Linux Check SSH Login Attempts To Server

Linux Check SSH Login Attempts To Server

For CentOS or RHEL distros, the login attempts are stored at /var/log/secure For Ubuntu, the login attempts are stored at /var/log/auth.log Sample Commands (based on CentOS) To read the file, simply run the command cat /var/log/secure If your ssh allows for normal password authentication, you can check for failed login attempts by running the command cat /var/log/secure | grep "Failed password" If your ssh allows for key-based login, you can check for failed login attempts by running the command cat /var/log/secure | grep -i Invalid