Configure firewall rules at Site B

From the Firewall menu, choose Rules. Open the WAN tab, unless using a different interface for the VPN connection. Click on the + button to add a new rule.

Enter these values:

Action	Pass
Disabled	not checked
Interface	WAN
TCP/IP Version	IPv4
Protocol	UDP
Source	any
Destination	Type: WAN address
Destination port range	from: (other) 9876 to: (other)
Log	not checked
Description	Site-to-site VPN

Click Save and on the next page click Apply changes.

Click on the OpenVPN tab. We’ll now add a rule to allow traffic through the OpenVPN connection. Click on the + button add a rule.

Enter these values:

Action	Pass
Disabled	not checked
Interface	OpenVPN
TCP/IP Version	IPv4
Protocol	any
Source	any
Destination	any
Log	not checked
Description	Allow everything through OpenVPN

Click Save and on the next page Apply Changes.