All Questions
366
questions
0
votes
1
answer
15
views
Can a ssh reverse tunnel bind to something else than localhost?
Machine A has a service (say - web server) bound to localhost:80.
Machine B wants to access this service but has no direct connection to machine A.
I want to create a reverse ssh tunnel from Machine B ...
- 3,253
0
votes
0
answers
45
views
Using ProxyJump option for SSH tunnel with multiple hops
I need to create a tunnel from localhost to host2 through host1, so I'm using the approach suggested in this answer:
ssh -L 9998:host2:22 -N host1
ssh -L 9999:localhost:1234 -N -p 9998 localhost
...
- 823
0
votes
0
answers
86
views
ovpn config file creating a tunnel but cannot access LAN apps
I have an ovpn file which opens a tunnel to router I have setup. This tunnel works since I can confirm that my public IP is located at the same location as this router. This router has a local server ...
- 113
0
votes
1
answer
122
views
SSH / RDP Reverse Tunnel through intermediary
The problem I am trying to solve is how to establish SSH & RDP connection to a Linux machine that is behind a firewall, with a non-static public IP, and no port forwarding capability:
Customer ...
- 1
8
votes
3
answers
1k
views
SSH parameterized config entries?
I often setup port forwards with something like:
ssh -NL 1234:localhost:1234 MyHostName
The ports usually stay the same, but the remote changes. It would be nice if I could create SSH entries like:
...
- 185
0
votes
0
answers
56
views
How do I use Localxpose to SSH into a Raspberry Pi?
I want to SSH into my Raspberry Pi 4 when I'm away from home. I already have a Localxpose account, so I figured I would use that. I know I have my keys configured properly, since I can successfully ...
- 1
0
votes
0
answers
191
views
Accessing MySQL database through SSH tunnel
At the moment I can access a MySQL database by SSHing in terminal.
This prompts me for a passphrase for a key
ssh test-db01.somedomain.com
Enter passphrase for key '/Users/yourname/.ssh/path/to/key':
...
- 187
0
votes
1
answer
157
views
VNC Connection to a remote host with reverse ssh tunnel
I have the following setup:
Raspberry Pi with no public IP address
Public "jumpserver"
Currently i have autossh running on the Raspberry to connect to the jumpserver.
Works without ...
- 1
0
votes
0
answers
76
views
Multihop ssh tunnel/proxy
I am trying to set up an ssh tunnel/proxy configuration to enable me to reach a private API so that I can test it.
The API is hosted in AWS API Gateway and is configured by design to be reachable only ...
- 101
0
votes
1
answer
213
views
Getting sshd to use a proxy when tunneling with SOCKS5
I have a setup (which I cannot change), in which I need to a access a webserver from my local machine. I don't have direct access to the webserver. It is only accessible from a proxy. The proxy ...
- 185
-1
votes
1
answer
394
views
How can i set up my SSH tunnel connection for run http request from local PC
My remote server have access to specific third party API. But my local PC doesn't. I can do third party http request from server nodejs backend:
await axios.post("http://111.111.111.111:8810"...
12
votes
1
answer
2k
views
How to modify this code to be able to SSH into my server?
I have a 18.04 Ubuntu server that I use to bypass internet filtering/censorship in my country using SSH tunneling. To do this, I have created several users using the command adduser USERNAME --shell=/...
1
vote
1
answer
378
views
Tunneling two different instances of LAN Syncthing via SSH
I have the following configuration:
Two Syncthing instances running on PC1 and PC2(home) respectively on LAN1 and LAN2(home). Following this guide i set "Sync Protocol Listen Addresses" ...
- 13
0
votes
0
answers
352
views
How to connect to local KVM guest via remote SSH tunnel to ssh
I try to set up a connection as follows:
ssh -f -N -L 5916:localhost:22 [email protected]
[email protected]'s password:
It asks for a password , but the connection doesn't work.
nmap ...
- 1
0
votes
0
answers
44
views
How to minimize upload/download amount for a reverse SSH tunnel on a Raspberry Pi with Cellular Hat?
I have a Raspberry Pi with a Sixfab Cellular Hat that is behind a CG-NAT. I have set up a reverse SSH tunnel between my server and Raspberry Pi, but I noticed that the upload and download amounts sum ...
- 1
0
votes
1
answer
872
views
Password for Socks Proxy with SSH Tunnel
I need to have a socks5 proxy with an ssh tunnel with the following command:
ssh -p <SSH_PORT> -CnfND 0.0.0.0:<Port> Username@ServerIP
The question is how can I set a password for this ...
- 1
0
votes
0
answers
415
views
how do i set MaxStartups for specific user not whole system
i want to set MaxStartups for specific user in /etc/ssh/sshd_config
but I cant do something like that since "Match" doesn't support MaxStartups keyword :
Match User test
MaxStartups 1
- 11
1
vote
1
answer
1k
views
Limit number of a user for ssh tunneling
i want to limit the ssh tunneling per user
I did create a user with only ssh tunneling permission ( no shell, no directory ) now I want to limit this user not be able to connect multi devices ...
- 11
2
votes
1
answer
1k
views
Limiting SSH Tunnel users maxlogins
I've created a bunch of users on my Ubuntu VPS to do just SSH tunneling using this command: (taken from here)
sudo adduser someuser --shell=/bin/false --no-create-home
which works fine as expected. ...
- 133
1
vote
1
answer
829
views
How to create multi hops SSH tunnel using PuTTY?
I have 5 VPS , I use jump command in OpenSSH to connect from My_Pc to VPS_5 .
My_PC ==>VPS_1 ==>VPS_2 ==>VPS_3 ==>VPS_4 ==>VPS_5 ==>Internet
ssh -D80 root@VPS_5 -J root@VPS_1,root@...
- 11
0
votes
1
answer
422
views
Remotely access pc behind firewall from my dynamic-ip pc via a static-ip VPS
I am not sure what is the term for what I want to do, and how secure it will be, but here is the setup:
I have full root access to workpc only physically when at work. It is behind a firewall which I ...
- 113
0
votes
1
answer
101
views
SSH Tunnel via crontab with 2FA gives EOFError
I'm trying to setup a crontab which opens an ssh tunnel. Unlike other questions here and on stackoverflow, the server I'm connecting to has a 2FA which prompts the user for a password. However, I don'...
0
votes
1
answer
560
views
PuTTY ssh tunnel through a range of ip addresses
okay this is a dumb question but, is there any way to tunnel multiple ip addresses through a port in a ssh tunnel?
the scenario is the following: i have two POS lan printers (192.168.0.114-115), ...
0
votes
1
answer
4k
views
Tunneling between two servers to use the Internet of the second server by OpenVPN or SSH
I'm from Iran and our international Internet is being shut down , so we are going to lose our connection to the world .
VPNs are getting blocked one by one .
Tor Network is block and bridges do not ...
- 111
1
vote
1
answer
632
views
ssh tunneling public key error
I'm trying to setup ssh port tunneling. I am setup with my public key on the remote machine. I can login to the remote like this...
ssh <name>@<address>
No problem.
I'm trying to forward ...
- 13
0
votes
1
answer
778
views
How to make an localhost tunnel not expired after a long time idling?
Currently I am trying to configure for a tunnel to stay alive aka. ssh.localhost.run after idling for a while.
I have do some research and find out this type of ~/.ssh/config file like this:
Host *
...
- 15
4
votes
3
answers
5k
views
Is there a way to redirect DNS traffic to ssh tunnel
I am trying to get a barebone solutions similar to different smart dns proxies available .
Now I am able to get one part done, by using , ssh tunneling and creating dynamic forward.
host myserver
User ...
- 183
0
votes
0
answers
811
views
SSH tunnel to database server over multiple hops
SSH tunneling is easy to accomplish:
ssh -D1234 host
But we have a more specific infrastructure
Host 1 (Remote server placed in my company)
Host 2 (Local server inside Host 1 network)
Host 3 (...
- 101
1
vote
2
answers
3k
views
IPv6 SSH Tunnel
I'm setting up a tunnel with ssh -w and I would like to route IPv6 traffic through it. The remote machine is a server on the Internet with several IPv6 addresses assigned
What I am doing is:
local# ...
- 33
0
votes
1
answer
433
views
Reverse autoSSH tunnel does not work
For some reason my autossh reverse tunnel does not work.
This is my command:
└─# autossh -M 12121 -N -f -o "PubkeyAuthentication=yes" -o "PasswordAuthentication=no" -i /root/.ssh/...
- 1
1
vote
0
answers
401
views
Connect two ssh tunnels
I have 3 systems. Lets call them A, B and C.
I need to create a ssh tunnel from A to C. But there are some restrictions:
A can not connect to B
A can not connect to C
C can not connect to A
However, ...
- 408
0
votes
2
answers
192
views
Using CVS transparently through an SSH tunnel
It seems a simple thing, but I am stuck.
On an Ubuntu machine, to ssh into a particular REMOTE_HOST machine, until now I could do
ssh REMOTE_HOST
as expected (keys are all setup fine). Now, I am ...
- 13
0
votes
0
answers
93
views
SSH Tunnel not working with VPN
I'm using my home macmini connected to a AWS EC2 with reverse tunnel. I start the tunnel with a LaunchDaemon using this config:
<array>
<string>ssh</string>
<...
1
vote
0
answers
388
views
Ldapsearch through ssh tunell
I have four machines A, B, C, D and I would like to use ldapsearch on the first machine through an ssh tunnel over to C with a jump from B to C. Currently ldapsearch on C contacts the ldap server on D,...
- 11
0
votes
1
answer
951
views
Connect to local virtual machine through remote server
My goal is to access a Ubuntu Server that is running in a local VirtualBox publicly via the internet (both SSH on port 22 and HTTP on port 80).
For now, I planned to do it like this:
I set up the ...
- 427
0
votes
1
answer
393
views
IPSEC tunnel lan to lan with VPS in the middle
I have an ipsec tunnel between two points with different static public ips, when the tunnel is stablished, each machine see the others with the private ip.
The issue is that I want to put a VPS in the ...
0
votes
2
answers
1k
views
How to connect to shh without username and password for reverse tunneling
Is it possible to connect to a ssh server (to create a tunnel) just with just:
ssh -R sPort:localhost:cPort myDomain.com
instead of:
ssh -R sPort:localhost:cPort [email protected] (which also requires ...
- 11
0
votes
1
answer
1k
views
How to create persistent SSH connection between two servers in systemctl
This is my /etc/systemd/system/proxy.service file:
[Unit]
Description=proxy
After=system.slice multi-user.target
[Service]
Type=forking
User=root
StandardOutput=stdout
StandardError=stderr
...
- 423
0
votes
1
answer
1k
views
How to proxy and tunnel one IP Address via SSH?
I have two servers: A and B.
Server A is my main server which hosts my website (in my country). Server B is a server in the US.
I have limit to connect to some websites via server A, so I want to ...
- 423
0
votes
1
answer
504
views
Open VPN tunnel to non-static ip behind NAT possible? (IE. Sim card)
I have a Rpi with a cellular modem and SIM card attached. I can browse the web and login remotely to it using something like TeamViewer. However, I would like to use it as an access point.
I am in the ...
1
vote
2
answers
4k
views
Securing SSH port forwarding?
I'd like to run a SOCKS server on a remote client (RC), that will receive requests (reverse-tunnel) from some cloud virtual server (VS), which will receive requests from my own local client (LC).
In ...
- 159
0
votes
0
answers
465
views
OpenVPN UDP TLS handshake blocked by provider - how to tunnel via SSH?
I'm trying to connect to a company OpenVPN over UDP, but I'm currently in a country that blocks VPN access. I can connect to the VPN, but after a minute or so, it fails with "TLS handshake failed&...
- 141
0
votes
1
answer
119
views
Create a HTTPS Tunnel to avoid network hard limitations
Here is my problem :
At work, if I don't want to use my phone for everything I use the provided connection to the internet, that goes through a network that has strict restrictions : basically all ...
- 101
0
votes
1
answer
785
views
SSH Tunnel Detection
I have a query on SSH tunnel.
I have a low cost VPS on which I am running an SSH Server on port 443. I use putty and create an SSH tunnel to bypass sites blocked. In this regard I have some queries. ...
- 1
0
votes
1
answer
165
views
ssh tunnelling to a non-standard ssh port for MySQL
I’m trying to do ssh-tunnelling via local forwarding to a remote MySQL host reached via a non-standard (port-forwarded) ssh port of 2200 mapped internally to the server’s port 22.
First of all, I know ...
- 31
0
votes
1
answer
634
views
Hierarchical ssh connection with Putty, or maybe some other software?
There's this great app on Android called "Juice SSH". It has this wonderful feature where you can hierarchically connect to servers, which makes tunnelling super easy through many servers.
...
3
votes
1
answer
1k
views
HTTP over SSH tunnel on Windows
Situation:
Local windows machine runs a very simple HTTP web-server listening to 0.0.0.0:8080.
Remote windows machine has OpenSSH server running and I have ssh-credentials but that's all I assume. It ...
- 41
1
vote
1
answer
259
views
SSH tunnel: the middle host has the key to the final host
I'd like to implement a (temporary, won't be a stable configuration) SSH tunnel, so I can SSH to box C from box A going through B.
A--->B--->C
I learnt that it can be done by running 2 commands ...
- 153
-1
votes
1
answer
495
views
No data when using PuTTY SSH Tunneling
I am trying out SSH tunneling using PuTTY. On my Windows computer, I have PuTTY running with a tunnel going from port 1556 to remoteipaddress:1556. On the remote server, I have a Python3 socket server ...
- 19
0
votes
1
answer
641
views
What could cause a reverse SSH port forwarding tunnel to not work when initiated but start working exactly at midnight?
I followed this guide to forward a port on my VPS (public static IP) to access a Nextcloud installation on a remote server behind a firewall. It worked - sort of. At any point in time, the remote ...
- 31