An SSH tunnel leverages the SSH protocol to transport unencrypted data through an encrypted connection.

learn more… | top users | synonyms

1
vote
2answers
24 views

How do I resolve OpenSSH protocol mismatch? [closed]

I'm trying to get around a hospital firewall. I can SSH into my devbox on Port 443: ssh -L 8080:devbox:443 root@devbox -p 443 But I can't actually get the devbox to load in my browser. When I go ...
0
votes
1answer
24 views

Receiving incoming traffic without external IP and port forwarding

I have a virtual machine in the datacenter with an external IP. I can connect via SSH to this virtual machine from my desktop, but this virtual machine has no way of accessing any ports on my desktop. ...
1
vote
0answers
31 views

Can My Company Block Websites Though An SSH Tunnel?

I am trying to tunnel through a firewall on a client site so that I can reach my company email. I have created an SSH Tunnel using putty by adding a Dynamic port (6666) in the Tunnels then logging ...
0
votes
0answers
23 views

SSH into EC2 instance through a “bridge” instance

I need to ssh into an EC2 instance which can only be accessed from another EC2 instance. So I've tried something like this ssh -N -L -i target_instance.pem localhost:22:ec2-user@10.0.0.1 -i ...
0
votes
1answer
49 views

setup ssh a special kind of ssh tunnel

Ok so I have run into a pickle. I have a web application that I really need to demo this weekend. I can't demo it unless my sysadmin (who is off work) takes down client SSL authentication. There is ...
-1
votes
1answer
64 views

Proxy a remote web host to appear as localhost (via ssh tunnel)

I'm developing a web app that needs to embed pages from a legacy web app in an iframe, which needs to be recognised as the same origin to allow the page to mess with the iframe contents via ...
0
votes
0answers
44 views

Redirecting traffic through ssh tunnel

I'm trying to redirect the traffic coming from clients to external proxy server. I've the following architecture +----------------------------+ ...
0
votes
2answers
133 views

SSH tunneling in background

I'm trying to tunnel my production mongo server to my test server, so, I can perform some tests. I know I can simply establish a tunnel by ssh -L, but I need to run this as a background process as I ...
0
votes
1answer
49 views

SSH connection timing out on certain clients only

I have a server that has around 100 SSH tunnel connections active from client servers across Canada and the US. We use the same device that runs a custom build of Ubuntu and load that on each client ...
0
votes
3answers
78 views

MySQL access denied error when connecting via SSH tunnel

For months I've been connecting to the MySQL instance running on our local test server through an SSH tunnel without any issues. All of sudden though, with no changes I can think of, the server has ...
0
votes
1answer
57 views

SSH Tunnel - Proxy Not Working From Remote Location (Login is working)

I have just set up a Cygwin SSH server and successfully tunneled to it from a remote location. Logging in works but when I point my browser to localhost 8888 (sock 5), all connections are refused. ...
0
votes
0answers
26 views

SMB reverse port forward fails to connect

I have a rather complex server setup consisting of a reverse SSH tunnel through a Linux VPS. Namely, server A is a Mac Mini and runs a script which reverse tunnels to the VPS, which we'll call B. ...
0
votes
1answer
57 views

Apache / Tomcat AJP DNS failures when tunneling

I have a situation where I can access a private NAT-ed apache2.4 / tomcat7.0 railo4.2 server directly from the host or local network but when tunneling in through an SSH remote port forward the ...
0
votes
0answers
95 views

Multiple Reverse SSH Tunnels using Single Port

I am able to accept reverse SSH connections from multiple remote systems on a single server using a port for each connection: Remote A: ssh -fN -R5000:localhost:22 user@server-ip -p22 Remote B: ssh ...
0
votes
0answers
85 views

Mysql through ssh often can't connect or timeout

I have a MariaDB server (10.0.12) on a machine (Ubuntu 14.04) that other servers connect to through ssh for security purpose. The ssh tunnel is openned via autossh like so: autossh -M 3306 -f -Ng ...
0
votes
1answer
36 views

Cannot remote copy file via tunnel [closed]

I'm trying to get a file from server1 (localhost) with scp. I am accessing server1 from the gateway server2 (that is the only one accessible from the internet). I am able to open a ssh connection by ...
0
votes
1answer
66 views

Control outgoing interface linux SSH tunnel [duplicate]

I am using a simple socks proxy in my browser. I create the socks using ssh -D myremote.server Now all requests go via the primary IP address of myremote.server. Can I change this behaviour that ...
0
votes
2answers
59 views

SSH connection falling down

I've set up a connection with autossh that creates some tunnels at system startup, but if I try to connect, after successful login (with RSA key) connection fall down, here a trace: debug1: ...
0
votes
0answers
88 views

SSH Fails to Disconnect after Interruption

I have a set of issues, all combining to make for one nasty problem. The background: I have a server behind a firewall reverse tunneling using an external VPS (we'll call the server "the server" and ...
1
vote
4answers
99 views

Prevent closing of SSH Local Port Forwarding

I am running various services on an Ubuntu virtual machine running on Azure, and I would like to access some of the services remotely, even though the ports are not open publicly. To do so I have set ...
3
votes
0answers
22 views

restrict ssh reverse portforwarding per user [duplicate]

I have a server that needs to accept incoming ssh connections with portforwarding. The incoming clients request a port forward from a port on the server to a port locally. They authenticate using a ...
1
vote
1answer
1k views

how to connect to mongodb server via ssh tunnel

It was easy for me to connect to my remote mysql server on AWS using a sequelpro, however I'm struggling with doing the same thing with mongodb. I tried setting up an ssh tunnel via command line ...
1
vote
2answers
296 views

Setting up a tunnel with putty, jump server for using synergy

Long time ago I set up an environment where my Linux machine (LM) was a synergy server and my Windows machine (WM) the synergy client as described here. Since our admin put in a Linux jump server ...
1
vote
4answers
740 views

SSH remote port forwarding failed

Follow-Up: It looks like the rapid series of disconnects coinciding with a few months of running each server is probably coincidental and just served to reveal the actual problem. The reason it ...
1
vote
3answers
93 views

RealVNC SSH tunnel still warns of unencrypted connection

I'm using Putty and RealVNC to establish a secure connection to an OSX 10.9 server machine. I've tried to run this connection over an ssh tunnel I set up, but the client warns of an unencryted ...
1
vote
1answer
58 views

restrict shell commands for munin-node (netcat)

I've spent fair amount of day fiddling with this, and I'm about to give up (for today). I followed the instructions outlined here. All works at the moment. But to increase security I'd like to ...
0
votes
1answer
265 views

Number of SSH connections rises, and blocks data?

We have a client server setup, where the client sets up an SSH tunnel and uses port forwarding to send data to the server: ssh -N -L 5000:localhost:5500 user@serveraddress The normal number of SSH ...
0
votes
1answer
69 views

Access Internal Website from Public Internet

I have the current setup: laptop -> gatekeeper -> master_server -> my_machine There are 3 SSH's that I need to do to get to my_machine and I found a solution to do it in one step by editing SSH's ...
0
votes
1answer
120 views

RDP through SSH tunnel fails [closed]

I'm trying to set up RDP through SSH tunneling to an Amazon EC2 instance, but it is failing. I have set up PuTTY properly and can connect to the remote server via RDP and log in, but after successful ...
1
vote
1answer
83 views

Using a reverse tunnel to access a firewall-ed web server serving HTTPS

I have a device ("A) on my network that only serves content via HTTPS, it's not accessible as its behind my router/firewall. I have another machine ("B"), elsewhere on the internet (fake IP of ...
-1
votes
1answer
67 views

SSH through another machine at work to an external server [duplicate]

I'm fairly sure this will have been asked before, I have found similar questions but I do not fully understand how to apply them to my situation. So, sorry for asking again. We have a number of ...
0
votes
2answers
133 views

HTTPS SSH Tunnel

Ok so I have a web server, lets call it Server A, which is providing a service via HTTPS. And I have an SSH gateway server, lets call it Server B. Due to firewall rules I cannot access Server A's web ...
2
votes
1answer
719 views

How do I configure pfsense as an outbound VPN client?

We use pfsense as a router/firewall. Because we're based in China, it is useful for us to have VPN access for all our internal clients. Instead of each individual client connecting to a VPN server ...
3
votes
1answer
161 views

How to make ssh fail if port forwarding fails

I have a bash script that runs ssh to create a port forward, using a command like this: ssh -N -i keyfile -L 1000:localhost:22 *remote_ip* There are occasions where the listen port may be busy, so ...
1
vote
1answer
42 views

SSH: Local Server has public IP; Remote doesn't

Local machine has a public IP. The remote machine is running at a clients site. I have full access to this machine, but it does not have a public IP. At the moment we're using TeamViewer to remotely ...
1
vote
2answers
154 views

SSH Tunnel or Reverse Tunnel

I'm trying to establish a SSH tunnel to allow VNC/ARD connections (ports 5900 and 3389). However I'm uncertain about a certain thing: Let's say machine A has IP 192.168.103.1 and has services running ...
0
votes
0answers
78 views

How to set an ssh+svn subversion on a VPS with Plesk?

i'm using this tutorial to set an Tunnel for my subversion. But while im connecting there is an Error on my SSH Panel. I took a look into the log and i saw this : svnserve: Can't read encryption key ...
-2
votes
1answer
644 views

Impossible to connect ssh /root/.ssh/known_hosts': No such file or directory

I can't connect to my server with ssh. I have already started a session with ssh but i know if i quit this session, i won't be able to connect again to my server. ssh root@genese.com ...
0
votes
0answers
81 views

Establish an SSH Tunnel out from behind a firewall

I have a box sat behind a firewall, and when its powered on (or internet connection resumed), I want it to connect to a server, allowing me to do a reverse SSH connection back to it. I'm currently ...
2
votes
2answers
286 views

SSH port tunnel disconnects with “select: Invalid argument”

I am tunnelling into a remote server to access a private api. I am using the following command (by typing it into Terminal) to forward a single port: ssh -L $local_port:$host:$port -v. Tried many ...
0
votes
0answers
86 views

Write failed: Broken pipe even if I use ServerAliveInterval?

This is my ~/.ssh/config file - Host 10.2.1.1 ServerAliveInterval 120 ProxyCommand ssh 10.1.1.1 nc -w1 10.2.1.1 22 I've configured it so that I can bypass the jump server each time I need to ssh ...
0
votes
1answer
79 views

Reverse SSH Tunnel Failing - Looking for Debug Advice

I have a Mac OS X server (referred to as the internal server behind a firewall that is reverse port forwarding via ssh -gnN -R *:remoteport:localhost:localport root@remote.server where remote.server ...
0
votes
1answer
803 views

Tunnel windows VPN through SSH

Ok here is my issue... I want to connect to a VPN via pptp on Windows XP however it is behind a firewall that I have no control over. I am able to make SSH connections. I wish to VPN to a server I ...
-1
votes
1answer
50 views

Prevent SSH Session Eavesdropping through a Bounce Host

In order to access a Linux host through a firewall/NAT I am required to use an SSH "bounce host". I am concerned with the possibility that this bounce host may be logging my SSH session. In a test ...
0
votes
0answers
48 views

SSH Tunnel not working, but not able to find the point of failure as it worked previously

I am having an odd issue wherein suddenly port forwarding stopped working in a particular scenario for me. By default I need a particular port forwarded on all servers I manage and so I have the ...
3
votes
1answer
262 views

cannot connect to mysql on AWS through ssh tunnel

I'm trying to break down the task of doing AWS debugging on rubymine into smaller chunks. I would like to connect to the mysql server running on AWS. So I did the following: first: Establish an ssh ...
1
vote
1answer
342 views

Forwarding VPN via reverse SSH tunnel

I have a server that reverse ssh tunnels to a secondary server. The secondary server then acts as a "bridge" to the internal server (the external server's IP address is what I connect to). This works ...
5
votes
3answers
548 views

Copy data through SSH tunnel over multiple hops

We have two main environments in question: Development and QA Each environment has two servers: Jump Box Application server In order to connect to the application server, you must connect to the ...
0
votes
0answers
88 views

Forward SOCKS proxy through 2 SSH Reverse Tunnels

I'm attempting to connect to one network's internet connection from another network, kinda a VPN but unfortunately is not possible. I can't have the ports open for any of the 2 networks for port 22 ...
1
vote
2answers
310 views

How to configure ssh tunneling with Putty between two RHEL servers?

I'm trying to allow ssh access from a remote RHEL server to a local RHEL box via Win/Putty gateway. Basically, I'd like to be able to do 'ssh localhost -p 512' on a remote server so that it would ...