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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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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21 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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31 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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42 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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4 views

Connecting remote H2 embedded database [migrated]

Is there a way to connect to an H2 database, which is running in automatic mixed mode (AUTO_SERVER=TRUE) inside a web application, from another machine over SSH tunnel?
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35 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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14 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
39 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
97 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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27 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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32 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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2answers
91 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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52 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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25 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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31 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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2answers
61 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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1answer
61 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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1answer
30 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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66 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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3answers
219 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
47 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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2answers
159 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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1answer
113 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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32 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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36 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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56 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
1k 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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26 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
52 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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21 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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1answer
34 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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304 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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17 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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1answer
37 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
172 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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1answer
86 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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131 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 ...
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34 views

Debugging through VPN on a VM

My laptop runs Windows 7. I run various Virtual Machines to encapsulate my VPN connectivity and keep client environments separate as much as is convenient. In this case, the virtual machine is Ubuntu ...
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1answer
95 views

Prevent multiple ssh-tunnel to same port and ip

Im creating a few ssh-tunnel connections to a remote system with this command: ssh -R port:localhost:2222 user@ip If this command is now execute multiple times, it will create every time a new ...
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1answer
187 views

Remote desktop to server through an intermediate computer

I have access to 3 machines: A(Windows 8, on which I am admin), B(Old Ubuntu distro on which I am root), and C (Server running Ubuntu, on which I am NOT root). I need to remote desktop from A to C. ...
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348 views

Windows connect to FTP over SSH tunnel

I need to secure connect to my disk in home server from Windows computer where I do not have administrator rights. Windows support FTP and WebDAV. WebDAV support is strange... Windows 7 support only ...
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69 views

DNS tunneling through an SSH connection looses connectivity

In the article 'UDP traffic through SSH tunnel', it is described how to tunnel DNS trough a SSH tunnel: client# ssh -N -L 6667:localhost:6667 user@server server# mkfifo /tmp/fifo server# nc -k -l ...
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1answer
60 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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2answers
73 views

Work is blocking an SSH connection, what is the easiest workaround?

My work laptop/network is blocking an SSH connection (that I can make with my cellphone so I know it's valid)? What is the easiest away around it? I'm fine with a small fee to reroute or whatever. ...
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1answer
1k views

Route teamviewer desktop client through SSH tunnel in PuTTY?

I'm trying to route the TeamViewer desktop client through an SSH tunnel I've made using a home server (with DD-WRT) and PuTTY on my end. In PuTTY, I chose port 1080 to Dynamic range, so it works fine ...
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46 views

Cannot port through CISCO router

I am running Windows Vista, and using RealVNC viewer to try and ssh tunnel into a server. Furthermore, I am running the VNCviewer on my laptop (which I normally do not bring to work). I keep getting ...
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214 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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37 views

Is it possible to establish full VPN between 2 windows machines using ssh tunneling

Okay, I have asked this question in a different way Here but I am confused and wanted to ask it in a different way: Is it possible to establish a VPN connection between two windows machines using no ...
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1answer
466 views

How can I mosh over multiple hops (for example, via tunnel or ProxyCommand)?

I have a system that I can only access via multiple ssh logins. I recently found out about using ProxyCommand or SSH tunnels to make the connection transparently. Is it possible to mosh instead, and ...
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1answer
331 views

Unable to SSH to one server but able to ssh to amazon ec2

I am behind a firewall which restricts access to Internet and the only way we are allowed to access the Internet is via a proxy service via port 8080. Now, I am using corkscrew and it is allowing me ...