Question 4
With fail2ban, what is a ‘jail’?
A netfilter rules chain blocking offending IP addresses for a particular service
A group of services on the server which should be monitored for similar attack patterns in the log files
A filter definition and a set of one or more actions to take when the filter is matched
The chroot environment in which fail2ban runs
Correct answer: C
Explanation:
Reference: https://docs.plesk.com/en-US/onyx/administrator-guide/server-administration/protection-against-brute-force-attacks-fail2ban/fail2ban-jails-management.73382/
Reference: https://docs.plesk.com/en-US/onyx/administrator-guide/server-administration/protection-against-brute-force-attacks-fail2ban/fail2ban-jails-management.73382/