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

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3
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1answer
47 views

limiting a user's TCP transfer quota

I've been researching how to limit a user's monthly TCP download plus upload quotas. The total transfer limit is 1 TB / month . There are 50 users, so I wish to limit each user to a maximum of 20 GB / ...
2
votes
3answers
716 views

Is there a way to have regular expression in ~/.ssh/config

I have two set of server. Test on production. All server have internal ip. currently I am using alias to login: Host pro-10 Hostname 192.168.1.10 ProxyCommand ssh production-server nc %h %p For ...
2
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4answers
635 views

rsync over ssh tunnel

---------- /| /| ------------ | Home | | | | | | Work | | |--------| |---------------------| ...
2
votes
2answers
2k views

autossh in /etc/inittab

I have setup ssh tunnel to be able to connect a target computer behind NAT. I have put the following into /etc/inittab on the computer: tu:2345:respawn:/usr/bin/autossh -M 20000 -f -n -N -T -R ...
2
votes
2answers
2k views

SSH jumping over socks(4/5) proxy chain. Host -> socks proxy -> socks proxy -> destination

I got a great answer for my previous question about connecting from Machine A to Machine C via Socks proxy located on Machine B. Say Machine B Ip is 218.62.97.105 and it is listening on port 1080 ...
2
votes
1answer
389 views

create a tunnel to a local server

Using a VPN, I am connected through SSH on a distant Ubuntu Computer. From this computer, I can browse using telnet through a local server (192.168.x.x). Is there any way, from the terminal or ...
2
votes
1answer
223 views

Tunneling SSH through multiple machines (for SOCKS)

I have seen questions on tunnelling SSH through multiple machines but I want to tunnel a SOCKS connection. Normally I would use something like ssh -C2qTnN -D 8080 username@remote_machine to make the ...
2
votes
1answer
1k views

system wide SOCKS5 Proxy

I connect to my Server on the internet using ssh -D 3128 user@rootserver.com. If I am right I thereby open a SOCKS v5 Proxy to my Server. Using firefox and FoxyProxy I can now add this to my proxys ...
2
votes
1answer
299 views

How to setup port redirection after a ssh connection has been opened?

I'm using openssh on both client and server. I know I can run ssh -L or ssh -R to setup some port redirections over ssh. However, since they are command-line parameters, such redirections must be ...
2
votes
1answer
1k views

How to make SSH tunnel as daemon?

Actually, I need a secured VPN, but configuring it was too hard for me. So I decided to use SSH tunnel. The tunnel could be established when I logged in. :( (1) How can I make a SSH tunnel without ...
2
votes
2answers
6k views

sshd_config MaxSessions parameter

I have problem with "MaxSessions" parameter in sshd. I would like to restrict number of sessions via one ssh connection. For example for tcp forwarding. When I set MaxSessions to 0, logons are not ...
2
votes
2answers
288 views

how to ssh -Y and then su - <another user> and still forward X applications to your local machine

it is easy enough to 'fetch' (ie draw locally) a remotely running linux application: If I ssh -Y to the remote machine and run an application, that application will surely enough pop up in my local ...
2
votes
2answers
165 views

ssh reverse tunneling not working

So, I have a server and a home machine. My server can't talk to internet, but my home machine can. So, I set up a reverse tunnel through home to server using: ssh -R 9001:www.google.com:80 server ...
2
votes
2answers
696 views

Setup ssh tunnelling to browse using the IP of a computer inside a private network

I think my question is much easier to understand looking at the draw below. The idea is that for some reasons (such like accessing the intranet of my company, or getting access to some web pages that ...
2
votes
1answer
234 views

ngircd refuses connection over ssh tunnel

This might be just a misunderstanding of how ssh tunneling works, but here goes: In my ngirgd.conf file I have the following: Ports = 6669 Listen = 127.0.0.1 This ngircd server is running on ...
2
votes
2answers
1k views

How to login from remote server to my own PC?

For the experiment purpose I need to login to my own PC from the remote PCs which are under the same domain, i.e: university network. How can I do remote login in this case using SSH? As an example, ...
2
votes
1answer
270 views

How to recover from a corrupt xdebug session?

Sometimes my local computer crashes when I'm in the middle of a xdebug session. When I reconnect to my remote server with a reverse shell I get this warning: Warning: remote port forwarding failed ...
2
votes
1answer
343 views

Is there anyway to run gnome desktop via a remote x window ssh tunnel?

I'd like to run the DE remotely in a window of it's own on my local workstation. When I tried the naive gnome-session from an x-window tunnel it tried to takeover my local xfce desktop, got as far as ...
2
votes
1answer
51 views

Creating a linux user with limited privileges for ssh tunnelling

I am following this post to create ssh tunnel to mysql. The details description of my application scenario is given in my other SOQ. I exactly followed these steps to create a user: useradd -s ...
2
votes
1answer
122 views

Establishing client VNC connection over SSH in one step (e.g., with the -via option)

How do I reduce these two commands to one? I am connecting from my client to an x11vnc server and the two commands below already work. I just wish to do it in one step: first command: ssh -fNL ...
2
votes
1answer
201 views

What are the key differences between “SSH tunnels” and “Squid reverse IPs” in regards to web page scraping and private browsing?

What are the key differences between "SSH tunnels" and "Squid reverse IPs" in regards to web page scraping and private browsing? Interested to know if there are any differences between using "SSH ...
2
votes
1answer
412 views

Double SSH tunnelling for SMB shared folder

I am actually working from PC1 (using Mac OSX) on a distant computer(Linux) PC2 using SSH. This distant computer PC2 does not have any connection to Internet but is in a network with a PC3 (Windows ...
2
votes
1answer
515 views

List ports tunnelled on OpenSSH server

Is there any way to list the tunnels that SSH clients connected to my OpenSSH server have set up? I can use e.g. lsof -i to show connections that are being actively tunnelled, but I'd like to be able ...
2
votes
1answer
58 views

use SSH tunnel to baypass Captive portal

I know that DNS tunneling is the good choice when we try to bypass captive portal, but i tried to do SSH tunneling instead of DNS but it doesn't works, technically speaking is that possible -bypass ...
2
votes
1answer
128 views

Auto restart ssh session after sleep

I have an active ssh session to a remote server that it would be nice to be able to restart upon waking from sleep/hibernate (ubuntu), and seamlessly restore tunnels. The Gnome Terminal window is ...
2
votes
2answers
262 views

How do I route a spare network interface through an SSH tunnel?

I just bought a Raspberry Pi and I am wanting to route an ad hoc wireless network interface fully through an SSH tunnel that was created using another wireless interface. I want to do this so that I ...
1
vote
1answer
140 views

Are the SSH manual pages wrong?

The ssh manual pages states the following: -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 ...
1
vote
2answers
436 views

Bypass sshd AllowTCPFowarding=no by installing own forwarder?

In the man pages for sshd_config, for the AllowTCPForwarding option, it states: AllowTcpForwarding Specifies whether TCP forwarding is permitted. The default is “yes”. Note that disabling ...
1
vote
2answers
479 views

SSH tunnel to MySQL for PHP scripts

I need to establish an SSH tunnel so that my local PHP script can connect to a MySQL server on a remote server. Remote machine: MySQL (127.0.0.1:3306) on Linux (SSH port 44422) Local machine: Linux ...
1
vote
1answer
828 views

how to specify the forwarding port when using multiple tsocks services?

According to the answer of this question, I have my /etc/tsocks.conf containing these lines: path { server = localhost server_port = 1081 reaches = <ip-address-of-server-b>/32 } path { server = ...
1
vote
3answers
45 views

forwarding web traffic through a vps running on Ubuntu in another country

I've got a vps in another country. And I'd like to forward all my web traffic through it. I know there are commercial options available in the market but I'd like to do it by myself for the sake of ...
1
vote
2answers
54 views

Attach to an existing ssh tunnel

I have an existing ssh tunnel which connects machine A to C over B. #user@A: ssh -N user@B -L 9999:C:9999 Is there any way to create a new ssh tunnel on D and attach it to the existing tunnel so ...
1
vote
2answers
60 views

Having ssh tunneling itself for remote access from a third machine [duplicate]

I am struggling with understanding if and how the following is possible. Say that I have a machine T (target) which I want to access from remote (ideally via ssh). T is behind a router/firewall R ...
1
vote
1answer
31 views

How can I tell which ports have been used for reverse SSH tunnels?

I have two machines, client and server. client has created a reverse-tunnel on server with something like ssh -R 12345:localhost:12345 server. When logged into server how could I find ports which ...
1
vote
1answer
34 views

log into a machine through another, with (de)compression at the ends only [duplicate]

I have looked all around but couldn't find the answer to a very simply question: I would like to log into machine C from machine A, passing through machine B. However, B is slow, so I would also like ...
1
vote
2answers
55 views

Tunnels to the same port number

I have an application that connects to several hosts on the same port: a.protected:123 b.protected:123 I don't have direct access to either of them, but I can make a ssh tunnel (through ...
1
vote
1answer
1k views

Bash script calls expect script with master SSH connection

I'm trying to write a bash script that calls an expect script to establish a master SSH connection to be used for the remaining SSH commands in the bash script. ~/.ssh/config: ControlMaster auto ...
1
vote
2answers
93 views

Reverse socks5 using SSH

Setup: Server is a virtual machine Server have a local ip adress Server is restricted so that it can't reach the internet (not sure how) Client machine have access to both server via SSH Client ...
1
vote
1answer
280 views

Multiple SSH tunnels (local and remote forwarding) over one master OpenSSH connection? Good idea?

The question Using an already established SSH channel has an answer that intrigued me. It suggests that I can reuse an existing SSH connection. However, after further reading, I see that this solution ...
1
vote
2answers
405 views

SSH tunneling through a busybox router

I have a busybox router and I'm able to login to the console using telnet & I also have access to the web interface. My question is, how can I create an ssh tunnel from my local network through ...
1
vote
1answer
292 views

ssh (remote console) between 2 computers from different private networks

I have two computers. Both of them are from different private networks. I'd like to connect from one of them to another (to program on it remotely). I attempted to use some remote desktop software ...
1
vote
1answer
150 views

Reverse connection to SSH server [duplicate]

Machine A is connected to the internet and is behind firewall so it cannot receive incoming connections. Machine B is open to the internet. I want to be able to type commands into B and have them ...
1
vote
1answer
336 views

SFTP over reverse SSH tunnel?

I want to SFTP to a remote computer that is behind NAT. I can't modify the NAT router, so I have set up a reverse SSH tunnel using a middleman server. Here's what my SSH tunnel looks like: ...
1
vote
1answer
178 views

How to restrict an SSH tunnel to a certain outbound IP address on an SSH server?

I hope I'm phrasing this question correctly. I have a SSH server that I use for testing that has 2 internet connections running on it. The LAN connection is always on, but the USB connection is on ...
1
vote
1answer
223 views

Remote support: routing RDP over ssh tunnel?

I want to replace TeamViewer with a FOSS solution. I need to support some remote computers. I have a working SSH tunnel set up between two computers using a middleman server like this: ...
1
vote
2answers
1k views

Specifying outgoing interface for SSH tunnel

I have a machine with two public IP addresses on two interfaces. This machine is running sshd. Is there a way to specify, when creating a tunnel with a SOCKS interface (i.e. -D), which interface to ...
1
vote
1answer
1k views

How to monitor traffic when SSH tunneling?

If I run: ssh -fND localhost:6000 USERNAME@IPADDRESS -p PORTNUMBER and I set my webbrowser to use 127.0.0.1:6000 SOCKS5 proxy, is there a way for the remote SSH server to monitor my web traffic? ...
1
vote
1answer
912 views

vnc connection working with PuTTY but not with command line

I am using PuTTY to connect to a distant network to then set up x11vnc and then using ssl/sshvnc as a client. in the host name for PuTTY I have: ssh.inf.uk and port: 22 in the ssh tunnel options I ...
1
vote
1answer
58 views

Directx application using wine over ssh -x

I'm trying to run a Windows app (Artemis video game - server mode) on my archlinux server. As it is an windows application I have to run it using Wine. As I'd like to be able to launch the server ...
1
vote
1answer
38 views

Give an access to Internet to a server reachable by SSH but where Internet is blocked

I can use my home computer A to connect by SSH to a server B where access to the external network is blocked. In other words, all requests to Internet from B throw an error: Network is unreachable. ...