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Questions tagged [tap]

93 questions
3
votes
2 answers

Windows: Send all network traffic from script/app through specific TAP adapter

I have created a script in Node.js to remotely manage a server. To work the script needs to be connected to a VPN. The VPN it needs to connect to is different from the one I want Windows to use. Both VPNs use OpenVPN. I have successfully created two…
Settings Menu Hard to Find
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1 answer

OpenVPN TAP vs TUN in parallel

I have a few questions about our existing OpenVPN server setup and a requirement that we have to expand our access. Our current setup is as follows: 1 OpenVPN server (in TAP mode) Multiple VM servers with host machine physically connected to the…
Adam Blalock
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1 answer

Bonding over OpenVPN, for fault tolerance

I have two OpenVPN server, and two machines connecting to them. Server 1 openvpn address: 10.158.1.1 Server 2 openvpn address: 10.158.2.1 Machine 1 has address 10.158.1.11 on server 1, 10.158.2.11 on server2. Machine 2 has address 10.158.1.12 on…
WorK
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1 answer

Issues setting up TINC on Mac OSX 10.12.2

I have TINC setup on a few linux boxes and they are working great. linux001 (static ip vps - 10.0.0.1) macosx002 (connects to linux001 - 10.0.0.2) linux050 (connects to linux001 - 10.0.0.50) I also have a Mac with OSX 10.12.2 that seems to be…
CaffeineAddiction
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Tap interface is not receiving packets

I'm configuring a tap interface and trying to send and receive packets through it, i configure it like this: ip tuntap add name tap0 mode tap multi_queue ip link set tap0 up i'm using scapy to send traffic to the interface, the command is : p =…
Kareem Khaleel
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1 answer

icmp ping reply not received by ping process, seen by tcpdump/wireshark

I'm having an issue with getting the actual ping process to receive the reply even though I can clearly see the response in the tcpdump output. I'm running on: Mac OS X 10.11.4 El Capitan Bridge interface with tap interface as a member qemu is…
McBirdy
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1 answer

Softether vpn ufw firewall config - is it correct?

I've correctly installed and configured Softether on my Ubuntu 14 x64 VPS in local bridge mode with a virtual TAP interface. What I have now is a fully functioning L2TP/IPSEC server with two network interfaces which I'd like to further secure using…
Touff
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2
votes
1 answer

Openvpn limit bandwidth

I would like to ask you a question concerning openvpn and the possibility to increase the bandwidth in case I want to transfer files. I have an openvpn server via which I connect to my data center. So, in some way, I want to have the ability to…
user200913
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2
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2 answers

OpenVSwitch between namespaces

I'm trying to configure a bridge between two TAP interfaces each created inside their own network namespace, on Linux. I'm using OpenVSwitch as software bridge. These are the steps that I believe should work: ip netns add test_ns1 ip netns exec…
Daniele Venzano
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1 answer

How to connect a virtual NIC in one QEMU-KVM instance to a virtual NIC in another QEMU-KVM instance without a bridge

Is there a way to connect a Virtual NIC one QEMU-KVM instance to a Virtual NIC on another QEMU-KVM instance. I want to be able to do this efficiently and it may be possible that the 2 instances could be on local or remote machines. I understand the…
Sarvi Shanmugham
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2
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1 answer

IP Packet Capture/Manipulation via TUN/TAP

I'm trying to capture and manipulate incoming IP packets (via eth0 interface) by using a TUN device (since I'm only concerned with IP layer). The first step I think is 1:1 packet forwarding from eth0 to tun0, but I can't get this to work via…
Matt
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2
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2 answers

openvpn without tap module? replacement?

I am trying to instal OpenVPN on a special linux distribution that has no tap kernel module, and all howtos available are outdated. I was wondering if there is a way to run OpenVPN without this kernel module. At the moment I can't install OpenVPN…
naugtur
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2 answers

qemu commandline can't see /dev/net/tun

i am newbie with qemu and libvirt. I hit the issue with virsh and qemu, especially with tun interface setup. Once i run qemu-system-x86_64 \ -nographic -enable-kvm \ -cpu host -m 2048 \ -serial mon:stdio \ -netdev…
raphaelnadal
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Is there a tool I can use to test out multiple vpn tunnels in one machine?

I use wget -q -O https://checkmyip.com/csv to determine if I am connected to a VPN but I want to verify multiple VPN tunnels on the same machine. Is there a tool that can allow me to send a command that will allow me to load a csv/json file from…
LeanMan
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1
vote
2 answers

OpenVPN - client connected to server, but cannot ping server or server's LAN

I am trying to ping the network of the Ubuntu server from Windows 7 (client). Both Ubuntu and Windows are clients on another OpenVPN server with the option client-to-client. The client can connect to the server (gets an IP address of 10.0.0.50),…
xinthose
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