An SSH tunnel provides an encrypted channel based on the SSH protocol.

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ssh connection hangs when looking up a SERVFAIL domain

Scenario: I am browsing the internet through an ssh -D port-forwarding tunnel, both browsing (http, https, ...) connections and domain lookup queries are done using this SOCKS 5 local proxy. The ...
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79 views

ssh local tunnel to VM

So, can anyone explain why this doesn't work? Everything from remote host (192.168.1.3): ssh -L 9000:192.168.1.2:80 login@192.168.1.2 elinks http:127.0.0.1:9000 and I can see a web page. other ...
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72 views

IBM AIX: How do I set up SSH X forwarding on an unprivileged user with no home?

Long story short: I have an AIX server where my user is unprivileged and has no home directory, and it is not easy to fix this because OS-level management of this server is outside of my jurisdiction. ...
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2answers
371 views

How to bring back SSH session that was started with the -f option (run in background)

I'm pretty lost on this. From the man page: -f Requests ssh to go to background just before command execution. After starting SSH with the -f option, I have a working tunnel. But after I ...
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2answers
104 views

Unable to force passphraseless ssh authentication while port forwarding

I'm completely at a loss as to what is preventing my local machine from authenticating the connection that is being forwarded from the remote server. I've read a ton of the posts on here regarding ...
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170 views

Disable SSH Tunnel with KVM VNC Server

Here at work we've set up a KVM server that hosts a couple guest machines. The KVM itself is headless and we remote into whenever needed, but we would like to be able to VNC into the guests. I have ...
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467 views

Tunnelling VPN through SSH mac

I have a pptp VPN server set up on my Raspberry Pi at home, and it works really well, except when I'm stuck behind my college's firewall. I can SSH into it through commonly open firewall ports (443, ...
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247 views

Reverse tunnelling with “stunnel” in linux

Scenario: Central Log-Server(logserv)- only private IP interfaces Multiple client servers (logclient)- has public IPs. Requirement: Need to tcp logs of syslog application from various logclients ...
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SSH -L Tunnel no longer working

Local machine running my scripts needs to access a remote server's DB. Last week I could do, on the local machine ssh -f -N -T -L1081:localhost:3306 ueser@remoteserver -p2222 on the local machine: ...
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1answer
35 views

Connect to LAN resource via ssh tunnel

I have the following problem. From machine A I connect to machine B over the internet via ssh and port forwarding. Machine B is part of my local network and has connection to machine C which acts as a ...
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1answer
32 views

Supply additional ssh options in config file

How can I supply additional options in .ssh/config? I know that information like Host, Port, User etc. may be used in the ssh-configuration file to abbreviate ssh commands. I frequently create ...
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1answer
60 views

How to forward port after tunneling

Today I have read this question and answer (How does reverse SSH tunneling work?). I tried it out and it worked perfectly however I want to know one thing. Say I have a web server running on port 8000 ...
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1answer
21 views

SSH tunnel to VNC on a Windows 7 system. Error: Tunnel device open failed

The system I'm trying to SSH from is Fedora 20 x86_64. The system tunneling to is Windows 7 Ultimate 32-bit and it has Cygwin installed with TigerVNC and OpenSSH. VNC is running on Windows 7 on port ...
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1answer
65 views

Multiple SSH tunnel through raspberry pi?

In my home network I have a PC, raspberry pi, macbook and a few other devices which I want to access away from home. As it stands, I have setup VNC server on my PC along with remote desktop and have ...
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1answer
846 views

Remote desktop (KDE) over SSH reverse tunnel

I have a reverse ssh tunnel through a middleman server set up and working. I'm running Kubuntu 12.04 here and on the remote machine. I want to open a remote desktop session. Until now I've been ...
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1answer
135 views

Using ssh_alias with ssh tunneling

I am using ssh tunneling to login to system behind gateway. Problem is that I have ssh_alias defined in ~/.ssh/config on gateway server. Where I have key and ip setup. But those alias don't work ...
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1answer
204 views

How to run svn when ssh over ssh?

I need to run sudo -u wwwrun sh -c 'svn status -uq /srv/www/htdocs/loquat' over ssh. When using one ssh it works smoothly. Now there is one server that needs to be connected through another server via ...
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1answer
34 views

Error “ssh_exchange_identification” with Corkscrew

I'm trying to reach my ssh server (i'm behind a corporate proxy) so I tried to use Corkscrew. My ssh server is listening on port 443, I put sshd: ALL in my /etc/hosts.allow and there's nothing into my ...
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29 views

SSH tunneling via few hosts [duplicate]

That question is'n only about Unix/Linux - but contain something... So - given: host1 with TeamCity server running on 8111 port; host2 which will be "ssh-proxy" between client and host1. From host1 ...
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1answer
124 views

SSH reverse tunnel works except when I use a VirtualBox instance at one end. Why does VB break SSH?

VirtualBox seems to break my SSH ProxyCommand... here are the details: I want to open an SSH connection from my laptop to desktop over an SSH (reverse) tunnel. I want to do that in one step using ...
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1answer
309 views

How can I mount a remote sshfs directory of an publicly inaccessible server on my inaccessible client machine?

This is an extension of the question by @Andrei How to mount remote SSHFS via intermediate machine? Tunneling? I'm in the same situation that I want to mount a remote directory, however the ...
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1answer
140 views

General Setup on remote programming

I have the following 3 units A laptop that runs both MAC/Ubuntu A home-based server with Ubuntu desktop version A wireless router which I got from the provider that does not have that much ...
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134 views

Xdebug not working over a reverse shell

I've opened a reverse shell to my remote server to tunnel port 9000 to my local machine like this ssh -R 9000:localhost:9000 you@remote-php-web-server.com but but it doesn't work. The reverse shell ...
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203 views

Problem in using SSH tunnel

In a network, due to a reason that I don't know, I can't browse the web in Linux(In windows it has no problem). I get Error 301 moved permanently when I try to load a web page. I decided to bypass ...
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1answer
42 views

Understanding interface forwarding with VPN

I have a server with static IP address that I rented (Debian on it), and I have a server with a server at home which I bought and setup as home server (with Ubuntu Server). What I would like to do ...
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1answer
63 views

Double port forwarding - SSH

NOTE: I'm not explaining why I want to do this. But here is the requirement. There are 4 hosts. Host A, Host B, Host C, Host D Host A is running some application which can be accessed at port 8001 ...