Thomas -Balu- Walter said: > Hi, > > please send a Cc: to me in addition to the list. I am not subscribed and > this will make it easier for me to follow the thread and reply. > > I am playing around with the following openvpn-1.5_beta14 setup: > > Linux Windows 2K (behind Linux-NAT-Router) > remote openvpntest.example.com > dev tun dev tun > ifconfig 10.4.0.1 10.4.0.2 ifconfig

May 31, 2018 · OpenVPN will adjusted the MTU of the tun/tap interface while creating it. You can check the interfaces effective MTU by using ip link show or ifconfig command. The same however can not be said about Windows. In a typical scenario, OpenVPN is not even directly responsible for creating the said interface. I have a working routed OpenVPN (tun interface) on a Ubuntu Linux machine. All clients are WinXP except of one (Ubuntu). If I am connected via LAN to my Samba server, I can reach it with the NetBIOS name. But if I am connected via OpenVPN to my Samba server I only can connect the samba share using the IP-address. Can you help me to solve this? client dev tun proto udp remote "public IP" 1194 resolv-retry infinite nobind ns-cert-type server # This means that the certificate on the openvpn server needs to have this field. Prevents MitM attacks persist-key persist-tun ca client-ca.pem cert client-cert.pem key client-key.pem comp-lzo verb 3 tls-server # server binding port port 12112 # openvpn protocol, could be tcp / udp / tcp6 / udp6 proto udp # tun/tap device dev tun0 # keys configuration, use generated keys ca example/ca.crt cert example/example.crt key example/example.key dh example/dh2048.pem # optional tls-auth key to secure identifying # tls-auth example/ta.key 0 # OpenVPN 'virtual' network infomation, network and mask OpenVPN Robust and flexible VPN network tunnelling Brought to you by: dazo

Definition at line 4717 of file tun.c. References openvpn_swprintf(), SIZE, and TUN_ADAPTER_INDEX_INVALID.

client dev tun proto udp remote "public IP" 1194 resolv-retry infinite nobind ns-cert-type server # This means that the certificate on the openvpn server needs to have this field. Prevents MitM attacks persist-key persist-tun ca client-ca.pem cert client-cert.pem key client-key.pem comp-lzo verb 3

OpenVPN offers two types of interfaces for networking via the Universal TUN/TAP driver. It can create either a layer-3 based IP tunnel (TUN), or a layer-2 based Ethernet TAP that can carry any type of Ethernet traffic. OpenVPN can optionally use the LZO compression library to compress the data stream.

2) Re-install the OpenVPN application by following the instructions in the link below: Re-install OpenVPN . 3) If re-installing the OpenVPN application still does not resolve the issue you’re experiencing, please give our L2TP VPN a try by following the instructions in the link below: L2TP VPN Setup (Windows 10) Thomas -Balu- Walter said: > Hi, > > please send a Cc: to me in addition to the list. I am not subscribed and > this will make it easier for me to follow the thread and reply. > > I am playing around with the following openvpn-1.5_beta14 setup: > > Linux Windows 2K (behind Linux-NAT-Router) > remote openvpntest.example.com > dev tun dev tun > ifconfig 10.4.0.1 10.4.0.2 ifconfig Dec 19, 2019 · Running "modinfo tun" now after the other commands posted above reveals the driver is now running However, when starting openvpn or adding the tun device with "ip tuntap add mode tun tun0" the console now freezes. It won't react to any commands such as ctrl-c or ctrl-z. I found out that doing this crashes network manager. Feb 11, 2016 · This post is a continuation of that post. So we already have a bridge configured (br0) running openvpn in TAP mode. Now we want to add a second listener in TUN mode for iOS. We will reuse the same key (hence we use duplicate-cn option in both server configs) The OpenVPN side is easy. OpenVPN will scan for .conf files in /etc/openvpn so just: currently openvpn seems to unconditionally report a connection speed of 10mbps for TAP devices. aka "a tun interface will report 10 Mbit/s, always, period". A user-space program may also pass packets into a TUN/TAP device. In this case the TUN/TAP device delivers (or "injects") these packets to the operating-system network stack thus emulating their reception from an external source. Applications Virtual private networks. OpenVPN, Ethernet/IP over TCP/UDP; encrypted, compressed TUN - if you ONLY need access to resources connected directly to the OpenVPN server machine at the other end, and there are no Windows issues. A little creativity here can help, by making resources "appear" to be local to the OpenVPN server.