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Exim/FTP Brute Force Blacklist

The Exim/FTP Bruteforce Blacklist is a HostGator-maintained list of potentially malicious connection attempts to email and FTP accounts. We track all failed email and FTP connection attempts on our servers. When an IP address has exceeded 65 failed attempts to log in over a 1 hour period across any of our servers, the IP address is blocked for a minimum of 24 hours.

When an IP is blocked, exim will return the following message:

123.456.7.89 is in an RBL on bl.websitewelcome.com,

see Blocked - Too many failed logins

FTP will return the following message for a blocked IP:

Blocked ip: 123.456.7.89