Resolution
You can configure different timeouts in the main ProFTPd configuration file. When logged into the shell as a root open $FTPD_CONF/proftpd.conf file and sets times what you need in the server config or <Global> area, for example:TimeoutNoTransfer 900
TimeoutStalled 600
TimeoutIdle 1200
Detailed description for these directives and many other can be found at http://proftpd.org/docs/directives/linked/by-name.html