An SSH tunnel allows forwarding any traffic over the SSH protocol. This is used to secure the transmission or allow data to be exchanged where network restrictions are in place.

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Connect to database server inside a tunnel inside a router

I'm using Ubuntu and trying to connect to a database server wich is accessed by a tunnel in my server wich is inside a router and I only have ssh connection to my server. Is there a way to do that? ...
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How does a SOCKS SSH tunnel?

I’m interested in the actual mechanics of SOCKS SSH proxy tunnel. How does it encrypt your Internet connection. I understand the use of keys, etc. But I’m looking for an exact explanation of what is ...
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43 views

Probing a port for RDP

I use an ssh tunnel to RDP into my home computer ("home"). Occasionally, the tunneling software running on home crashes and the RDP port stops getting tunneled. I've attempted to resolve this by ...
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15 views

Tunneling all of the local traffic through SSH

I know I can do something similar to: ssh -f user@hostname -D bind_address:port -N to create a SOCKS tunnel. But is it possible to tunnel all of the network traffic that the workstation generates over ...
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39 views

Is it possbile to SSH in Linux from a 3G USB stick from T-Mobile with Raspberry Pi using a 3G USB stick T-Mobile

I want to make a SOCKS5 server from Raspberry Pi working on 3G USB modem, and I’m working on Linux from USB modem + VPN/SOCKS. I want to ask you guys, is it possible to do something like that? ...
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19 views

Reverse SSH tunnel all ports to LAN

How can I reverse SHH tunnel all ports on a remote server so any requests made by the remote server go through the client? E.g. client ssh into server server requests google.com request goes from ...
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17 views

Connect to ssh (port 22) through tunnel opend in putty - Windows -

I want to connect to a remote sever (host1) that accessible only from it's private network. Another server (host2) accessible from the Internet. I opened a tunnel to host2 using putty and tested it's ...
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16 views

Route all traffic via established (preferably SSH) tunnel

In our company we are using some kind of VPN to access our internal network. The Procedure is following (this works only on company's notebook with installed all security features): 1. Open web ...
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13 views

Rsync over intermediate computer with autossh tunnel

I have two laptops with dynamic IP and I am trying to copy directly from one to the other. Lets call them, worklaptop, homelaptop, workserver Worklaptop has a perminant tunnel to workserver by way of ...
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51 views

slow internet access when routing via a server (both using iptables NAT and ssh tunnelling)

I have a spare computer powered by a dual core intel atom N550 CPU and 2GB RAM (I will refer this as "the server"). It is running lubuntu 14.10 x86 (32 bit) with lightdm service disabled (hence, no ...
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41 views

Translate ssh tunneling command to Bitvise settings

With the help of an expert, I have set up a ssh tunnel. The sever side is all set up (I own the sever), and I can use the following command the set up the client side (on Mac/Linux): ssh -f ...
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31 views

How to create reverse dynamic ssh port forwarding

I'm trying to set up an ssh tunnel layout where: client A (not ssh-server enabled) initiates ssh connection to server S socks server is opened on server S:yyyy that tunnels all data via client A ...
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22 views

UDP tunneling over SSH does not work

I want to have UDP tunneling port:1812 (radius accounting ) over SSH. I use CentOS (radius server) and open-wrt (radius client). I did the same commands as follows but still it doen't forward ...
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199 views

VNC over Reverse SSH Tunnel or VPN?

Okay so I'm fairly new to SSH Tunneling, VPN, VNC, all that good stuff. *NOOB ALERT* I recently bought a Raspberry Pi and I loaded the Raspberry Pi release of Kali Linux on it. I have tried all day ...
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193 views

SSH tunnel freezes and says “administratively prohibited” when a domain cannot be resolved

So I am opening a SSH tunnel to a remote server to use it as proxy: ssh -D 10000 -N remote I use FireFox with FoxyProxy and it is working quite well. Except sometimes the tunnel freezes. A good ...
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41 views

using an ssh server's tunneling capabilities as a web proxy

With SSH you create a tunnel for a host at a time. With the tools available this is usually a manual process. So if you wanted to do SSH tunneling for, for example, google.com, you'd have to maybe ...
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67 views

Browsing through ssh socks proxy -> through reverse tunnel

I have HostA behind a firewall establishing a reverse ssh tunnel to HostB. I want to setup a proxy on HostB that will forward the connection through the reverse ssh tunnel and out through HostA. I ...
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208 views

An error when SSH Tunneling on Linux. I get error of “…bad id: …Received ieof for nonexistent channel”

Whenever I open an SSH tunnel on linux with the ssh command after visiting a few sites over the proxy I get this: channel_by_id: 3: bad id: channel free Disconnecting: Received ieof for nonexistent ...
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58 views

How to keep an SSH tunnel open in Windows

I use SSH tunneling to connect to a server (Basically IPython notebook instance) to do some computation work. My computations are intense and take need a lot of time to finish. Due to this, most of ...
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25 views

Using a tunnel to connect to another PC on my home network

How can I connect to another pc on my home network using a tunnel ? I have an ssh tunnel setup to my PC at home and I use it as an additional level of security when I conect over unencrypted access ...
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1answer
337 views

Why isn't openssl s_client passing my private key to proxytunnel?

I currently have HAProxy set up on my home PC and I am attempting to access it through a HTTP proxy. Currently I am accessing the SSH logon prompt like so: openssl ...
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1answer
245 views

OpenVPN over SSh port forwarding : can't redirect all trafic through VPN

I'm trying to escape my university wifi network rules with my Macbook (OSX 10.10). The university allows us to use a server, say bastion.univ.com, to mount an ssh port forwarding. I've an OpenVPN ...
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43 views

autossh random monitoring port

I have multiple reverse ssh tunnels and I am trying to grab a free random port for monitoring. The forwards work fine and in most cases, when there is a disconnect, it will automatically reconnect. ...
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38 views

Proxy to allow FTP and SFTP

I need to set up a system that allows FTP and SFTP to LAN users. In my company, we have 2 internet connections: normal one restricted one (provided by the ERP company): proxy that only allows ...
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193 views

range of ssh tunnel port

I use ssh tunneling with : ssh -i <my_file> -R *:0:localhost:80 <my_name>@<host>. With the port = 0, the server assign me a port. How does the server choose and how can I config the ...
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79 views

Linux session restarts when VNC viewer is closed

I open TightVNC Viewer on Windows and connect to my Linux machine. I am able to connect to the machine and see the login screen. I log in, start a console and launch a command that takes a long time ...
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37 views

connecting to Server via Reminna Remote Desktop

I am trying to connect to an ubuntu server via Reminna using RDP. I can connect via the command line with ssh -i privatekey.pem ubuntu@ipaddr But when I try to connect with Remmina using the ...
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50 views

Port tunneling from windows machine to Tomcat on AWS for Jvisuamvm

I have an tomcat server running on AWS EC2 instance. To profile my application sitting on this tomcat server, I am trying to use jvisualvm tool provided by JDK. I am taking the help of this tutorial ...
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72 views

Benefits of tunneling on an unrestricted network for SFTP purposes

If SFTP is already secured with SSH-2 without tunneling enabled, then what additional security benefit does tunneling give for SFTP purposes? Tunneling seems to be useful only as a proxy for SFTP ...
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96 views

SFTP without tunneling?

I am using WinSCP 5.5.5, which gives the user the choice of FTP, SFTP, SCP protocols for remote access to website files. I chose to use SFTP. My questions (indicated in bold numbers): 1. My ...
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34 views

Restrict access to port forwarding in ssh

Is there a way to restrict access a local port I opened so that only one IP or a range of IPs could access? Example: ssh IP -L 0.0.0.0:25:DESTINATION:25 I opened my local port 25 to another place, ...
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87 views

Can my SSH session be detected by sysadmin?

My friend gets faster internet in my university as he has some research scholar facilities.Our sysadmin has made sure this feature can be only accessed by a few machines with a particular MAC ...
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272 views

SSH Tunneling in Layman's term

What exactly is SSH tunneling? What is the difference between the terms: SSH Tunneling and Port forwarding? What is the exact difference between different types of SSH tunneling methods? Local ...
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3answers
61 views

I can ssh out but not in. Reversible?

I have an account on a server inside my corporate network. I also have a VPS from Linode. I can ssh from the corporate server to the Linode VPS or to my home computer with no problems. But thanks to ...
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237 views

What is the simplest way to download with wget in remote putty terminal using my local windows internet connection

I'd like to initate a download using wget in a remote putty terminal (i.e. an ubuntu server), but using my local windows internet connection. I guess there is two way to achieve this: run an HTTP ...
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172 views

How to share my puTTY SSH tunnel with another computer on LAN

I have SSH running on my home tomato router and connect to it successfully. I'm at a client and want one of my co-workers to be able to access a resource I have there and I tried having him connect ...
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41 views

How to configure SSH tunnel with same intermediate/end server?

I have read this question on SuperUser and the SSH section of the Debian handbook, and I am trying to do something similar. But there is a slight complication in that I really only have two servers in ...
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59 views

rsync over ssh tunnel: What does this repeated message mean? debug2: channel 2: window 1966080 sent adjust 131072

I'm rsyncing through an SSH tunnel (with ssh -vv). It's not very fast and I'm getting this message about every second: debug2: channel 2: window 1966080 sent adjust 131072 Once in a while I also ...
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78 views

tunnel all traffic of a p2p/DHT app through proxy to an external server

I am playing with http://telehash.org/ a protocol using DHT distributed hash tables, all its traffic is sent on a certain port (42424). And I want to do this while in my workplace where a ...
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1answer
2k views

Warning: remote port forwarding failed for listen port on Centos 6

I have a problem with port forwarding in centos 6, when i do: ssh -v -R root@hostname:19999:localhost:22 root@hotname I get this warning: Warning: remote port forwarding failed for listen port ...
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33 views

Set up ssh proxy on windows in the background and on startup

Currently I can tunnel my pc traffic through SSH by setting up a simple ssh proxy connection using CYGWIN like this: ssh -ND 8080 myserver.com but this involves a GUI which I dont really like. In ...
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1answer
61 views

Port forwarding does not work

I am connecting to office network through VPN. I have two servers A and B. I have ssh/tomcat access to A through VPN but not to B. When I ssh into A, from there I can ssh into B. Also, B is running ...
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22 views

Multihop SSH connections not showing up in lastlog

We all know that adding the following to your .ssh/config file will allow seamless ssh hopping through a gateway host: Host *.internal.workdomain.com ProxyCommand ssh gateway.workdomain.com nc %h ...
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37 views

SSH Tunnel to establish a connection to server “b” through server “a”

I've program "p", which gets data from server "b" and which needs a connection to server "b" at port 23500 to run. the problem is that I've to be in network/server "a" to connect to server "b". So how ...
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369 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 ...
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19 views

Tunnel RDP through four hosts

Host 1: (Fedora Linux) can access Host 2. Host 2: (Mac OSX 10.9.2) can access Host 3. Host 3: (RHEL) can access Host 4. Host 4: (Windows Server) Where I need to get to. Can anyone recommend a command ...
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42 views

ssh tunneling on multi systems

I would like to ssh-forward id_rsa keys from localhost through server 1 to server 2 On the localhost computer I have the id_rsa keys which get added to ssh-agent for forwarding to a remote server. ...
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1answer
263 views

What's the quickest way to setup a socks proxy tunnel through ssh from Mac OS X?

Very often, I find myself on a network with poor international link or with access to certain websites blocked. I already manage several VPS with much better connection to the outside world, and I'd ...
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108 views

Linux Bash SSH - Why won't my port forwarding tunnel command work?

The commands I'm trying are: ssh -vxNn -L 8080:192.168.x.xx:80 hostname@server ssh -vxNn -L 8080:192.168.x.xx:80 hostname@server Where the "x" is masked for security as is the hostname and server, ...
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180 views

Android SHH tunneling through school Wi-Fi

Ok so I'll try my best to explain the situation at hand here. My school recently got a new web filter that blocks literally, everything. I can't use Google Drive or anything that I need anymore. Our ...