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XCCDF
Guide to the Secure Configuration of Ubuntu 16.04
Services
SSH Server
Configure OpenSSH Server if Necessary
Set SSH authentication attempt limit
Set SSH authentication attempt limit
An XCCDF Rule
Details
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Set SSH authentication attempt limit
Medium Severity
The
MaxAuthTries
parameter specifies the maximum number of authentication attempts permitted per connection. Once the number of failures reaches half this value, additional failures are logged. to set MaxAUthTries edit
/etc/ssh/sshd_config
as follows:
MaxAuthTries