brute force (password guessing)
An attack that tries logins with one password after another until one fits. It leaves hundreds of "Failed password" lines in the sshd log. Defences are key login, faillock and an address ban by fail2ban.
An attack that tries logins with one password after another until one fits. It leaves hundreds of "Failed password" lines in the sshd log. Defences are key login, faillock and an address ban by fail2ban.