How to Secure Your VPS with Fail2Ban

Introduction

rnFail2Ban is a powerful tool that protects your VPS from brute-force attacks by monitoring log files and banning suspicious IPs automatically. This guide shows you how to install and configure Fail2Ban for better server security.rn

Step-by-step Guide

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2. Update your system and install Fail2Banrn
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   • sudo apt updaternsudo apt install fail2banrn
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3. Copy the default configuration filern
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   • sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.localrn
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4. Edit the configuration to protect SSHrn
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   • sudo nano /etc/fail2ban/jail.localrn
   • Look for the [sshd] section and make sure it looks like this:rn
   • [sshd]rnenabled = truernport = sshrnfilter = sshdrnlogpath = /var/log/auth.logrnmaxretry = 5rnbantime = 3600rn
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5. Restart and enable Fail2Banrn
6.  Check Fail2Ban statusrn
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   • sudo fail2ban-client statusrnsudo fail2ban-client status sshdrn
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7. RecommendationsrnAdjust maxretry and bantime to fit your security needs.rnRegularly check the Fail2Ban logs for blocked IPs.rnYou can protect other services (like Apache, Nginx, etc.) by enabling their respective jails in the config.rn

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