Security Guide
Learn how to secure your VPS and protect your applications from common security threats.
Initial Security Setup
Essential Steps
- 1. Update system packages
- 2. Configure SSH access
- 3. Set up firewall rules
- 4. Create non-root user
- 5. Disable root login
- 6. Enable automatic security updates
SSH Configuration
# /etc/ssh/sshd_config
PermitRootLogin no
PasswordAuthentication no
PubkeyAuthentication yes
Protocol 2
Firewall Configuration
Basic UFW Rules
# Enable UFW
sudo ufw enable
# Allow SSH
sudo ufw allow ssh
# Allow HTTP/HTTPS
sudo ufw allow http
sudo ufw allow https
Advanced Security
System Hardening
- • Disable unused services
- • Implement fail2ban
- • Regular security audits
- • Monitor system logs
Application Security
- • Use HTTPS everywhere
- • Keep dependencies updated
- • Implement WAF
- • Regular backups
Monitoring & Maintenance
Security Monitoring
Tools
- • Fail2ban
- • RKHunter
- • ClamAV
- • Logwatch
Best Practices
- • Regular log review
- • Security updates
- • Vulnerability scanning
- • Incident response plan
Need Help?
Our security team is available to help with security configuration and best practices.