External firewall settings

Configuring an external firewall can provide an additional layer of security for your virtual machines and environment

Go to the VPS management menu

1. Log in to your personal account using your credentials
2. Go to the "Services ⇒ My Services" section
3. Select the required VPS and go to its management page by clicking on the VPS tariff or by clicking on the three dots and selecting "View Details"

Creating firewall rules

1. Select the "Firewall" tab in the left sidebar
2. Click the "+ Add" button (+ Add) to create a new firewall rule
3. Specify the following parameters in the rule settings:
   • Enable: Check the box to enable this rule
   • Type: Choose for which type of traffic this rule will be used, in - for incoming traffic, out - for outgoing traffic. Traffic direction is considered relative to the VPS
   • Action: Specify what to do with traffic when it falls under this rule
   • Interface: Select the network interface for your VPS on which the rule will be applied. Interfaces are named as net plus a number starting from zero, regardless of how this interface is named inside the VPS. If the VPS has one interface, the name will be net0
   • Source: Specify the IP address or range of IP addresses from which access is allowed or denied or leave blank if for all
   • Destination: Specify the IP address or range of IP addresses to which the rule will apply or leave blank if for all
   • Macro: In order not to specify the protocol and ports, you can choose a pre-prepared macro
   • Protocol: Select the required network protocol, such as TCP or UDP.
   • Source Port: Specify the desired ports or port range to deny or allow traffic from which traffic will be sent
   • Destination Port: Specify the desired ports or port range to deny or allow traffic on which traffic will be expected
   • Comment: A short comment
4. Click the "Add" button to save the new firewall rule
5. Repeat steps 2-4 to add more rules as needed

Example of a rule that allows inbound traffic for a web server

Enabling the firewall

1. Select the "Firewall Options" tab in the left sidebar
2. Click on the pencil to go to edit
3. In the firewall settings, specify the following parameters:
   • Enable Firewall: Check to send all traffic through the firewall or uncheck to disable the firewall
   • Input Policy: Define the default policy for incoming traffic
   • Output Policy: Define the default policy for output traffic
4. Click the "Save Changes" button to save your firewall settings

An example of settings when the firewall is enabled