- Go to your Control Panel's Virtual Servers menu.
- Click the label of the VS for which you want to configure a firewall rule.
- Click the Networking tab, then click Firewall.
- On the page that appears, set the following:
- Choose the network interface.
- Specify if the rule defines requests that should be accepted or dropped.
- Set the IP address for which this rule is active.
- Leave the empty field to apply this rule to all IPs
- Enter hyphen-separated IPs to apply the rule to an IP range (e.g. 192.168.1.1-192.168.1.10)
- Enter the IPs with slash to apply the rule to CIDR (e.g. 192.168.1.1/24)
- Set the port for which this rule will is effective.
- Leave the empty field to apply the rule to all ports
- Enter colon-separated ports to apply the rule to a port range (e.g. 1024:1028)
- Enter comma-separated ports to apply the rule to the list of ports (e.g. 80,443,21)
- Choose the protocol (TCP, UDP or ICMP).
- Save the rule by clicking the Add Rule button. The rule will be saved in the UI, but the transaction won't be started until you click the Apply Firewall Rules button.
- To start the transaction which runs firewall rules for a VS, click Apply firewall rules button.
- Use Up and Down arrow buttons in the left column to change firewall rule position.
- To edit or delete a firewall rule click the appropriate icon in Actions columnin the last column.
The Int1 ACCEPT 126.96.36.199 22 TCP firewall rule means that the Int1 network interface will accept all requests and packets addressed from 188.8.131.52 using the TCP protocol on port 22.
The Int2 DROP 184.108.40.206 22 UDP firewall rule means that the Int2 network interface will reject all requests and packets from 220.127.116.11 using the UDP protocol on port 22.