Aug 23, 2017
OpenVPN is a full-featured SSL VPN which implements OSI layer 2 or 3 secure network extension using the industry standard SSL/TLS protocol, supports flexible client authentication methods based on certificates, smart cards, and/or username/password credentials, and allows user or group-specific access control policies using firewall rules applied to the VPN virtual interface. Feb 07, 2019 · Navigate to Firewall > Rules, WAN tab Click Add to create a new rule at the top of the list Set Protocol to UDP Leave the Source set to any since multiple sites will need to connect. Alternately, an alias can be made which contains Set the Destination to WAN Address Set the Destination port to @ikel OpenVPN implements one kind of SSL VPN. Palo Alto is a different protocol. They both use SSL/TLS, but they are not compatible. You may want to have a look at OpenConnect, which implements Palo Alto's protocol. – vidarlo May 6 '19 at 8:18 Otherwise, an OpenVPN server can use a client certificate acting as a server. We can add a few more hardening steps, but will come back to that later on. And then there is the --tls-server and --tls-client options. They are just used to tell OpenVPN that it will act as a server or client with the TLS layers activated. A perimeter firewall on the server's network is filtering out incoming OpenVPN packets (by default OpenVPN uses UDP or TCP port number 1194). A software firewall running on the OpenVPN server machine itself is filtering incoming connections on port 1194. OpenVPN supports conventional encryption using a pre-shared secret key (Static Key mode) or public key security (SSL/TLS mode) using client & server certificates. OpenVPN also supports non-encrypted TCP/UDP tunnels. OpenVPN is designed to work with the TUN/TAP virtual networking interface that exists on most platforms.
OpenVPN - Debian Wiki
It's a non-issue for a server config because OpenVPN should never be stopped, but it is for a client, and that's why I only have this setting on the client machine. # Keys tls-auth server/ta.key 0 cert server/cert.crt key server/key.key ca server/ca.crt dh server/dh.pem These tell OpenVPN to look for the keys (and dh params) in the noted locations. tls-remote workaround for openvpn on Ubuntu 17.10 I try to work around that the option --tls-remote was removed in openvpn 2.4 so my openvpn config file does not work any more. I tried to downgrade openvpn from 2.4 in Ubuntu 17.10 down to 2.3.4
How do I solve a self-signed certificate error in OpenVPN
OpenVPN Connect is the free and full-featured VPN Client that is developed in-house. It is the official Client for all our VPN solutions. Any other OpenVPN protocol compatible Server will work with it too. Our desktop client software is directly distributed from our Access Server User … OpenVPN — Site-to-Site Example Configuration (SSL/TLS Feb 07, 2019 wiki.ipfire.org - Net-to-Net as a TLS-server: