Install fail2ban on Fedora Workstation.
[tuyen@g73jh ~]$ sudo dnf -y install fail2ban [sudo] password for tuyen: Last metadata expiration check: 0:01:15 ago on Mon 07 Oct 2019 11:33:47 AM +07. Dependencies resolved. ================================================================================ Package Architecture Version Repository Size ================================================================================ Installing: fail2ban noarch 0.10.4-3.fc30 fedora 8.9 k Installing dependencies: esmtp x86_64 1.2-13.fc30 fedora 52 k fail2ban-firewalld noarch 0.10.4-3.fc30 fedora 9.0 k fail2ban-sendmail noarch 0.10.4-3.fc30 fedora 12 k fail2ban-server noarch 0.10.4-3.fc30 fedora 398 k libesmtp x86_64 1.0.6-17.fc30 fedora 60 k liblockfile x86_64 1.14-3.fc30 fedora 26 k Transaction Summary ================================================================================ Install 7 Packages Total download size: 566 k Installed size: 1.6 M Downloading Packages: (1/7): fail2ban-0.10.4-3.fc30.noarch.rpm 36 kB/s | 8.9 kB 00:00 (2/7): fail2ban-firewalld-0.10.4-3.fc30.noarch. 36 kB/s | 9.0 kB 00:00 (3/7): fail2ban-sendmail-0.10.4-3.fc30.noarch.r 140 kB/s | 12 kB 00:00 (4/7): esmtp-1.2-13.fc30.x86_64.rpm 139 kB/s | 52 kB 00:00 (5/7): liblockfile-1.14-3.fc30.x86_64.rpm 264 kB/s | 26 kB 00:00 (6/7): libesmtp-1.0.6-17.fc30.x86_64.rpm 309 kB/s | 60 kB 00:00 (7/7): fail2ban-server-0.10.4-3.fc30.noarch.rpm 972 kB/s | 398 kB 00:00 -------------------------------------------------------------------------------- Total 366 kB/s | 566 kB 00:01 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Installing : fail2ban-server-0.10.4-3.fc30.noarch 1/7 Running scriptlet: fail2ban-server-0.10.4-3.fc30.noarch 1/7 Installing : fail2ban-firewalld-0.10.4-3.fc30.noarch 2/7 Installing : liblockfile-1.14-3.fc30.x86_64 3/7 Installing : libesmtp-1.0.6-17.fc30.x86_64 4/7 Installing : esmtp-1.2-13.fc30.x86_64 5/7 Running scriptlet: esmtp-1.2-13.fc30.x86_64 5/7 Installing : fail2ban-sendmail-0.10.4-3.fc30.noarch 6/7 Installing : fail2ban-0.10.4-3.fc30.noarch 7/7 Running scriptlet: fail2ban-0.10.4-3.fc30.noarch 7/7 Verifying : esmtp-1.2-13.fc30.x86_64 1/7 Verifying : fail2ban-0.10.4-3.fc30.noarch 2/7 Verifying : fail2ban-firewalld-0.10.4-3.fc30.noarch 3/7 Verifying : fail2ban-sendmail-0.10.4-3.fc30.noarch 4/7 Verifying : fail2ban-server-0.10.4-3.fc30.noarch 5/7 Verifying : libesmtp-1.0.6-17.fc30.x86_64 6/7 Verifying : liblockfile-1.14-3.fc30.x86_64 7/7 Installed: fail2ban-0.10.4-3.fc30.noarch esmtp-1.2-13.fc30.x86_64 fail2ban-firewalld-0.10.4-3.fc30.noarch fail2ban-sendmail-0.10.4-3.fc30.noarch fail2ban-server-0.10.4-3.fc30.noarch libesmtp-1.0.6-17.fc30.x86_64 liblockfile-1.14-3.fc30.x86_64 Complete! [tuyen@g73jh ~]$
Start fail2ban service, check status, and enable started automatically.
[tuyen@g73jh ~]$ sudo systemctl start fail2ban
[tuyen@g73jh ~]$ sudo systemctl status fail2ban
● fail2ban.service - Fail2Ban Service
Loaded: loaded (/usr/lib/systemd/system/fail2ban.service; disabled; vendor p>
Active: active (running) since Mon 2019-10-07 11:37:57 +07; 2s ago
Docs: man:fail2ban(1)
Process: 5174 ExecStartPre=/bin/mkdir -p /var/run/fail2ban (code=exited, stat>
Main PID: 5175 (fail2ban-server)
Tasks: 1 (limit: 4915)
Memory: 10.9M
CGroup: /system.slice/fail2ban.service
└─5175 /usr/bin/python3 -s /usr/bin/fail2ban-server -xf start
Oct 07 11:37:57 g73jh systemd[1]: Starting Fail2Ban Service...
Oct 07 11:37:57 g73jh systemd[1]: Started Fail2Ban Service.
Oct 07 11:37:57 g73jh fail2ban-server[5175]: Server ready
[tuyen@g73jh ~]$ sudo systemctl enable fail2ban
Created symlink /etc/systemd/system/multi-user.target.wants/fail2ban.service → /usr/lib/systemd/system/fail2ban.service.
[tuyen@g73jh ~]$
check fail2ban's log file: /var/log/fail2ban.log
[tuyen@g73jh ~]$ sudo tail /var/log/fail2ban.log [sudo] password for tuyen: 2019-10-07 11:37:57,359 fail2ban.server [5175]: INFO -------------------------------------------------- 2019-10-07 11:37:57,359 fail2ban.server [5175]: INFO Starting Fail2ban v0.10.4 2019-10-07 11:37:57,362 fail2ban.database [5175]: INFO Connected to fail2ban persistent database '/var/lib/fail2ban/fail2ban.sqlite3' 2019-10-07 11:37:57,364 fail2ban.database [5175]: WARNING New database created. Version '2' [tuyen@g73jh ~]$