Zitat
4.12 Langsame Logins
This is probably caused by a firewall or DNS timeout. By default ProFTPD will try to do both DNS and ident lookups against the incoming connection. If these are blocked or excessively delayed a slower than normal login will result. To turn off DNS and ident use:
UseReverseDNS off
IdentLookups off
IdentLookups and tcpwrappers***