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.

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Why is there no UDP port forwarding in SSH?

I know SSH can forward TCP ports, not UDP. I'm not seeking help to circumvent this restriction (this subject is covered here). I'd like to know what is the reason SSH never got UDP forwarding ...
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1answer
28 views

Open SSH port a bad idea on a Raspberry Pi?

I have a Raspberry Pi at home that I have connected to my home network. I use it to run a VPN server, SSH tunnel, and occasionally I SSH into it to perform maintenance on it. Is it a bad idea to have ...
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13 views

Need to tunnel a AWS server using port forwarding

I am having a AWS server and I am connecting through a AWS router. I gave the example here, ssh -i ~/ecserver.pem ec2-user@ip -p 2222 Now I have to create a tunnel to the server for 9093 port in ...
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1answer
19 views

Creating bridged/forwarding proxies/tunnels via an intermediate machine to get around a VPN block to connect to a work machine

I'm not sure if my question makes sense, but I'll try to describe what I'm trying to do. I have three machines A, B, and C. A is a work machine that is not exposed to the outside world. B is my ...
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1answer
37 views

Bypass DS-Lite via reverse SSH Tunnel

My ISP unfortunately only provides a DS-Lite connection (no IPv4 address, only a IPv6 address) which makes it impossible to create IPv4 port forwardings to access devices in my local network. But I ...
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17 views

Can we do ProxyTunnel and redirect to a different port?

Learn from internet that we can tunnel SSH over HTTP(s) [reference1] [reference2] Once apache server is setup <VirtualHost _default_:80> ProxyRequests on ProxyVia block ...
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38 views

How to tunnel whole android traffic SSH?

Let's say I have an SSH server, I want to tunnel my android traffic through that server without installing any VPN service on my server. I am able to port forward my SSH on a Socks 5 proxy. Then I ...
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25 views

Linux routing traffic from wlan0 to localhost:port

I'm behind TGM proxy , connected via LAN on eth0 which goes to my laptop. Creating socks proxy tunneled with ssh via cntlm can bypass the proxy which is fine for my laptop. But I struggle to create a ...
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52 views

Ssh Key Generation Algorithm

Ssh provides more than 1 algorithm for encryption of session data. Is the performance of each different ? If so, which is the best one?
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4answers
139 views

SSH alternative for a long range/high latency connection [duplicate]

I'm about to set-up a raspberrypi in a remote location (300+km to me). It will connect via GSM since there's no landline on 3G/4G. I need a way to "ssh" inside the pi to manage some stuff. Since GSM ...
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38 views

how create ssh-tunnel PC-to-LAN through SSH in VPN (CYGWIN) to the remote LAN

I have remote PC (WIN7) and access to it throurgh VPN to PC2 (win7) I configured CYGWIN at that PC and able to connect via PUTTY to that SSH. Remote PC has access to the own LAN. I have to get that ...
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33 views

Creating an ssh tunnel over http_proxy for software activation

Environment: Corporate internal network, with only a proxy server and proxy authentication as a window out. Installing a piece of software on Windows Server 2008 R2 (or 2012 R2). Scenario: I have ...
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30 views

Can I Anonyminze my bitvise ssh tunnel session?

Is there a way to anonyminze my bitvise ssh client session that way the ssh server I connect to doesn't log my real IP address? Thanks
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2answers
58 views

SSH -L local port forwarding with localhost points to wrong pages

sorry if my question is stupid but I can't understand two things. Lets assume I'm doing the expample written here: [...]you wanted to connect from your laptop to http://www.ubuntuforums org using ...
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1answer
31 views

Will no-port-forwarding in authorized_keys disable all port forwarding?

Here port forwarding I means ALL kinds of port forwarding, -D dynamic port forwarding(for socks4 and socks5 now), -L local port forwarding to remote, -R remote port forwarding to local. How to fine ...
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1answer
42 views

Connecting to VNC session from Windows through intermediate server

This is a commonly asked, and answered question. However, the solutions are not working for me, so I'd like a little help figuring out why not. I know I have done this successfully in the past. I've ...
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52 views

SSH Tunnel via very restrictive HTTP Proxy/Firewall

I know how this usually works, I've done a lot of investigation and tinkering to get this far and my observations are reproducible. Have a (few) SSH Server(s) Running on port 443 (https), and a few ...
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167 views

Access to a reverse SSH Tunnel with Docker whithout --net=host

I have a docker container (running on my server) that need to access to a distant computer through SSH. This computer is behind a NAT, so I open a reverse SSH tunnel from the computer to the server ...
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1answer
28 views

how to use ssh to forward the telnet trafic

I have to run a telnet connection between two network elements. The server is located after a firewall, and the IP address of the client can not connect it. My idea is to use a third server as a ...
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20 views

Allow reverse ssh but not simple ssh

I have a computer (let's name it A) behind a NAT, and I need a ssh connection to it from another computer (let's name it B). I saw that I needed an ssh reverse tunnel, I tried, and it works. In ...
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0answers
31 views

SSH tunnel through two servers not asking for authentication for second server

I am trying to setup a SSH tunnel for VNC that goes through two servers as follows: windows -> gateway -> server -> destination I have a VNC server running on destination on :5901 ...
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0answers
21 views

Error in Remote Desktop connection through SSH

We are implementing new method access to Remote Desktop from clients through SSH server. We use cygwin to implement that. In the sshd_config file of the server we do the following settings, Port 1234 ...
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3answers
141 views

Using a reverse SSH tunnel without port forwarding

I have already created a reverse SSH tunnel on Windows using FreeSSHd and am able to connect to it when inside the network. However, my ISP has blocked port forwarding and our internet is behind a ...
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2answers
1k views

How to get SSH tunneling to work in Macintosh OSX El Capitan?

I upgraded from Yosemite to El Capitan, but now SSH tunneling appears to be broken. Before upgrade, I could tunnel my VNC session from another computer using the app SSH Tunnel Manager, but after ...
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3answers
39 views

What changes made to a computer connected to a domain network can be detected by the system administrator? [closed]

My work PC (Windows 7 Enterprise) is connected to a domain network. I have the admin username and password so I can change all the settings. Obviously its behind a firewall or something. The network ...
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2answers
79 views

How to ssh a computer which is behind firewall

Consider I have three computers home my computer at home work my computer at work server my server I can't connect from home to work using ssh because of my company firewall. But I can ssh any ...
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1answer
2k views

SSH error: “Connect to host: Bad file number”

When on my local network, I can SSH into my desktop just fine by connecting to 192.168.0.5. However, When attempting to connect to my home IP, using the same port and user, I get the infamous "Bad ...
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1answer
53 views

SSH tunnel to access virtual ethernet adapter

I have a server in my private network 192.168.178.20 which hosts a (local/only on the server) virtual ethernet adapter 192.168.122.1. I want to access 192.168.122.1 from my local machine - what would ...
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30 views

connecting to a PuTTY tunnel via SOCKS takes an excessive amount of time

So in PuTTY, under Connection -> SSH -> Tunnels I create a Dynamic / Auto tunnel with a source port of 9150 and leave the destination field blank. I click Add and then the Forwarded ports area shows ...
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1answer
31 views

ssh_exchange_identification error with USB modem only

I can access ssh servers when I am connected through wifi or LAN, but not through a wireless broadband usb modem. I get this message: ssh_exchange_identification: Connection closed by remote host I ...
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0answers
104 views

Why is VNC slow to display the initial frames?

I have a Windows 7 PC running a VNC server, and a Linux (CentOS 7) machine. The Windows 7 machine runs a batch script wrapped around plink to maintain an outgoing SSH tunnel to the Linux machine, with ...
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75 views

Tunneling connection to server using another server as “proxy”?

So there are two servers: Main server, lets call it M1. It's the server every user will need to access somehow. Proxy server, lets call it P1. It's the server to help some users connect to M1 ...
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3answers
200 views

How local host is shared to Internet?

Recently I have found websites which generate a public URL for a given local host. I'm immensely interested in understanding how a local host can be shared to Internet. After searching a lot I got ...
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43 views

create tunnel in order to access https via port 443

I have Windows machine that connected to Linux server 192.9.100.10 And Linux server has connectivity to the IBM blade center management GUI - 192.9.100.200 From my Windows machine I do not have ...
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1answer
98 views

User transparent SSH multihop

What I have is the same as this question SSH tunnel through two servers to access a web service on port 9091 (mainly because I asked that question). But the difference now is that I'm accessing it ...
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53 views

How to receive and send UDP traffic using a SSH Server with blocked UDP ports?

I have an external server which I use to connect to the internet using dynamic port forwarding from my remote desktop . I forward all the connections to my local port 9150 . Therefore I use that ...
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1answer
170 views

Enabling socks proxy in my browser is freezing my putty terminal

Local system - Windows 8.1, Putty, Firefox with FoxyProxy addon (Socks5) Remote server - Ubuntu 14.04 (headless) When i enable FoxyProxy and use SSH tunneling, the putty session freezes and the ...
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1answer
212 views

Gateway Server Jump Bastion Host Local Setup

I want to ssh to a remote private host using an intermediate (bastion, jump, gateway) server. This command works fine: ssh gateway ssh private With this ~/.ssh/config setup: Host gateway User ...
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3answers
1k views

SSH Service Status

I am checking the status of the SSH service by typing; sudo service ssh status I got the following output; ssh start/running, process 889 Does this mean SSH status is okay. If not what should ...
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1answer
60 views

Secure connection between computer and phone

I have never done any form of hosting and wonder how I would go about creating a secure small server between my computer and phone? I don't want to access everything, just a portion of the PC data ...
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134 views

Issues with SOCKS proxy over SSH Tunnel on windows - works via OS X

I setup an ssh tunnel to my ubuntu VPS from an OS X machine like this: ssh -p 12345 -N -D 9999 root@128.222.222.222 password: * etc. I have tried to follow many a guide on how to use either putty or ...
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1answer
123 views

SSH private and public key creation and setup

I'm attempting to gain access to a web server using an SSH key. I followed several steps to create my keys, had them uploaded and am still unable to connect. In Git Bash (on Windows 8) I checked for ...
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2answers
628 views

SSH Tunnel doesn't work

I use following command to make a ssh tunnel to my ubuntu server: ssh -fNg -L 8888:127.0.0.1:22 -p 1000 username@server-address -v Then I set OSX http and https proxy to 127.0.0.1:8888 And I got ...
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43 views

How restrict ssh pubkey using 'from=“pattern-list”' when connection goes through tunnel?

My home machine is behind NAT. I want get access to it using pubkey but want restrict that key to some IP. I make tunnel from home to server ssh -f -N -R 1144:localhost:22 user@server Server has ...
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0answers
75 views

How to create an SSH tunnel and access remote service from behind firewall with HTTP proxy

I want to access a remote service running on a vps on <remote>:8888 but our campus network blocks all ports except for 80,443,8080. And using a web proxy 172.16.0.2:8080, but each time my ...
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3answers
120 views

SSH tunnel through second IP of a server

I use sshuttle in Ubuntu to create a SSH tunnel with my VPS. My VPS has 6 assigned IP addresses, but if I use any of the 6 IPs to build an SSH tunnel, my assigned tunnel IP address is always the VPS ...
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2answers
366 views

YouTube not working via SSH tunnel proxy to a U.S.-based IP address

YouTube is blocked in my country. To connect to this site, I created a SOCKS5 SSH Tunnel proxy using this command and configured Firefox accordingly; 111.222.333.444 is a U.S.-based IP address: ssh ...
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1answer
408 views

Mapping drive through ssh tunnel between Windows computers?

I have a Windows 7 computer that I use to acquire data and I want to be able to map it's C drive (or a folder in C and it's subfolders) in another Windows PC (using windows 8 now) to access it in ...
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3answers
289 views

Connect to a blocked server

I have a hired server that doesn’t allow me to access to a URL. Can I access to that URL from the server using my home computer as bridge with SSH tunnel? In the server I only have command line ...
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1answer
953 views

How to configure WinSCP with SSH proxy

I'm trying to configure WinSCP for use with a proxy so that I can Login to my site (I'm trapped behind a corporate firewall). I'm trying to follow the directions of ...