CloudVPS Firewall configuration

Estimated reading time: 1 min

Introduction

Snel.com offers a Web-based firewall solution to its Cloud VPS customers which supports IPv4 and IPv6. By enabling a set of rules you can easily protect your server(s). In this article, we are only handling ports that are commonly used for a firewall configuration.

Prerequisites

Step 1 – Log in to your client area

https://my.snel.com/clientarea/

en-clientarea-login

Step 2 – Cloud VPS

Click on the Cloud VPS server that you want to configure.

en-clientarea-dash

Step 3 – Enable firewall

By default the Cloud VPS firewall is disabled. Enable this by navigating to Network -> Firewall -> Options

en-firewall

Change the following value Enable Firewall from No to Yes. Click Save Changes to enable your Cloud VPS firewall.

Step 4 – Samples Firewall Rules

Go back to the Rulestab in order to create firewall rules.

en-firewall-rules

Step 4.1 – Block all traffic except for web server (port 80 & port 443)
Interface Type Action Source/Port Destination/Port Protocol
net0 IN ACCEPT empty:empty empty:443 TCP 
net0 IN ACCEPT empty:empty empty:80 TCP 
net0 IN DROP empty:empty empty:empty - 

en-firewall-rules-webserver

Step 4.2 – Block all SSH (port 22) traffic except for a specific IP(s)
Interface Type Action Source/Port Destination/Port Protocol 
net0 IN ACCEPT 192.168.1.100:empty empty:22 TCP 
net0 IN DROP empty:empty empty:22 TCP

en-firewall-rules-ssh

Step 4.3 – Block all RDP (port 3389) traffic except for a specific IP(s)
Interface Type Action Source/Port Destination/Port Protocol 
net0 IN ACCEPT 192.168.1.100:empty empty:3389 TCP 
net0 IN DROP empty:empty empty:3389 TCP

en-firewall-rules-rdp

Conclusion

Congratulations, you have now configured the firewall for your Cloud VPS server. If you need further assistance with configuring your firewall for your Cloud VPS do not hesitate to contact our support team.

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