- Plesk Onyx for Linux
Unable to connect to FTP:
Login timeout (300 seconds): closing control connection. Login failed.
The issue can be caused by "poisoned"
's cache file. For example, a malicious client might connect, send a
command, and then not disconnect for long time. After a few such clients have connected,
will add a delay for all clients, such that some legitimate clients may time out. In effect, this may look like a sort of denial of service (DoS).
Login to Plesk server using SSH.
proftpd.delayfile and remove it, usually it located in
/var/proftpd.delayor you can disable
mod_delayby adding the following to your
CONFIG_TEXT: <IfModule mod_delay.c>