How do I set an IP address for a TUN interface on OSX? I cannot figure out how to set up an ip address for my interface without specifying a destination IP. I don't want to do that- I'm want to mor...

I'm having a hard time figuring this problem out - I am trying to write a program that will interact with the Linux tunnel driver. At a very basic level, I simply want to create an application that...

I created a TUN device using VpnService. Why does the TUN interface have the highest priority among other network interfaces of my device? Update #1 This is how I configured the TUN device: mInt...

I am trying build a VPN client mobile for Android based applications that connect to virtual infrastructure over VPN tunnel. I have a similar application for Linux/Windows and I know how to open a ...

I am trying this tutorial for creating and using tun interface. In my case, I want to use it inside a docker container. My host and docker container both are Linux with mknod support. I am trying t...

I'm trying to create a Docker image with a /dev/net/tun device so that the image can be used across Linux, Mac and Windows host machines. The device does not need access to the host's network inter...

What is the difference between sending IP packets (from user-space) to a tun device and using a raw socket? For the purpose of tunneling IP packets through user-space. Why would I use one method o...

I'm using ip tuntap to create a tap interface, like this: $ sudo ip tuntap add mode tap tap0 Afterwards, I set the interface up and address it with the common IP commands. I can see then my inte...

I found the following tun\tap example program and can not get it to work: http://www.secdev.org/projects/tuntap_udp/files/tunproxy.py I have modified the following lines: f = os.open("/dev/tun0"...

What is the purpose of the "destination address" for a TAP/TUN device? Pytun lets you easily set parameters of a tap/tun device: tun = TapTunDevice(name='mytun') tun.addr = '10.66.66.1' tun.dstad...

I've put together a perl script that reads packets into userspace via Linux::TunTap, and it all seems to work fine: #!/usr/bin/perl use warnings; use strict; use Linux::TunTap; $tun = new Linux::...

I'm creating a network interface via a program in order to build a bridge between a simulated network (NS-3) and the real Linux host. So when the "bridged" node receive a packet in NS-3, the real L...

I have two processes and I am trying to simulate the situation where the two processes represent two switches which are connected by a wire. I want to be able to send a packet from one process to t...

I have installed the TAP-WIN32 Adapter V9 on my Windows 7 machine. I want to use TUN to read the IP packets out of the interface. I followed the C# sample from http://www.varsanofiev.com/inside/usi...

I'm trying to implement a simple firewall for android with VpnService for BS project. I choose VpnService because it will be working on non-rooted devices. It will log connections and let you filte...

What is difference between PPP and tun/tap? Both seem to be for implementing networking over user-space programs. With PPP, kernel creates ppp%d for use and let userspace program provide the backe...