How to unblock your ip on server (linux)?

Question

linux

Several times entered erroneous data for ftp. As a result, it remained blocked, including the site does not open.
How can I reset the lock?
Is there a proxy for ftp?

Answer 1

To unblock an IP, log in from a different IP and see the output of ipltables -L -n | grep "your ip". If the rule is on the list, remove it with iptables -D.
There is a proxy for FTP, and it's called: ftp-proxy.