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. To allow IPSec Network Address Translation (NAT-T) open UDP 5500. To allow L2TP traffic, open UDP 1701. Learn more: Enabling a Windows Firewall Exception for Port 445

Outgoing ports. Purpose. Protocol/Port. FortiAnalyzer. Send logs to FortiAnalyzer (FortiClient must connect to FortiGate or EMS to send logs to FortiAnalyzer) TCP/514. FortiAuthenticator. SSO Mobility Agent, FSSO. TCP/8001. FortiClient EMS. Endpoint management. TCP/8013. Upload logs and diagnostics to EMS server. TCP/8014. FortiGate. Remote Which firewall ports to open for IPSec? May 30, 2010 What is the difference between the IPSec and IKEv2

If you’re building or installing a firewall to protect your computer and your data, basic information about Internet configurations can come in very handy. The following tables give you the facts on IP protocols, ports, and address ranges. Common IP Protocols Protocol Name 1 ICMP (ping) 6 TCP 17 UDP 47 GRE (PPTP) 50 ESP […]

Internet protocol security (IPsec) is a set of protocols that provides security for Internet Protocol. It can use cryptography to provide security. IPsec can be used for the setting up of virtual private networks (VPNs) in a secure manner. Also known as IP Security. Layer 2 Tunneling Protocol L2TP/IPSec VPN

I'm watching an INE video for IPSEC VPN's, specifically the section about IPSEC Control Plane vs Data Plane. In the video the instructor is talking about that IPSEC uses port 500 (for AH and ESP) in the Control plane and Protocol number 50 and 51 for ESP and AH. But when the tunnel is going through NAT use sues different ports.

Navigate to System > Large Scale NAT > Profiles, click IPSEC ALG tab, and then add an IPSec ALG profile. To bind an IPSec ALG profile to an LSN configuration by using the GUI** Navigate to System > Large Scale NAT > LSN Group, open the LSN group. In Advanced Settings, click + IPSEC ALG Profile to bind the created IPSec ALG profile to the LSN group. How to use Netsh IPSec [IP security policy] | Develop Paper Netsh IPSec usage At the command line, configure IPSec Security Policy through Netsh IPSec static. The precondition is that the IPSec service is turned on.An IPSec consists of one or more rules. A rule consists of an IP filter list and a corresponding filter operation. This filter list … How to Enable VPN Passthrough - IPsec Firewall Port - Tom