Login attack on cyrus imap

[Jim John]

Hi all. Our cyrus was hit by a "denial of service"
type attack. Basically, they kept trying to login as
different users per second. They didn't crash the
server, but they did crash our LDAP which is what we
used for authentication. We would like to know if
there is a way to prevent these types of attacks? We
use PLAIN LOGIN and Cyrus SASL for authentication.


 
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