Tunneling is the act of encapsulating one protocol inside another.

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How to set up HTTP/SOCKS5 tunneling proxy on Windows using freeSSHd?

freeSSHd was set up on the server. Putty successfully connecting to server over SSH. I have tried to configure tunneling for SOCKS5 and HTTP but it failed to work. Especially was tested on Opera where ...
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12 views

Setup ssh tunnel to access FTP on a remote server

I have an FTP server which is only accessible from 1 cloud machine (limited by IP). Is it possible to create an SSH tunnel between my home computer and the cloud machine so I can access the FTP ...
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13 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 ...
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17 views

Background chained ssh tunnel dropped instantly

I'm trying to establish the following chained ssh tunnel: ssh -A -t gatewayuser@gatewayserver 'ssh -N -A -t -R 55520:127.0.0.1:55520 user@dbserver' & This is part of a shell script, I want the ...
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connecting to an autossh tunnel using putty

I have a problem connecting to a reverse ssh tunnel created using autossh using Putty in windows. Here are the details: I have two servers, one at work and one at home, both running linux. At work I ...
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28 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 ...
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41 views

Use an SSH Tunnel to access a webapp on a phone through a middle-man

tl;dr: A -> B and C -> B works. How to get A->C to work? I have 3 hosts A. A local machine B. A middle-man C. A phone with a webapp running on port 333 Both A and C can SSH into B. So, A->B and ...
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47 views

VNC over SSH tunnel between Ubuntu Desktops 12.04 ¿All three 22, 5900 and 6000 ports open?

Ok, finally I got VNC over SSH tunnel working on LAN, but the objective is to use it on Internet, so I'm a little worried about the open ports the server has. Scanning the ports, I can see these ports ...
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27 views

Create a local SSH server (or proxy) for connection tunneling behind a proxy with authentication?

OS is Windows (any flavor, I can adapt). I'm having an issue where I need to connect to imap.google.com (and other services) and it only accepts port 995. If I try to connect normally, it timeouts. ...
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36 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 ...
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71 views

How to setup Utorrent / Steam to work over SSH Tunnel

I have setup a SSH Tunnel using Corkscrew to bypass the HTTP Proxy and firewall to gain access to Internet but, the problem I am facing is that Utorrent is working only partially that is, only the ...
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23 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. ...
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41 views

How to combine ssh agent forwarding and tunneling?

I'm trying to Vagrant-ify a project in order to simplify dependency setup for my users. One of the dependencies is an SSH tunnel, from port A on host B to port C, using ssh's -L option. I can ...
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2answers
169 views

How to use Kindle through proxy?

I access internet in my college through proxy but my kindle paperwhite doesn't have any option to input proxy settings for a wifi network. How can I get it to work? What I did to overcome the problem ...
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41 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" ...
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17 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 ...
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33 views

vncserver -localhost and ssh tunneling

I'm trying to setup a ssh tunneled vnc connection from my centos 5.10 machine and I've been following some online tutorials such as this one: https://wiki.archlinux.org/index.php/Vncserver. I'm ...
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50 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 ...
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10 views

Creating a three-hop ssh tunnel that php can use

I have read so many posts on this subject but I cannot get this right, mainly because most posts mention only two hops. I have a local php instance that needs to connect to an Oracle database like ...
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38 views

create openVPN tunnels like with putty

Is there a way to create a tunnel through a client open vpn connection the same way as you would through putty. Eg. forward localhost:1234 to 192.168.1.x:5678? The configuration I have uses the tap ...
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66 views

Hanging sshd process on remote host after reverse ssh tunnel connection gets broken

I set up reverse tunnel this way: function startconn () { ssh -N -b ${SRCIP} -X -R ${REMOTEIP}:${REMOTEPORT}:${LOCALIP}:${LOCALPORT} root@${REMOTEIP} & SSHPID=$! echo "$SSHPID" > ...
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87 views

Using Fiddler to capture traffic from smart tv

I've set up Fiddler to capture HTTPS CONNECTs and decrypt HTTPS traffic using a certificate. Also enabled "Allow remote computers to connect" and set up the proxy on both Fiddler and my tv. It ...
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39 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 , ...
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33 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 ...
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52 views

Accessing a remote machine with or without ssh tunneling

I just want to educate myself on an interesting issue here. When I curl a URL I get this error curl "http://myserver:8888/payload" curl: (7) couldn't connect to host However when I setup a tunnel ...
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55 views

Ping through GRE tunnel discarded between 2 interfaces of a router - Ping does not reach subnet

I have an interesting issue that I hope someone can help with. I am trying to create a GRE tunnel between 2 routers (running Linux Ubuntu 12.04) and pass traffic between 2 subnets trough this tunnel. ...
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57 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 ...
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111 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 ...
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23 views

tunnel http over https

I am sitting in an japanese appartment and this weird appartment company needs a username and password to enter the internet (It's a .htaccess like dialog). I cant get this username and password but ...
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36 views

Remote pc connection

I need to connect to a remote pc from my desktop. My goal is to use an SSH connection to control the remote pc with my desktop. The remote pc and the desktop are in two different networks (behind a ...
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40 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 ...
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Create duplex TCP tunnel in Windows with netcat

I need to create a TCP tunnel in Windows, I tried by chaining netcat: ncat -l 3333 | ncat 192.168.0.110 4015 This creates a single direction tunnel, though, as only the first netcat's STDOUT ...
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SSH reverse tunnel fails to automatically restart. How to make sure it times out properly?

#/bin/bash echo "Opening tunnel..." ssh -o ConnectTimeout=10 -gnN ... user@se.rv.er 1>>tunnel.log 2>&1 & PID=$! echo "Tunnel is now open." wait $PID echo "Tunnel is now closed." ...
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64 views

How to properly open a SSH tunnel for a program and close it afterwards?

I want to run a command that needs a SSH tunnel for its operation (opening TCP connections repeatedly). After it exists, the tunnel needs to be closed again. The problems I encountered are: I can ...
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35 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 ...
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641 views

SSH Tunnel for restricted user w/ PuTTY and no shell

so I have been using SSH tunnels to restrict access to internal sites or portions of public sites for a while now, and since only admins had SSH access at all I've been using standard non-root/sudo ...
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198 views

IPv6 connection through IPv4 network without internet-connection

I'm working at a project at my university and now the following problem shows up: We got a Server [Server] with a private IPv6 network. Some sensors (temperature, humidity...) are connected through a ...
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230 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 ...
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361 views

Connect Two Computer from Behind Firewalls

The recent advent of BitTorrent Sync has made me curious as to how they accomplish a reliable, peer-to-peer connection between two internet-connected computers. Within my limited understanding and ...
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59 views

Creating a sub-network on a different network

I am on a network and am assigned 1 IP address for me. This is 172.16.1.202. However, I wanted to have multiple machines on at one time, so I created a router using a Raspberry Pi. It is running ...
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23 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 ...
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110 views

Setup IPv6 over IPv4 tunnel in VPN

Let me explain my szenario: I have a linux server A. A is reachable in a VPN. So if I am connected to the VPN over Internet I can successfully ping A. Server A is connected to a Router B. Router B ...
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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 ...
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68 views

SSH without portforward

I have a raspberry pi lying around in my dorm room. It's connected to campus internet which has all ports closed and I obviously don't have any access or permission to port forwarding. Now I want to ...
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229 views

httptunnel over ssh getting: Write failed: Broken pipe

I am trying to create httptunnel with OpenWRT router as the server. Unfortunately, it doesn't work. I do it this way: router: Start hts to redirect port 80 to 22: $ hts -F localhost:22 80 netstat ...
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From which host are names resolved for SSH tunnels?

If I am on hostA and connect to hostB with SSH, simultaneously creating a tunnel with the -L and/or -R options, and I specify the tunnel destination symbolically as hostC, who resolves the name to an ...
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123 views

How can I set up Reverse port forwarding with remote desktop over UDP(Not TCP)?

The scenarios is as following: I have two computers, let's say one is work computer and one is home computer. The work computer is behind a firewall and I want to have access to port 3389 so I can ...
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176 views

How can an outgoing OpenVPN connection fail when an additional incoming OpenVPN connection is added?

I have the very strange behavior that my VPN-connection to a remote location "restarts" every couple of minutes when I logged on to the connecting machine via another VPN tunnel. When I sit in front ...
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437 views

OpenVPN 4in6 or 4over6 tunnel

My ISP sucks. It gives me an IPv6 Address and an IPv4 one, but IPv4 is down 50% of the time (I can't access any IPv4 Services every 10 minutes)... As I already have an OpenVPN Server set up, I asked ...
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489 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 ...