0
votes
0answers
3 views

Using Tap/Tun to intercept packets at IP level

I would like to intercept packets on the IP level. If my machine receives a packet with an IP address not destined to it's own IP address, I would like that packet to be sent to a user space program. ...
0
votes
0answers
29 views

How to connect to the a Linux machine behind a router via ssh tunnel

I'm using Windows system (Machine W). I want to a Linux machine (Machine L) behind a router via ssh tunnel. I have another Linux machine (Machine T) to establish ssh tunnel. I want only packets for ...
0
votes
0answers
6 views

what happens to my IP my inner VPN uses if my outer VPN channel breaks down?

I want to use a VPN tunnel within a VPN tunnel. So I establish a connection first, and then another one, which will already by routed via the first. The first is the outer one, the second the inner ...
0
votes
1answer
55 views

SSH tunnel through two servers to access a web service on port 9091

what I have is a "phone-home" service running at remote1 that connects to LAN1 via: ssh -N -R 16864:localhost:22 <myuser.on.lan1>@<lan1.ip> so from the SSH terminal on LAN1 I can easily ...
0
votes
1answer
41 views

Tunnel in a tunnel multi-vpn

I started using some days ago a VPN service to surf the web anonymously. My worry is now that if the connection to the VPN server drops I will automaticaly get my real external IP from my ISP so my ...
1
vote
1answer
35 views

SSH “reverse” ProxyCommand

Normally you have a setup like: Workstation -> Firewall -> Server Were your Workstation cannot contact Server directly, but has to use log in into Firewall first in order to contact Server. ...
0
votes
0answers
47 views

Persistent ssh tunnels over unstable internet connection

I've got an ssh connection to some machine, let's call it gateway. I use this connection manly to establish tunnels to another machines at the same LAN (ssh -L and ProxyCommand ssh -W %h:%p ...), not ...
2
votes
1answer
156 views

How to release ports on the SSH server when a reverse ssh tunnel disconnects abruptly/uncleanly

Ok here is the issue, We have a some hardware we install at our customers' locations, that hardware connects to our ssh server and establishes a reverse ssh tunnel so we can gain access to several ...
0
votes
1answer
184 views

IPSec with or without L2TP?

I'm referring to this question. And to be clear: This is really not about the old PPTP vs L2TP debate. ;-) I successfully set up racoon as an IKE server without any L2TP implementation running and it ...
1
vote
2answers
131 views

Restrict internet access through VPN/SSH tunnel to prevent leaking non-tunneled data (No router)

Pretty simple use case. Let's say I use various applications, and at no such time can any of these applications ever transmit data natively from my actual connection. Here's my actual problem in more ...
0
votes
1answer
34 views

ssh tunnel not working for external addresses

I am at a client site and they block some addresses so I am trying to use ssh to tunnel through my company's server. The tunnel works for intranet sites, but it fails but failing for pubic sites. ...
0
votes
1answer
96 views

autossh - remote binding and closing the tunnel

I'm trying to tunnel computer a to computer b (using autossh) I want that port 8080 in a.com will be mapped to port 8080 in b.com from computer A: autossh -M 0 -q -f -N -o "ServerAliveInterval 60" ...
0
votes
0answers
20 views

Automatic ssh tunnel

I am looking for an easy way to automate my ssh tunnels. Basically I want a local daemon listening a series of local ports. If one program sends traffic to that port, the daemon should start a SSH ...
0
votes
2answers
130 views

Tunnel HTTP traffic through a linux server

I want to tunnel data (HTTP / HTTPS) from one linux server through another to access proxies. The reason I cannot go straight to the proxies is because they are all firewalled and I have far too many ...
0
votes
1answer
51 views

SSH access a remote client through a tunnel

I'm a newbie with everything network related and i want to access a remote client through another server (tunnel), say for example a remote client 11.11.111.111 with username user2 and password2 , ...
0
votes
0answers
42 views

secure multihop ssh tunnel for http and https?

Suppose I have the following situation: ServerA hosts a website that is accessible only from other computers on its local LAN (ie there is a firewall preventing any access from IP addresses outside ...
2
votes
1answer
80 views

How to use google search via SSH tunnel?

I live behind the Great Firewall of China (not very proud of it) and I'm slightly technical. So I use SSH tunnel to route all connection to my VPS. (i.e. ssh -D port and then set localhost:port as a ...
1
vote
1answer
159 views

Send Telnet command inside a SSH Tunnel

I want to connect my personal computer to some routers via Telnet, for managing them. Actually, my routers is in another network. I open the console, make a SSH connection to the Main Mahcine, and ...
0
votes
0answers
51 views

Give external parties access to web servers behind the firewall

I work in an AM-project as a consultant against three customers. We have a file server and a TFS server where all project related are saved. The problem is that it is behind the corporate firewall ...
0
votes
1answer
43 views

redirect data form tunnel to another network

I have Linux computer with eth0(192.168.1.20/24) and tun0(10.8.0.6/24) interface. I am sending data through tunnel to Linux computer in the specific port and want to redirect all data to another ...
1
vote
1answer
334 views

Reverse SSH tunnel - Fails on Certain Ports

I'm trying to forward very specific ports using a reverse SSH tunnel. MachineA is the target machine (the one the command is being run from) and MachineB is the tunnel (the one SSH is connecting to ...
0
votes
0answers
28 views

SIT tunnel link errors

I've got a SIT tunnel set up on Linux since my ISP uses 6RD to provide IPv6 connectivity. When I check the tunnel interface with ifconfig, it says the following: 6rd Link encap:IPv6-in-IPv4 ...
0
votes
0answers
23 views

UDP tunnel over SSH : almost? [duplicate]

I am trying to set up a UDP tunnel over SSH but it doesn't work. Machine A is under Windows Machine B is running Linux I want to connect (voice over IP) from machine A to machine B via UDP with ...
0
votes
1answer
605 views

Is it possible to tunnel PPTP over SSH?

I'm trying to get my iDevice to use its USB connection for all network access, instead of WiFi. I had thought it would be as simple as using a VPN, and routing that VPN through some ports I'm ...
0
votes
1answer
94 views

How to SSH Tunnel with -L command?

Im trying to use a SSH tunnel for games, website browsing etc. I'm trying ssh -L 8080:runescape.com:80 ****@*****.serveftp.com Problem is, when I reach localhost:8080, it says "Service ...
0
votes
1answer
168 views

Tunneling to access a remote server: channel 2: open failed:

I've tried looking at similar articles here but they haven't helped. I am using a tunnel to forward traffic to port 8080 of a server using the following command: ssh user@ -L 8080:SERVER:8080 -N It ...
0
votes
0answers
157 views

Remote Desktop (RDP) + Tunneling

Sorry for the long story, I tried to be crystal clear. * A little back ground * As part of a project we need to be able to access certain computers (hereafter called clients) using remote desktop ...
1
vote
0answers
98 views

How can I make Linux chain through 2 VPN connections?

I am looking to setup a WiFi access point for use in my Uni halls, except I have a problem and that is my uni require the use of a VPN. And I would like to mask my traffic by using another VPN. I'm ...
0
votes
1answer
225 views

How to make connection remotely to 3G router if IP of this router is dynamic?

I have computer witch is connected to internet via 3G router (http://www.mobidata.com/en/product/productshow.asp?id=204). IP of 3G router is dynamic. I run server on this computer and want to make ...
0
votes
1answer
97 views

Can you do continous ssh tunneling?

I saw here a way to do two ssh hops ssh -L 9998:host2:22 -N host1 ssh -L 9999:localhost:1234 -N -p 9998 localhost I think I understand what one line does, but not how they work together. Can ...
0
votes
1answer
118 views

How to tunnel a port from a server behind a firewall to a remote server that allows connections via ssh?

I have a scenario where I need to open up a port for a server behind an ISP that appears to be blocking traffic. In this case I have a dedicated server remotely that I can ssh into and use whatever ...
1
vote
3answers
2k views

DNS over SSH Tunnel

I want to setup my OSX system such that all network traffic is done through an SSH tunnel. I've written a small script for this purpose, and these are the commands executed by it: // setup tunnel ...
1
vote
1answer
100 views

In tspc ipv6 tunnelling, does tunnel broker required for ipv4 to ipv4 communication?

I am new in embedded systems and trying to add support the ipv6 network availability in my new product but I have understood that, First of all, My system is connected to IPv4 ISP and I want to ...
1
vote
0answers
88 views

Are there tools for tunneling connections over a VNC (or RFB) connection?

Note: This is not, repeat not a question about tunneling VNC over something else, e.g. SSH. That's an entirely different thing. Setup I have a machine M1 on some network segment which is accessible ...
-1
votes
1answer
617 views

Is my VPN tunnel connected? Is my traffic going via the VPN tunnel? How do i verify this?

From RHEL i have to connect VPN server and reach that target PC1. Till now it was possible to make the VPN interconnect but 10.0.0.108 cant ping 10.109.0.200. Variables: ME WAN IP: 8.8.8.8 (Amazon ...
0
votes
0answers
540 views

Force game through Fiddler proxy

I would like to view (perhaps fiddle with, later on) traffic from a game on my computer, using Fiddler (or perhaps you can suggest an alternative). The game ignores the Internet Explorer proxy ...
0
votes
1answer
27 views

Mapping someip:port to a someip/suburl

I would like it so that when my router gets a request for http://192.168.0.33/plex it basically returns http://192.168.0.33:32400 I'm wondering if this is possible and if some routers do it. ...
0
votes
1answer
421 views

Using local SSH tunnel from remote machine/another subnet

I have a Linux machine (box 1) with Internet service connected to a Wifi router sitting right next to it, through Ethernet (eth0). The purpose of this router is so I can share this Internet connection ...
0
votes
2answers
347 views

Access company intranet (http/https) using SSH (AllowTcpForwarding might be set to “no”)

How can I access web services inside my company's LAN from the outside? I can SSH in to a machine that's inside the LAN. I tried to use Putty to set up dynamic port forwarding and configured Firefox ...
0
votes
1answer
612 views

How to set up NAT in windows server 2008 r2 for IPSec tunnel use

I am having troubles setting up the whole IPSec tunnel thing. What i have: 1. Router that only has a VPN/IPsec passthrough functionality (IP 192.168.0.1) 2. Windows Server 2008 R2 which has group ...
-2
votes
1answer
199 views

Increasing Download Speed

I had an interesting thought: Would it be somewhat possible to increase download speed (and potentially upload speed) like a download accelerator does, but using a socks proxy that splits your ...
1
vote
1answer
123 views

Establish SSH connection via SSH tunnel in a single command

I'm trying to connect to one of my internal computers (private ip) using SSH over the internet. The SSH port of that computer is not exposed so I first create a tunnel via a public resource (public ...
0
votes
1answer
103 views

Tunneling from one unix server to other unix server using ssh

I am trying to connect one Unix server to another. Direct login is possible, but logging in through a tunnel is failing. I'm creating the tunnel connection using: ssh -N -f -L 6002:bsc2:22 ...
0
votes
1answer
60 views

Is it possible to open server ports on TUN devices?

If I make a VPN connection to a server (say myvpn.com; assume this server is not behind any router/firewall) via a TUN device and open a port (say 5555), will someone else be able to connect to me via ...
1
vote
2answers
498 views

VPN tunnel configuration

I use VPN tunnel to play games like League of legends or vidictus and I live in a college dorm and all gaming ports are blocked so I buy their services, but my browsers tend to eat my tunneling data. ...
1
vote
1answer
177 views

What is a tunnel?

According to Wikipedia, a "tunneling protocol" is: when one network protocol (the delivery protocol) encapsulates a different payload protocol. By using tunneling one can (for example) carry a ...
1
vote
0answers
185 views

Tunnel router's outbound traffic through ssh?

Not looking for VPN. Trying to bypass traffic counter by tunneling to a m/c (non-restricted non-counted with no root access). Currently I am doing a tunnel(via sshuttle/tunnelier) for every client on ...
0
votes
2answers
655 views

How to tunnel all router's traffic through ssh tunnel

Environment :linksys wrt300n v1.1 which can have ddwrt-mega. Willing to tunnel all lan's outbound traffic through an ssh tunnel.
3
votes
3answers
5k views

VPN Tunnel vs SSH Tunnel

What is the difference between a tunnel, a VPN tunnel and an SSH tunnel? According to Wikipedia, "tunneling" is: Tunneling typically contrasts with a layered protocol model such as those of OSI or ...
1
vote
0answers
45 views

IP header “Option field”

Is it true that the GRE (Cisco tunnel) header is placed in the IP header "option field" ? Are the IPSec headers (ESP or AH) installed in the "option field" too ?