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7
votes
1answer
842 views

Forwarding traffic from TUN device (C++ backend) to the default gateway

The following problem is just a piece of the bigger solution I have a problem with. All other elements seem working so far, so I'll try to describe very small piece which I have problem with. I've ...
1
vote
1answer
790 views

What exactly happens to packets written to a TUN/TAP device?

I'm trying to send packets to an application listening on eth0 from machine's user-space as if they were coming from a remote machine. What I can't seem to find good documentation for is the exact ...
1
vote
1answer
1k views

How to make Tun module running at linux start

i installed Tun using: modprobe tun then did: lsmod | grep tun tun 83840 0 Please how to make Tun running at reboot? This is written on Hamachi website: ...Then add tun to ...
0
votes
1answer
60 views

OpenVPN - connect server as client to itself

I have tried to setup a small openvpn network but I ran into one big problem. I have a server and a machine at home. So I created a openvpn server on my machine and a configured the client on the ...
0
votes
1answer
193 views

TCP RST from telnet/ssh daemons when connecting from openvpn

I have LAN_1 and LAN_2 interconnected with an openvpn tunnel terminated ona pair of SOHO routers running busybox. One of the vpn purpose is to allow clients on both LAN_1 and LAN_2, to administer the ...
0
votes
1answer
48 views

bridge on openVPN client

I have some problem with setting up what i call a "remote entry point" (i'm sure ther is a real name for this) First things First : Here is my setup : ...
0
votes
1answer
2k views

openvpn: after changing to server mode, client does not create TUN device

I had a previously working configuration with the config files used in a previous question However, I've changed this now to the following configuration using server mode, everything on the logs seem ...
2
votes
0answers
512 views

Forward IP packets to tunnel device

I have created an tunnel device using ip tuntap add dev tun0 mode tun user 0 group 0 I then assign it an ip address 192.168.0.1/22 ifconfig tun0 192.168.0.1 netmask 255.255.252.0 On my ...
1
vote
0answers
115 views

Direct all traffic between Eth0:1 interface and VPN Tun0

If answered correctly this question will show you how to link a 2nd public IP address on a machine to a VPN server tunnel on that machine, so that the remote VPN client (running a server), sees this ...
1
vote
0answers
246 views

TUN/TAP VPN no internet connection

I have set up a tun/tap vpn to a VPS. For this, I created a 10/24 network and gave the server the IP 10.0.0.100 and my client got 10.0.0.200. I can now successfully ping the server / access my mail ...
0
votes
0answers
55 views

OpenVPN tunnel not able to support secure connect request

In CentOS 7 host we have installed openvpn package and did create an tunnel using OpenVPN tunneling for eth9 and tap9. Everthing work fine for unsecure connection but when we try to connect to server ...