Скачать или смотреть Configure a firewall for a cloud-based server

Firewall rules configuration is essential for improving network security and preventing unauthorized access to your cloud-based server. In this video, we’ll walk you through setting up and managing a firewall from start to finish, covering everything from inbound vs outbound traffic rules to smart port management techniques. Whether you're using Linux or Windows, you'll learn how to define which services should be accessible (like SSH, HTTP, and HTTPS), how to block unnecessary traffic, and how to make your settings persistent. We’ll also show you how to test open ports, use tools like iptables and nmap, and back up your configurations for future safety. With this guide, configuring a firewall becomes clear, secure, and beginner-friendly. Perfect for developers, sysadmins, and anyone looking to lock down their VPS or cloud infrastructure.

🕐 Timeline:
0:00 - 0:28 Introduction
0:28 - 0:51 Firewall rules configuration basics (ports & services)
0:51 - 1:14 Managing inbound vs outbound traffic
1:14 - 2:22 Linux: iptables setup and port management
2:22 - 2:48 Making Linux firewall rules persistent
2:48 - 3:17 Windows Firewall settings and inbound rules
3:17 - 4:01 Testing ports, backups, and final security tips
4:01 - 4:36 Conclusion

Key Topics Covered:
Introduction to firewall setup for cloud-based servers
Defining essential services and mapping needed ports
Using cloud provider dashboards for basic firewall configuration
Configuring firewalls on Linux using iptables
Firewall setup on Windows via GUI
Testing and validating firewall rules
Backing up and restoring firewall configurations

Important Notes:
Only open necessary ports (e.g. 22, 80, 443) — block everything else to minimize attack surface
Use IP whitelisting where possible for added security on open ports
On Linux, always save iptables rules to make them persistent after reboot
On Windows, use “Windows Firewall with Advanced Security” for precise rule control
Test your firewall setup with tools like curl, telnet, or nmap to verify what’s open
Back up your firewall rules before major changes — this helps you quickly recover from misconfigurations
Regularly audit your rules — unused or outdated entries can create vulnerabilities

Visit our website: https://contabo.com
Support Center: https://contabo.com/support

#FirewallConfiguration #NetworkSecurity #ServerSecurity #Contabo #LinuxFirewall #WindowsFirewall #PortManagement #VPSHosting #CyberSecurity #CloudSecurity #FirewallSetup #SecureYourServer