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==Installasi==
==Installasi==
sudo apt update
<syntaxhighlight lang="bash">
sudo apt update
</syntaxhighlight><syntaxhighlight lang="bash">
sudo apt install fail2ban
</syntaxhighlight><syntaxhighlight lang="bash">
sudo systemctl status fail2ban
</syntaxhighlight>
*'''Output'''
<syntaxhighlight lang="bash">
● fail2ban.service - Fail2Ban Service
    Loaded: loaded (/lib/systemd/system/fail2ban.service; enabled; vendor preset: enabled)
    Active: active (running) since Wed 2020-08-19 06:16:29 UTC; 27s ago
      Docs: man:fail2ban(1)
  Main PID: 1251 (f2b/server)
      Tasks: 5 (limit: 1079)
    Memory: 13.8M
    CGroup: /system.slice/fail2ban.service
            └─1251 /usr/bin/python3 /usr/bin/fail2ban-server -xf start


sudo apt install fail2ban
</syntaxhighlight>
 
sudo systemctl status fail2ban
 
*'''Output'''
● fail2ban.service - Fail2Ban Service
      Loaded: loaded (/lib/systemd/system/fail2ban.service; enabled; vendor preset: enabled)
      Active: active (running) since Wed 2020-08-19 06:16:29 UTC; 27s ago
        Docs: man:fail2ban(1)
    Main PID: 1251 (f2b/server)
      Tasks: 5 (limit: 1079)
      Memory: 13.8M
      CGroup: /system.slice/fail2ban.service
              └─1251 /usr/bin/python3 /usr/bin/fail2ban-server -xf start


==Terkait==
==Terkait==
Line 27: Line 31:
==Source==
==Source==
*[https://linuxize.com/post/install-configure-fail2ban-on-ubuntu-20-04/ linuxize.com]
*[https://linuxize.com/post/install-configure-fail2ban-on-ubuntu-20-04/ linuxize.com]
[[Category:Server]]
[[Category:Server]]
[[Category:Firewall]]
[[Category:Security]]
[[Category:Security]]
[[Category:Linux]]
[[Category:Ubuntu]]
[[Category:Debian]]
[[Category:Software]]

Revision as of 14:46, 31 January 2023

Layanan apa pun yang terpapar ke Internet berisiko terkena serangan malware. Misalnya, jika Anda menjalankan layanan di jaringan yang tersedia untuk umum, penyerang dapat menggunakan upaya paksa untuk masuk ke akun Anda.

Fail2ban adalah alat yang membantu melindungi Linux Anda dari kekerasan dan serangan otomatis lainnya dengan memantau log layanan untuk aktivitas jahat. Ini menggunakan ekspresi reguler untuk memindai file log. Semua entri yang cocok dengan pola dihitung, dan ketika jumlahnya mencapai ambang batas tertentu yang telah ditentukan, Fail2ban melarang IP yang melanggar menggunakan firewall sistem untuk jangka waktu tertentu. Ketika periode larangan berakhir, alamat IP dihapus dari daftar larangan.

Installasi

sudo apt update
sudo apt install fail2ban
sudo systemctl status fail2ban
  • Output
 fail2ban.service - Fail2Ban Service
     Loaded: loaded (/lib/systemd/system/fail2ban.service; enabled; vendor preset: enabled)
     Active: active (running) since Wed 2020-08-19 06:16:29 UTC; 27s ago
       Docs: man:fail2ban(1)
   Main PID: 1251 (f2b/server)
      Tasks: 5 (limit: 1079)
     Memory: 13.8M
     CGroup: /system.slice/fail2ban.service
             └─1251 /usr/bin/python3 /usr/bin/fail2ban-server -xf start

Terkait

Source