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Questions tagged [tunneling]

384 questions
5
votes
2 answers

Unknown protocol when trying to connect to remote host with stunnel

I'm trying to set up a stunnel for WebDav on Windows. I want to connect 80 port on my local interface to 443 on another machine in my network. I can ping the machine remote machine. However when I use the tunnel, I'm getting this error all the…
RaYell
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2 answers

SSH known_hosts with a dynamic IP

I have a machine behind a firewall. I connect to it remotely using a VPN tunneling with a port forward through ssh. To connect to the machine I use the external IP of the VPN and my personal and temporary assigned port. The command I use is: ssh…
Ilmanowar
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1 answer

Routes for two openvpn connections (different hosts) in the same client

Im trying to make multiple tunnels in the same client, and after a successful connection to the openvpn server I've applied some routes for the tunnels created without success. My first tunnel works but the second one does not. Im doing it like…
therealbigpepe
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3 answers

Make reachable via a fixed address (e.g. IPv6) a server that is actually connected via a variable IPv4 adress?

Need: Internet host at a fixed IP address for full-stack self-hosting People want to perform self-hosting in an area where no ISP provide sufficient service with a fixed IP address. They provide one IP address that changes at least once every week…
Stéphane Gourichon
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4
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5 answers

SSH remote access vpn tunnel

I have two machines both running CentOS linux, one is public facing machine with a real ip address (foo). The other is at a client's site behind a very restrictive firewall and with no real ip and no possibility of natting or opening an port to it…
Jona
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1 answer

Can I use something like a tunnel for SSH in this Linux/Windows Remote Desktop scenario?

I have a Linux server (call it server-L) which i cannot directly ssh to it. In order to ssh it i should connect to a windows server(call it server-W) and then make ssh connection from it to my Linux server. I want to know are there any methods so…
VSB
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4 answers

What software should I use for IP tunneling

I have two ethernet networks which are connected by a router (think it is cisco). Trafic from the two networks must not be mixed. Except from one virtual server (Win2003 based on HyperV) on one LAN which is supposed to see two netcards one from the…
user18431
4
votes
2 answers

ssh tunnel setup via a gateway, possible?

local -> gateway ( only ssh port enabled ) -> remote I can ssh to gateway then to remote, no problem. Can I establish a ssh tunnel between local and remote via gataway? I 'd like to access local:9980, which will forward to remote:9980 via…
valpa
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4 answers

P2P VPN: cross between Hamachi and OpenVPN

I recently started using OpenVPN. It is useful because you can securely connect many clients from different networks. However, when two clients communicate, they are not directly connected but they go through the server. This means that the…
user14198
4
votes
4 answers

Kill an SSH tunnel after X minutes even if it's still being used?

I'm setting up some background SSH tunnel for some backup procedures. However I'm worried the ssh process just sitting around. At the end of my script I kill the PID, but what if something happens to my script and it doesn't finish. I want something…
Amandasaurus
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1 answer

What is the purpose of netcat's "-w timeout" option when ssh tunneling?

I am in the exact same situation as the person who posted another question, I am trying to tunnel ssh connections through a gateway server instead of having to ssh into the gateway and manually ssh again to the destination server from there. I am…
jrdioko
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1 answer

Renting a IPv4 address block

I am building a lab network with about 10 virtual routers and 20 host machines (also virtualized) as a part of a school project. The aim is to demonstrate a wide range of IPv6 routing, deployment and transition mechanisms. However, there is a…
user81458
4
votes
3 answers

Tunneling all TCP and UDP traffic through a Server?

On a Linux or Windows system, how would it be possible to tunnel all TCP/UDP packets through a thirdparty server? What would one use, does it work with SOCKS5, OpenVPN or SSH?
JohnnyFromBF
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2 answers

6to4 tunnel: cannot ping6 to ipv6.google.com?

Follow the Setup of 6to4 tunnel guide, I want to test ipv6 connectivity, but I cannot ping6 to ipv6.google.com. Details below: # traceroute 192.88.99.1 traceroute to 192.88.99.1 (192.88.99.1), 30 hops max, 40 byte packets 1 static.vdc.vn…
quanta
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1 answer

Cisco ASA and static IPv6 tunnel endpoint?

I recently installed a Cisco ASA 5505 firewall on the edge of our LAN. The setup is simple: Internet <--> ASA <--> LAN I would like provide the hosts in the LAN with IPv6 connectivity by setting up a 6in4 tunnel to SixXS. It would be nice to have…
Martijn Heemels
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