Sshguard

Links

• sshguard homepage
• also mentions how to add ufw

FAQ

View sshguard log

journalctl -u sshguard

Blacklisting

Documentation fails to to mention and it's not in sshguard.conf on Ubuntu, so:

BLACKLIST_FILE=100:/var/lib/sshguard/blacklist.db

where 100 is treshold