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.

learn more… | top users | synonyms

1
vote
1answer
55 views

Make a program use other ports

My school network is behind a very strict firewall, and I can't connect my e-mail and other programs. Are there any ways to avoid this problem?
2
votes
1answer
2k views

What's the principle behind OpenSSH subsystems (or command= option)?

In OpenSSH one can declare a subsystem in the configuration file (/etc/ssh/sshd_config) or force a command such as svnserve to be executed by including this in the authorized_keys line for a ...
0
votes
1answer
723 views

ssh port forward

I wanna connect to a group of machines using a specific machine using ssh tunneling. But in all solutions found, I need to specify a entry per machine in my ssh config file. I would like to use a ...
0
votes
1answer
312 views

How do I tunnel SSH through 2 hosts?

I'm working from a network that blocks some high ports which prevents me from SSH'ing into my Windows machine on my home network from my Mac. I normally use the following command to establish a tunnel ...
0
votes
1answer
581 views

“noshell” for ssh proxy users

I like to setup a special ssh user which is only allowed to tunnel web traffice through my server. I do not want to make an open proxy. This brings me to my question: Is there a "noshell" shell for ...
11
votes
2answers
4k views

Differences between ssh -L to -D

I'm trying to understand the differences between ssh -L to -D. Is there anything else except for that -D is SOCKS only? Thanks!
0
votes
2answers
619 views

Web browsing through SSH tunnel gets stuck/clogged

I use tools like Tunnelier to log into my home Tomato router through SSH, and then use it as a proxy for web browsing, tunnel for Remote Desktop/VNC, etc. Most days it works great, but some days ...
2
votes
2answers
306 views

How to do complex port forwarding (sort of)

I have a very different situation. My laptop named A, another machine B(ip-172.16.28.3) with ssh server installed and i have an account on that machine, the third machine C(ip-172.16.24.3) is a proxy ...
0
votes
2answers
619 views

SSH behind proxy ?

What is the best way to SSH to my sever behind company proxy , it seems that 22 port is not opened by default , is there any simple way to do that rather than to install corkscrew ?? When I do : ✗ ...
0
votes
1answer
159 views

ssh to remote host on mac

it looks like a simple case, but I cannot make it work. We have an internal CI (Continous Integration) application running on our internal server (lets say its address it ciserver.com and the ...
5
votes
3answers
2k views

How to script a database migration using an SSH tunnel?

I am trying to create a sync.sh script that coordinates with our less-than-ideal version control for our website. This script will migrate a live copy of the database to our development environment ...
3
votes
2answers
4k views

chrome socks proxy through ssh forwarding timeouts

I'm attempting to forward all traffic through from Google Chrome through a SSH tunnel. When Firefox is configured to use the tunnel, it works. When chrome is launched with the proxy args appended, it ...
0
votes
0answers
435 views

Tunnel my ssh connection to a Linux server via a remote windows server(2003)

I am trying to connect to a linux server from my local windows machine. But the linux server can only be accessed via another windows server machine. So now I am doing: Local windows ...
2
votes
1answer
2k views

How to run a putty ssh tunneling as Windows service?

In Windows XP or above, I may run a shell command putty.exe -load ssh_tunnel to start a ssh session configured as ssh tunneling. I want to ssh tunnel session become available when my computer ...
0
votes
3answers
210 views

Reach computer behind a NAT or Proxy

I have a home PC connected through twoway satellite modem. I cant reach from outside, so after a some research I found a solution which is reverse ssh tunneling. but I have a few question regarding ...
1
vote
1answer
1k views

ssh tunnel via specific interface

Client -ssh-> Server --> Internet Normally I initiate an ssh tunnel with: ssh -D 1337 admin@nas On the server I have two interfaces: eth1 and ppp0. Right now it uses eth1 when tunneling, but ...
1
vote
1answer
736 views

Running into errors reattaching to a GNU screen session that tunnels X over SHH

After tunneling X over an SSH connection using screen on the remote, how can I reattach the screen session from another machine and tunnel X to that other machine? I either get "cannot open display" ...
0
votes
2answers
132 views

How can I `ssh -X host` into a Windows 7 machine and have Windows apps open in Gnome?

How can I ssh -X host into a Windows 7 machine and have Windows apps open in Gnome like they would if I were ssh'ing into another Linux machine?
5
votes
2answers
5k views

Accessing IPv6 addresses through an SSH tunnel

I have a remote Arch Linux server which has IPv6 enabled (through Tunnelbroker, I am able to do ping6 ipv6.google.com successfully) and I want to know if it's possible to use PuTTY on my Windows 7 ...
0
votes
1answer
574 views

ICMP Tunnelling IP vs Tunnelling TCP?

Could someone please explain the difference between tunnelling IP data using ICMP packets and tunnelling TCP data via ICMP? Obviously I know this is going to be something relevant to the different ...
1
vote
1answer
1k views

SSH tunneling along with Tor

I've been reading about Tor and it's benefits regarding anonymity, but I've also researched its problems. If I understand correctly, when I access a website using Tor the packets are secured using 2 ...
1
vote
1answer
240 views

Limit URL's accessible over a SSH Tunnel

I have a server and I want to offer a tunnel through this server to some of my friends. But I want to limit the sites they can access using this tunnel. My plan was to create a user account without ...
3
votes
1answer
982 views

How to keep ssh connection alive?

Sometims I need to keep ssh connection alive for hour or even more. Mysql big dumps or big TAR archives, for example, may require persistent connection for a long period of time. But Iam keep ...
7
votes
3answers
5k views

SSH Reverse socks tunnel

ssh -D can make a socks port at local machine, which pass the traffic to the remote, then to other places. ssh -L port:host:hostport, listen port at local machine, pass the traffic to "host:hostport" ...
1
vote
1answer
240 views

Which SSH config option stops me from SSH'ing through a SSH tunnel?

I am trying to connect directly to a my work computer (work) which is only available via an outside server (outside). So, the network path is: home » outside » work Ideally, this should work: ...
3
votes
3answers
6k views

uTorrent and PuTTY -> How to turn the connection into an active one?

There is an active, and passive mode when we talk about torrent. Passive, is when you can't connect to the peers actively. Active is when your ports are forwarder, and others can connect to you. ...
4
votes
5answers
484 views

Multiple command prompts with one SSH connection?

I have a need to do a lot in vim on a remote server which I need to SSH into. I find that it is best if I can look at multiple documents in multiple windows on my desktop, so to do this I open two or ...
0
votes
1answer
749 views

SSH tunnel over 2 servers

I used the following command to create a tunnel from my system to server1 and from server1 to server2 to have a tunnel from my system to server2 ssh -t -t -L4450:localhost:5590 user1@server1 'ssh -L ...
1
vote
1answer
162 views

How secure SSH dynamic port forwarding?

I'm using SSH's dynamic port forwarding to host a socks proxy on localhost. I'm trying to find out if the connection between my computer and the remote server/destination is secured. Will my ISP or ...
1
vote
1answer
230 views

How do I create a service that directs traffic to an SSH tunnel?

I have the following scenario: A service listening on port 6678 on Computer C Only computer B can access computer C via ssh Computer B is accessible globally I would like to do the following: ...
8
votes
2answers
3k views

An equivalent of ssh port-tunneling for Windows servers?

my home is Linux servers where SSH can always be used to get around a slightly-too-restrictive firewall. At work however, all of the servers we deal with are Windows based. I'm needing to connect to ...
0
votes
3answers
807 views

Would it be possible to create an SSH tunnel through a mobile phone call?

I was thinking the following: A lot of phone companies give you a couple of phone numbers that you can call for free. Suppose we have 2 mobile phones: P1 = Phone 1 P2 = Phone 2 P1 have free calls ...
1
vote
1answer
2k views

How to encrypt SOCKS5 traffic?

When I use my laptop in open Wi-Fi networks I want to tunnel all my TCP/IP traffic through a SOCKS5 server running on my VPS. I'm using Windows 7 and Proxifier in order to tunnel ALL traffic through ...
2
votes
1answer
330 views

What is the most MTU efficient way of creating a network tunnel?

I am currently using SSH tunneling to connect to the internet via a remote computer using the -D ssh argument. I've recently run across a problem with this solution -- the SSH protocol decreases the ...
8
votes
2answers
2k views

Dropped ssh/X session, how to pickup where left off?

I am VPN from a Linux box to another. I log in to the other box with ssh -X. I open an X window/program in an attempt to do a software installation. The painful truth is that this software cannot be ...
1
vote
1answer
533 views

SSH tunnel connection refused

I have a remote machine (IP XX.XX.XX.XX) which runs an app written in python/cherrypy which opens a port for http connections on the loopback interface. If I login into the remote machine (using ssh) ...
5
votes
2answers
6k views

How to make remote connection (ssh tunnel) with putty/ssh?

I am trying to make a tunnel between a server and laptop with Putty. The problem is, since the laptop has no public IP adress, I have to make a reverse connection. But I really dont know how to do ...
5
votes
2answers
1k views

All client outbound SSH is being blocked … are there any workarounds?

I want to ssh out of a machine running a client to connect to an SSH remote server. The reason I need this is to port forward/tunnel and get an open connection to an application on the client. The ...
2
votes
2answers
932 views

If I route traffic through a SOCKS proxy, does the remote host do the DNS lookups?

I sometimes route my Web traffic through ssh using a SOCKS proxy. The purpose is to have all traffic be encrypted. The way I do it is to open up a terminal and run this... $ ssh -v -C -N -D 9000 ...
3
votes
2answers
2k views

scp through intermediate server

I need to copy a file from a computer I can only access via SSHing into an intermediate computer. Home -> server.com -> cluster.com I'm trying to copy from cluster.com to home. I can ssh from ...
2
votes
1answer
537 views

Squid3 to use a parent SSH SOCKS proxy?

I would like to have a local squid3 server to use the forwarded parent SOCKS port 9999, and serve local users at local server port 3128 to avoid govt censorship... I have SSH tunnel forwarding a ...
6
votes
1answer
3k views

SSH as socks proxy through multiple hosts

Can the following be achieved with SSH. There are three machines involved: A. My local machine at home B. The SSH gateway server at school C. A workstation in a lab, only reachable through B I ...
4
votes
2answers
3k views

SSH tunnel to home network, and access router web interface

I'm trying to use an ssh tunnel from a remote location to connect to my home network and access the router web interface. I have SSH access to the home network, and I can connect to the gateway ...
1
vote
0answers
130 views

Limiting users/groups to certain ports through SSH, and chroot jail if necessary

I have a private linux box (Ubuntu 10.04) which is running various applications, many of which I access remotely using local forwarding. Now I would like to provide access to a third party, however I ...
2
votes
1answer
769 views

How do I set up an SSH tunnel to connect to a proxy?

I have two machines S and C that are on a local network. The way to access Internet from any machine on the network is to use a web proxy, Squid3 is being used. So I can log in to the proxy from only ...
0
votes
0answers
65 views

Access internet through another machine [duplicate]

Possible Duplicate: How to share Internet Connection in Ubuntu I have two machines, both running Ubuntu. Both the machines are on a local network. I am behind a proxy server and am required ...
5
votes
4answers
234 views

Secure Connection from Insecure Computer

I am going to be traveling out of the country to a pretty questionable area and I would like to be able to access my online banking while I am away. If I were taking my own computer, this wouldn't be ...
1
vote
2answers
3k views

SSH connection between two behind-nat computers through third public-ip computer

I have a computer at home (home-server) that runs irssi, rtorrent etc. My ISP is blocking every traffic from outside (dumb, I know, but it's the only ISP I can have). I want to be able to log in into ...
1
vote
1answer
4k views

Use a Socks5 Proxy in Flash Player

Hello, I'm using PuTTY to create a Socks5 Proxy via SSH. It works great in firefox. But Adobe Flash Player does not seem to use it at all, how can I route my traffic to my server in Flash? I am ...
1
vote
1answer
1k views

Tunnelling from one SSH connection into another one

I have a machine called ic that I can ssh to. There is another machine, fw, that is on a completely different VLAN, and I cannot talk to it. ic is on both my VLAN and the VLAN that fw uses, and so my ...