Jun 26, 2018 · Select the Firewall rule and the OpenVPN rule as per the example below and click ‘ Next ‘ Finally, the configuration is complete. Click ‘ Finish ‘. You should now have a configured OpenVPN server, a newly created WAN Firewall Rule and an OpenVPN tab under Firewall rules with the OpenVPN rule configured.
Pi-hole and OpenVPN Server Pi-hole and OpenVPN Server Overview Installation Setup OpenVPN Server Firewall Configuration Firewall Configuration Table of contents (optional) Secure the server with firewall rules (iptables) Option 1: Allow everything from within your VPN To enable VPN tunnels between individual host computers or entire networks that have a firewall between them, you must open the following ports: PPTP. To allow PPTP tunnel maintenance traffic, open TCP 1723. To allow PPTP tunneled data to pass through router, open Protocol ID 47. L2TP over IPSec. To allow Internet Key Exchange (IKE), open UDP 500. Open “Control Panel\All Control Panel Items\Windows Firewall”. 2. In the “Inbound Rules”, find the entries related to the VPN connection. You will see that each policy can be for one or all of the profiles. Use OpenVPN allow as the name of this rule: 3. Go to Windows Firewall Properties and set blocking outbound connections by default for all profiles, except Public. 4. If you're routing traffic inbound and performing NAT at or behind the VPN server, then you must open your firewall rules to allow UDP ports 500 and 4500 inbound to the external IP address applied to the public interface on the VPN server.
Windows Firewall issue with OpenVPN - OpenVPN Support Forum
Connecting an OpenVPN Client through a Firewall and HTTP Proxy OpenVPN is a VPN Server & Client, which can connect over either TCP or UDP ports. For this reason, it’s an ideal candidate for connecting out of a restrictive corporate network. This article shows you how to setup your OpenVPN Client to connect from behind a restrictive Firewall and HTTP Proxy.
Jun 20, 2017
wiki.ipfire.org - Creating Firewall Rules (reference)