Instalarea ?i configurarea Fail2ban pe serverul t?u VPS care ruleaz? Debian 12 sau Ubuntu 24.04 este esen?ial? pentru a proteja serverul de atacuri brute. Urmeaz? pa?ii de mai jos pentru a-l configura.

Pasul 1: Actualizeaz?-?i sistemul

        sudo apt update && sudo apt upgrade -y
    

Pasul 2: Instaleaz? Fail2ban

Pentru a instala Fail2ban, execut? urm?toarea comand?:

        sudo apt install fail2ban -y
    

Pasul 3: Configureaz? Fail2ban

Dup? instalare, trebuie s? configurezi Fail2ban. Fi?ierul principal de configurare se afl? la:

        /etc/fail2ban/jail.conf
    

Se recomand? s? creezi o copie a acestui fi?ier pentru a-?i personaliza set?rile:

        sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
    

Editeaz? fi?ierul de configurare local:

        sudo nano /etc/fail2ban/jail.local
    

În acest fi?ier, po?i configura set?rile pentru diverse servicii. De exemplu, pentru a activa protec?ia SSH, asigur?-te c? urm?toarele linii sunt incluse:

        [sshd]
        enabled = true
        port    = ssh
        filter  = sshd
        logpath = /var/log/auth.log
        maxretry = 5
        bantime = 3600
    

Pasul 4: Porne?te ?i Activeaz? Fail2ban

Porne?te serviciul Fail2ban ?i activeaz?-l pentru a porni la boot:

        sudo systemctl start fail2ban
        sudo systemctl enable fail2ban
    

Pasul 5: Verific? Statusul Fail2ban

Pentru a verifica statusul Fail2ban ?i a vedea dac? protejeaz? serviciile tale, folose?te:

        sudo fail2ban-client status
    

Pasul 6: Monitorizeaz? Logurile Fail2ban

Poti monitoriza logurile Fail2ban pentru orice activitate:

        sudo tail -f /var/log/fail2ban.log
    

Concluzie

Urmând ace?ti pa?i, ai instalat ?i configurat cu succes Fail2ban pe serverul t?u VPS care ruleaz? Debian 12 sau Ubuntu 24.04. Acest lucru va ajuta la protejarea serverului t?u de acces neautorizat ?i va îmbun?t??i securitatea!

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