With these configurations, my VPN program can create a connection, and obtains a new IP address. However, all other connections are still blocked. Now the problem, I created one more outbound rule to allow everything for the Public profile. Windows firewall tells me that both the Private and Public profile are active (when VPN is connected).
We had to set the NAT to allow pass-through of the fixed IP, translating it to a single external IP address, keeping the ports the same, this allowed the VPN client to connect to the remote server. The draw-back of this is that you need an external IP address for each VPN connection through the Firewall / NAT. MikroTik: L2TP/IPsec VPN Firewall Rules - jcutrer.com Dec 17, 2017 How to Allow a VPN through the Webroot Firewall Nov 22, 2017 What’s VPN Passthrough? | TP-Link SOHO routers allow several computers to share the same internet connection by implementing a feature called NAPT. However, NAPT also prevents VPN traffic. That’s why we need a feature called VPN Passthrough. VPN Passthrough allows the VPN traffic to pass through the Router. Thereby we can establish VPN connections to remote network.
Configure Windows Firewall - SQL Server | Microsoft Docs
Company firewall should be configured properly to allow ISAKMP package, critical messages for VPN IPSec set up, pass through. Below is an example of PIX Firewall configuration. An entry (highlighted in red) is created on access-list that permits isakmp traffic, which uses UDP port 500.
How to Enable VPN Passthrough - IPsec Firewall Port - Tom
What’s VPN Passthrough? | TP-Link SOHO routers allow several computers to share the same internet connection by implementing a feature called NAPT. However, NAPT also prevents VPN traffic. That’s why we need a feature called VPN Passthrough. VPN Passthrough allows the VPN traffic to pass through the Router. Thereby we can establish VPN connections to remote network.