I have one more question In the environment I am working on, All servers are locked with individual Windows firewall rules applied through group policy. By default, all incoming and outgoing ports are blocked with only exceptions configured through GPO. Our environment is secure through SSL VPN and WAF. Client .

After you create a VPN tunnel and add it to a zone, you can set the firewall rules applied to VPN traffic.If you add a VPN tunnel to an existing zone (the LAN zone for example), you can configure a new LAN to LAN firewall rule or use intra-zone traffic blocking to allow or block VPN traffic transmitting between the VPN tunnel and other interfaces in the LAN zone. VPN — IPsec — Configuring a Site-to-Site IPsec VPN Rules are automatically added to the WAN to allow the tunnel to connect, but if the option to disable automatic VPN rules is checked, then manual rules may be required. In that case, check the WAN rules to ensure that the traffic from the remote peer is allowed. IPsec uses UDP port 500 and 4500, and protocol ESP (or AH if set that way). Anyconnect client firewall or group pol - Cisco Community

Fortinet Fortigate Firewall Policy Rules Configuration

VPN — OpenVPN — Configuring an OpenVPN Remote Access Firewall rules to strictly govern the traffic on this VPN may be added under Firewall > Rules on the OpenVPN tab. Next Configuring a Site-to-Site PKI (SSL) OpenVPN Instance Setup a Sophos UTM SSL VPN In 7 Simple Steps!

VPN — IPsec — Configuring a Site-to-Site IPsec VPN

Manually Configure the Firebox for Mobile VPN with SSL From the two Type drop-down lists, select SSL VPN for the first list and Group for the second list. Select SSLVPN-Users. Click Select. The name of the authentication method appears in parentheses after SSLVPN-Users. To close the Add Address dialog box, click OK. In the To section, select Any-External. Click Remove. In the To section, click Add. Penetrates Firewall by SSL-VPN - SoftEther VPN Project SoftEther VPN can be used anywhere. You might have an experience that you cannot use IPsec-based legacy VPN protocols from a hotel room or Wi-Fi. The reason is simple. The firewalls of public networks often filters IPsec VPN protocols. Unlike legacy VPNs, SoftEther VPN is based on SSL-VPN. It is technically HTTPS (HTTP over SSL).