I am trying to test openvpn tunnel. I have connected PC and destination device through USB cable. A simple tunnel without security working fine. Whenever I try to use A tunnel with static-key security (i.e. using a pre-shared secret), I am facing issue. I am able to ping one end tunnel IP but unable to ping other end while using preshared

Which is the Best VPN Protocol? PPTP vs. OpenVPN vs. L2TP Apr 04, 2018 OpenVPN TAP and Windows Firewall Sep 28, 2009 VPN — OpenVPN | pfSense Documentation OpenVPN¶. OpenVPN is an Open Source VPN server and client that is supported on a variety of platforms, including pfSense® software. It can be used for Site-to-Site or Remote Access VPN configurations. OpenVPN can work with shared keys or with a PKI setup for SSL/TLS. is the gateway that the OpenVPN connection command outputs on the client, although I am unable to ping it. When multiple OpenVPN clients are connected, they can ping each other. pfSense can ping both the OpenVPN client and the machine on the LAN.

ICMP has no ports and is neither TCP nor UDP. ICMP is IP protocol 1 (see RFC792), TCP is IP protocol 6 (described in RFC793) and UDP is IP protocol 17(see RFC768). UDP and TCP have ports, ICMP has no ports, but types and codes. I would say: don't filter ICMP until you know exactly what you are doing. Do you remember the issues when DSL was OpenVPN Integration Guide for Linux – EMnify root@openvpn-client:~# ping 10.x.y.z PING 10.x.y.z (10.x.y.z) 56(84) bytes of data. 64 bytes from 10.x.y.z: icmp_req=1 ttl=62 time=72 ms 64 bytes from 10.x.y.z: icmp_req=2 ttl=62 time=80 ms 64 bytes from 10.x.y.z: icmp_req=3 ttl=62 time=75 ms Service - OpenVPN | Server documentation | Ubuntu

Vincent Danen shows you how to set up OpenVPN and takes you through some of the tricky configuration steps to get you up and running quickly. icmp_seq=0 ttl=63 time=17.540 ms.

How To Set up OpenVPN Server In 5 Minutes on Ubuntu Linux Apr 24, 2020