.web-primary.com/_dev/cms/wordpress/plugins/language/wpml-unzipped/wpml-cms-nav/images/social.php remote: 12016.31111.bin
200 PORT command successful
425 Could not open data connection to port 58563: Connection timed out
200 TYPE is now ASCII
local: /var/www/web-primary/data/www/1.web-primary.com/_dev/cms/wordpress/plugins/language/wpml-unzipped/wpml-cms-nav/images/social.php remote: 4981.31111.ascii
200 PORT command successful
425 Could not open data connection to port 41425: Connection timed out
221-Goodbye. You uploaded 0 and downloaded 0 kbytes.
221 Logout.

from linux-malware-detect.

The FTP server does sometimes become unavailable if it is hit during signature rollouts as the bandwidth/connections to the server reach in excess of 200mbit/s and 85k installations hammering the server at once. It may also be the result of a firewall issue on the client (your) server side.

from linux-malware-detect.