An SSH tunnel provides an encrypted channel based on the SSH protocol.
0
votes
0answers
16 views
For some reason “sudo ssh -w any -o Tunnel=ethernet root@remote” creates tun devices instead of tap devices
To connect multiple tunnel endpoints to a common bridge interface, I have to create a Layer 2 tunnel over ssh. The server is Ubuntu 10.04, the client is Ubuntu 14.04. I have enabled
PermitTunnel yes
...
1
vote
1answer
30 views
SSH tunnels force new tunnel and kill old session
This is the situation:
I have a Linux server running Ubuntu server 14.04 to which multiple computers connect and authenticate with SSH and try to open a reverse tunnel. These computers usually do not ...
1
vote
1answer
49 views
Use HAProxy to tunnel SSH through https
I have a server with Apache webserver on it and many websites running on http (port 80) and https (port 443). I would like to use a proxy on port 443 in between Apache and the user. In this page, ...
2
votes
2answers
52 views
ssh reverse tunnel with remote ip
From a server 192.168.0.1, I'd like to reach a server 192.168.0.2 on port 80.
192.168.0.2 can reach 192.168.0.1, but 192.168.0.1 can't reach 192.168.0.2 (firewall).
I have set up a reverse proxy, by ...
0
votes
2answers
47 views
tunnelling ssh through ssh
I have a situation where I have a Windows 10 virtual machine running under VirtualBox on my linux desktop. This virtual machine (and at the moment only this virtual machine) can establish a VPN ...
1
vote
1answer
20 views
Is it possible to run a thin client in virtualbox?
I have a Mac laptop for work. I would like to keep my personal stuff off of my work computer. Obviously I can just ssh to my home computer and/or tunnel X using Quartz. But this always feels clunky, ...
0
votes
0answers
15 views
ssh tunnelling with and without PuTTy
I want to perform ssh tunnelling for which I have been using PuTTy. Config is as follows:
Host IP: 172.XX.XX.111
Port: 22
Tunnel setting source port: 19005
Destination: 172.XX.XX.40:1521
After ...
1
vote
0answers
27 views
Equivalent autossh command?
I am using the following command to setup an SSH tunnel to a remote server. I am using Ubuntu 15.10, and the remote server is running Ubuntu 14.04.3.
ssh -N -f -L localhost:7154:localhost:7154 ...
3
votes
0answers
102 views
Why can't I execute an SSH command on a remote host?
I'm accessing a remote host via a jumpbox. I can easily access the remote host if I access it via an ssh shell:
ssh remoteHost
Last login: Tue Feb 16 12:56:26 2016 from xx.xxx.xx.xx
...
1
vote
3answers
33 views
Understanding, and viewing, how ports are allocated by ssh tunnels?
I was trying to figure out a small problem with connecting to vnc through an SSH tunnel today where one of the possible issues was that someone else was already tunneled to the port. Without going ...
1
vote
0answers
20 views
Can I change owner of a tunnel after creating it?
I've been trying to finagle pytun to do my bidding in creating persistent ssh tunnels, but I very much do not want these to be owned by root and unless I modify the python package myself (which as a ...
0
votes
1answer
59 views
Unable to establish an SSH tunnel using Redis Desktop Manager
I am trying to connect to an Elasticache Redis Server via an AWS Ubuntu instance and using an ssh tunnel. When I try to configure Redis Desktop Manager to connect via an ssh tunnel and provide ...
3
votes
2answers
56 views
Multi-hop socks proxy, how to?
I'm starting from a suggestion to use jvisualVM via SOCKS. However, I have a somewhat complex topology.
Starting from my laptop, I have two intermediate hosts to get through to reach the machine I ...
4
votes
1answer
75 views
VPN server (beachhead) without root?
How can I set up a VPN server on a host where I don't have root?
I have the following constraints:
On the server A, I have no root. I can only operate in my home directory. In particular, I also ...
1
vote
1answer
33 views
Confirming that a reverse ssh tunnel has been established
I have a reverse ssh tunnel established between a client and a server computer. The client connects on the server on port 22, and creates a reverse ssh tunnel on port 4030.
After the client computer ...
-1
votes
4answers
96 views
Ssh into a remote server, but my organization has blocked port 22
I am using Redhat Openshift server to deploy my webapps.
To access the contents of my application I have to ssh into their server.
Example
ssh [email protected]
...
0
votes
0answers
23 views
How to get informed about EVERY incoming ssh connection (e.g. with no remote command specified)
The case
I'm used to set up automatic reverse ssh tunnels to remote computers via my server with cron.
Usually I use the following entry:
@reboot sleep 300 && ssh -MNf -R xxx22:host:22 ...
2
votes
1answer
55 views
Why doesn't FTP work through my ssh tunnel?
Computer A (assumed that ip is 44.44.44.44)can ftp the host 130.89.148.12.
ftp 130.89.148.12
Connected to 130.89.148.12.
220 ftp.debian.org FTP server
Name (130.89.148.12:debian8): anonymous
331 ...
0
votes
0answers
19 views
Trying to make a SSH Tunel [duplicate]
I configurated a bastion server on AWS on my public subnet.
I can make direct ssh to the ec2 instance inside the private subnet, using the bastion host.
I can connect to the bastion host and check ...
0
votes
2answers
52 views
set up secure connection over SSH
I'm setting up a server application which requires to establish a secure connection over SSH2, e.g. a client must open SSH2 connection to the server to reach specific application:
% ssh -s -p5000 ...
0
votes
0answers
18 views
How work tunnel to gnome connection manager
Someone using gnome connection manager? (http://kuthulu.com/gcm/?module=home&lang=). I need setup the tunnel for connection but i don't understand how to configure, help please!
0
votes
1answer
73 views
“channel 3: open failed: administratively prohibited: open failed” when creating a VNC session on a SSH tunnel
On creating a VNC connection via tunneled SSH connection, I get an error:
channel 3: open failed: administratively prohibited: open failed
I have found that this happens only when I'm not logged ...
0
votes
1answer
31 views
SSH tunnel between 3 box to get internet access
The network looks like this : Server X -- My machine -- Server Y
My machine has SSH access to both boxes. Server Y has internet but not server X.
How can I make a tunnel so server X can acces the ...
1
vote
0answers
78 views
Why MS Sql port (1433) forwarding does not work over http_connect proxy?
I have a windows machine with putty, which has access to ms sql server on local network. And i have a remote Ubuntu machine on the Internet with sshd on 443 port (required to establish secured ...
1
vote
1answer
75 views
How to use SSH tunnel to connect to remote MySQL server?
I am trying to connect to remote MySQL server, which runs on CentOS 6.6 cPanel server.
I am creating tunnel this way:
ssh -L 3306:xxx.xxx.xxx.xxx:3306 [email protected] -p PPPPP
Where ...
3
votes
1answer
64 views
setting up SSH reverse tunnel [duplicate]
I have the following setup:
I would like to be able to ssh or vnc from home computer to work computer. I think that I could setup some permanent ssh (reverse) tunnel to get this all going, but I am ...
2
votes
0answers
34 views
SSH - Unable to access local forward from another host
I have a VPS with 2 public IPs (assume 1.1.1.1 and 1.1.1.2)
I am trying to do a local tunnel to my router on my VPS bound to the second IP, and then access it via another machine. I do the following ...
1
vote
1answer
50 views
ssh tunnel and oracle
On oracle server i can connect clear
sqlplus user/pass@hostremote/SID
If i make a tunnel
ssh -L 1521:localhost:1521 -F -n hostremote -vvv
give me
debug1: Connection to port 1521 forwarding to ...
1
vote
1answer
34 views
Keeping an SSH tunnel up while my system is up - init.d service or something else?
I use an SSH tunnel on my host computer daily; but so far I've just been manually using some terminal just for that: Entering
ssh -D 5001 [email protected]
at the command line, and redoing it if ...
0
votes
1answer
37 views
Port forwarding error
I am trying to use VNC on my KVM guest, following this guide:
http://blog.scottlowe.org/2013/08/21/accessing-vnc-consoles-of-kvm-guests-via-ssh/
This is the ssh command I am using from my host:
...
1
vote
2answers
280 views
Reverse SSH “Connection closed by ::1”
I try to establish a remote ssh connection.
I tried to connect "Remote" with ssh -fN -R 10110:localhost:22 GatewayUser@GatewayHost
and "Gateway" with ssh -p10110 RemoteUser@localhost
I got the ...
1
vote
0answers
26 views
Having troubles connecting through tunnel to a server
Since yesterday I'm failing connection to my server partition on my school server.
To access to my server I need to pass through a tunnel that require a password and connect me to the server.
This ...
1
vote
0answers
45 views
SSH reverse forward to a node “behind” the SSH server node
Scenario -
SSH client, Windows laptop with Samba enabled (port 445. Don't care about netbios)
SSH server "TestingLAB". This machine has 2 interfaces, "publicIP" which I use to connect from my ...
2
votes
1answer
236 views
ssh into a server which is connected to a VPN service
I have a virtual private server, which I would like to run a web server while my server is connected to a VPN service
When the VPN connection to my provider is not up, I can do anything I want with ...
0
votes
2answers
85 views
What does “bind_address” mean in SSH port forwarding?
In SSH local forwarding:
-L [bind_address:]port:host:hostport
Specifies that the given port on the local (client) host is to be forwarded to the given host and port on the remote side. ...
0
votes
0answers
31 views
What kinds of IPC are used in ssh port forwarding?
SSH local forwarding is specified by:
-L [bind_address:]port:host:hostport
on the local host, a process called P1 attaches to port, so that P1 and the ssh client SC can communicate. What type of ...
1
vote
1answer
120 views
Which processes do the ports (as communication connection endpoints) belong to in SSH port forwarding?
(1) For remote forwarding:
-R [bind_address:]port:host:hostport
Specifies that the given port on the remote (server) host is to be forwarded to the given host and port on the local side. ...
0
votes
2answers
39 views
SSH Tunnel with key on first server
Im trying to tunnel to DestinationHost through HopHost with
ssh -o ProxyCommand='ssh HopHostUser@HopHost nc -w 10 %h %p' DestinationHost
First, I get to authenticate towards HopHost as HopHostUser
...
2
votes
1answer
41 views
SHH Tunneling only accepted on some ports
I'm working with Server running Ubuntu Server 14.04. I use Plink to request some reverse tunnels from a remote computer to the server.
For some ports that works just fine, but for most ports it seems ...
2
votes
1answer
173 views
How do I create a SSH user that can only access MySQL?
I want to set up an SSH tunnel to my MySQL database on a remote server. Can I create an SSH user that has only the minimum permissions that are strictly necessary to access MySQL, for example with a ...
0
votes
1answer
53 views
Correct ssh config file settings to tunnel to a 3rd machine
I'm trying to tunnel to and end server via a bridge server. So far, I've been able to get it working from the command shell properly using the following command:
ssh -A -t ...
2
votes
0answers
148 views
named pipe proxy over SSH
I am used to forwarding a remote service port on localhost using ssh like:
ssh -L 2181:localhost:2182 user@server
(forward remote host port 2182 to local port 2181)
now, from the machine I ssh to, I ...
0
votes
0answers
41 views
Connect to work pc via ssh
I have a PC on my work which I want to connect to from home (on both machines Ubuntu 14.04 is installed). I already opened a port in my work firewall. Now I found an instruction to create a pseudo ssh ...
2
votes
1answer
78 views
In bash, how can I use a here document but then open stdin?
My example is that I'm tunneling through a server and want to create a command to type in a password but leave stdin open once that's done. For example I need to sudo to a different user everytime I ...
4
votes
1answer
187 views
Predicting the PID of previously started SSH command
This is the weirdest thing.
In a script, I start an SSH tunnel like so:
ssh -o StrictHostkeyChecking=no -fND 8080 foo@bar
This starts an ssh instance that goes into the background, and script ...
1
vote
1answer
50 views
Reverse SSH dynamic port allotment error
When I run:
ssh -i mycert -R 0:localhost:80 [email protected]
and run the following on 'myserver.com':
curl localhost:dynamicly_assigned_port
I get 'ssh:Server send unrequested port, from port ...
2
votes
2answers
69 views
Openssh server: fatal: Too many listen sockets. Enlarge MAX_LISTEN_SOCKS [closed]
I am using Ubuntu 14.04 LTS. I want to create an openssh server, which listens on many ports (at least 100 different ports). Multiple clients would connect to this server, but each client would need ...
0
votes
1answer
49 views
Connecting two end-points through proxy server with SSH tunneling
I have a simple client and a HTTP server (port 80).
In some cases, the client and server can exist on different locations, NAT'ed behind a firewall (allowing only outbound connections to port 80).
...
4
votes
1answer
358 views
forward all mysql traffic to a ssh tunnel
I have a local application that needs to connect to a remote mysql server at 40.40.40.40:3306
The main firewall blocks all connections but ssh, I can set up a ssh tunnel and connect to the server ...
2
votes
2answers
81 views
Using reverse SSH tunneling in one step instead of two steps (with -X)
Suppose we have three hosts:
miki - my computer behind a NAT
vps0 - my VPS
mum - computer of my mother, behind a different NAT.
The task is to connect from my computer to my mum and keep X11 ...
