Software⏱️ 2 min read📅 2026-05-31
How to Fix: How do I keep track of failed SSH log-in attempts?
Monitor SSH log-in attempts to detect brute-force attacks on Ubuntu 12.04 server.
Quick Answer: Use the 'last' command to view recent login attempts and 'fail2ban' to block IP addresses after a specified number of failed attempts.
📋 Table of Contents
To keep track of failed SSH log-in attempts, you can use the 'Last Login' and 'Failed login attempts' options in the Ubuntu settings.
🛑 Root Causes of the Error
- Insufficient security measures, incorrect password policies, or weak passwords can lead to brute-force attacks.
🚀 How to Resolve This Issue
Method 1: Enable SSH Logins and Limit Failed Attempts
- Step 1: Open the Ubuntu terminal as root user by running `sudo -i` or using your preferred method.
Method 2: Configure SSH to Log Failed Attempts
- Step 1: Edit the `/etc/ssh/sshd_config` file using your preferred method.
🎯 Final Words
By implementing these methods, you can effectively track and prevent brute-force SSH log-in attempts on your Ubuntu 12.04 server.
❓ Frequently Asked Questions
Insufficient security measures, incorrect password policies, or weak passwords can lead to brute-force attacks.
Step 1: Open the Ubuntu terminal as root user by running `sudo -i` or using your preferred method.
Step 1: Edit the `/etc/ssh/sshd_config` file using your preferred method.
By implementing these methods, you can effectively track and prevent brute-force SSH log-in attempts on your Ubuntu 12.04 server.
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