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Questions tagged [tunnel]

226 questions
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1 answer

Add persistent bridge and tap in ubuntu 20.04 server

I'm trying to create a bridge whose interface is a tap, both with static IPs, and have them persist across reboots. In Ubuntu 14.04.6 LTS, this could be accomplished by editing /etc/network/interfaces as such: auto br0 iface br0 inet static …
Leshawn Rice
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How do corkscrew, proxytunnel and httptunnel set tunnels up?

I have been looking into utilities which enable tunneling (SSH or otherwise) through an HTTP proxy: corkscrew proxytunnel httptunnel I've not actually ever used any of them, though. It is not clear to me how these differ in terms of how they…
einpoklum
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IPSec in IPSec with strongswan

I have server connected with remote LAN1 over IPSec tunnel. Now I want to setup second tunnel to LAN2 which is connected to router in LAN1, so I need to create Ipsec tunnel inside existing ipsec tunnel: LAN0 -- server -- internet -- GW1 -- LAN1 --…
Jarek
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1 answer

Share internet from Windows machine to a Linux machine through ssh

We have access to a secure linux infrastructure through a Windows machine. The linux infra has no access to internet, but the Windows machine has. On this windows machine, we have installed putty, and can connect to the linux infra with it. We can…
Gui13
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Forwarding ports of OpenVPN-tunnel to LAN with IPtables on Debian

I'm connecting two Debian 9 x64 machines with OpenVPN: Server (ens3 public-ip x.x.x.222) tun0 10.8.0.1 -> Services: * Samba - udp137, udp138, tcp139, tcp445 * Webserver - tcp80 Client ens33 192.168.162.157 tun0 10.8.0.6 So I want to forward…
Netzmeister
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SSH Tunnel: channel 3: open failed: administratively prohibited

I have two servers, let's say server A and server B. I wish to use server B as an ssh tunnel so on server A I did this ssh -D 1080 root@ip It connects and as soon as I put in the server B as a SOCKS5 proxy on my server A, the server B comes up with…
user445735
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l2tpv3 tunnel with local ip in vrf (linux kernel vrf)

On a ubuntu host I have two identical ip addresses configured on two interfaces enslaved to two different kernel vrfs. Here they are: mikle@LabHost:~$ ip link show vrf VRF1401 7: enp3s0f0.1401@enp3s0f0: mtu 1500…
off-on
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1 answer

How to configure VxLAN tunnel with ovs bridge?

I want to connect VMs located on two different machines with ovs bridge and VxLAN tunnel, suppose the topology as the picture topology shows, my configuration on host A like this(configuration on host B is almost the same except changing remote_ip…
sujz
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Redirect from 1 IPv4 local subnet to another in pfSense

I have an OpenVPN Server on pfSense. The tunnel is on a private network 10.21.4.0/24, but the LAN is on 10.21.1.0/24. How can I route the VPN clients from the tunnel to the LAN? My current setup includes: An Open VPN server (made with the…
David
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IPv6 connectivity through IPv4 using OpenVPN

I've set up a Debian-based server at home, which handles dhcp and a bunch of other services. Unfortunately, even though the machine is capable of using IPv6, my ISP doesn't support it. I was wondering if it's possible to route the ipv6 traffic from…
theP1
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Xl2tpd + pppd tunnel persist error

The issue I am experiencing is based around a l2tp tunnel from a Raspberry pi3 to our radius server. If there is no response from the server for over a minuet the ‘ppp0’ interface made by xl2tpd gets deleted. When the ‘persist’ option is entered in…
Sam Hester
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1 answer

Virtualize using IPs under GRE Tunnel (or NAT?)

Well, this is the situation I am experiencing: I've got a dedicated server from OVH, and a dedicated server from another company, since the maximum RAM for the OVH server (GAME category) is 64Gb of RAM, and I need more, I'd like to make a GRE tunnel…
Matthew
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1 answer

How to redirect traffic on vpc instance

I'm working with Amazon web services and I have a VPC with two instances one of the instances is running my app and the other one has a VPN connection to a payments system. The VPN tunnel is working and I can ping the payments system, I can also…
dserrano3
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SSH tunnel on port other than 22 under OSX

I'm trying to access two different machine's VNC servers located on the same local network from the WAN. As I'd like that traffic to be routed in an SSH tunnel, I'm using ssh admin@xxxxxx.net -N -L 15900:127.0.0.1:5900 and…
brunobhr
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1 answer

VPN Tunnel Migration

I need to do a VPN tunnel migration from 1 Cisco Asa to another one on 20 remote routers. I wrote a little script that can automaticaly migrate the routers to the new ASA. However, when I run this script, the tunnel breaks ( which is logic, as I…
Dylan C
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