![]() ![]() One-to-many NAT and port-based address translation are not supported. NAT-T is required so that IPsec traffic can reach destinations without external (public) IP addresses behind the NAT. This means that the host is bypassing (tunneling over) one of the security boundaries set up by the local network administrator. Cloud VPN only supports one-to-one NAT by using UDP encapsulation for NAT-Traversal (NAT-T). The internal network is still locked down from receiving communications from external clients on this port. Edge traversal occurs whenever you have a tunnel interface that goes to a less secure network, which is tunneled over another interface that is attached to a more secure network. If both devices are NAT-T capable, NAT Traversal is auto detected and auto negotiated. ![]() This change is not a major network security consideration. Configuring NAT Traversal NAT Traversal is a feature that is auto detected and enabled by default. This arrangement allows only the external clients to communicate with the ePO Server or Agent Handlers in the DMZ. Under Protect yourself on the web, go to the Secure VPN option. On the left menu, click the My Protection tab. IMPORTANT: You can open port 443/80 on the firewall to communicate incoming connections to ePO or Agent Handlers with only the external network. If you don't see the Secure VPN tile Follow the steps below if you don't see the Secure VPN tile under the Home tab: Open your McAfee software. 443/80 (For the external clients only, incoming connections to ePO/Agent Handlers) – agent-to-server port (listed as ServerHttpPort in the EPOServerInfo in ePO) Navigate to Settings > Privacy & security > Windows Security > Firewall & network protection > Public network, and click the Microsoft Defender. ![]() These ports allow agent communication to the ePO server in the DMZ for the internal and external clients: netmask 255.255.255.255 isakmp identity address isakmp nat-traversal 10. Make sure that the following ports are opened on the firewall. We renewed our Mcafee Saas Protection and I am trying to set up their required. To manage only the internal network clients, install an ePO Server or Agent Handler in the internal network. Weve configured Remote Access IPSEC VPN on ASA (9.1).To manage the external clients, install an ePO Server or Agent Handler in the DMZ.Agent-to-server communication is supported over NAT but, Agent wake-up calls will not work over NAT. ![]()
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