Miscellaneous Settings.

Anti-hammer Enable
Activate, deactivate anti−hammering.
Send hammering message to ftp client
If a client tries to hammer this server, the server will send a message to him/her.
Ban IP xx seconds if xx failed login tries in xx seconds
The counter will monitor the login tries and count them, if the number of failed login tries during the period is exceeded, the user IP will be banned for a period of time as defined.
Enable FXP
Activate, deactivate file transfer from server to server.
Auto-forwarding listener ports to router
When enabled, the server automatically configures listener ports forward in your UPnP-enabled network device (usually a router) so that the server is accessible from outside your network. This option only forwards your listener ports. There is an option for passive ports forwarding in "FTP Pasv Mode" page.
Transfer buffer size
Transfer buffer size used to transfer data (default is 16 KB). You can increase this value if you want the server to read/write less often from/to the hard drive when clients transfer.
SSL Certificate
Select an SSL Certificate for this domain.You can manage your SSL Certificate in "Server->Settings->SSL Certificate Manager" page. SSL Certificates are used for encrypting data exchanges between the client and the server. Without certificates you can not use SSL connections(FTPS and HTTPS)
SSH Key
Select an SSH Key for this domain.You can manage your SSH Key in "Server->Settings->SSH Key Manager" page. SSH key is used for SSH FTP connections
SMTP Configuration
Select an SMTP Server for this domain.You can manage your SMTP Server in "Server->Settings->SMTP Manager" page. SMTP Server is used for sending emails.