OpenSSH is one of the most popular implementations of SSH used today and available by default in many Linux and Unix-like operating systems.

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Issues while setting up passwordless sftp

I was trying to set up a passwordless sftp from one Red Hat Linux server to another. As "oracle" user, I created the key-pair on server1, copied the publickey over to server2, and then added them to ...
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1answer
172 views

Sharing windows 7 id_rsa and id_dsa key to another OS

On my windows 7 I have both id_dsa and id_rsa keys. I've decided that I want to switch to ubuntu 12.04 LTS to be exact. can I transfer my id_dsa and id_rsa keys and other git configurations to Ubuntu? ...
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1answer
163 views

SSH tunnel from linux (ubuntu) to windows

I want to make an SSH tunnel from my Ubuntu to my PC (Windows 7). I found this tutorial for installing openSSH in Windows. I can connect successfully but when I run: ssh -D 8080 [user]@[ip] I ...
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3answers
9k views

How to connect home computers (Linux) from office computer (windows) using putty

Is there any way I can connect home computers (Linux) from office computer (windows) using putty. If yes, please tell me the step to make the connection.
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0answers
701 views

Configuring OpenSSH for Windows in Cygwin - can't leave blank password

I install OpenSSH in Cygwin under Windows 7 to install Hadoop. I had OpenSSH installed previously, but with a password. All attempts to remove password are failed, so I re-installed Cygwin. I want ...
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1answer
110 views

Could SSH client connect to SSHServer and create user if not exists?

My question is the next, Could I create users in server (on sshd), when ssh client connect to the server and in this moment create account in server with a spectific group and permissions for this ...
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3answers
924 views

ssh-keygen on snow leopard glitches in passwordless mode

I'm trying to use ssh-keygen to generate a key for a remote Linux server for passwordless entry. Unfortunately, it doesn't want to work: I keep having to enter a password. I'm wondering if there's ...
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1answer
857 views

sshd service listening on multiple ports

Well, I need use multiple and distinct ports where sshd will be listening, for distincts clients. Each client connect a different ssh port in real time. Can I put sshd service listening on multiple ...
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1answer
229 views

Allow shell access for key holders OR password login for whitelisted IP addresses

As a first line of defense against brute-force attacks, I've restricted SSH login attempts with TCP wrappers (denying access by default, and maintaining an IP whitelist in /etc/hosts.allow). However, ...
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1answer
2k views

Can I change the filename of my ssh public/private key pair?

I created a public/private key pair: ssh-keygen -t rsa -C "me@example.com" I gave a different key file name than id_rsa since I wanted to create a new separate key from my normal identity. I gave ...
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2answers
34 views

OpenSSH connection doent display Path or Name

I recently re-installed a Ubuntu server (12.10) and I happened to have a minor issue with OpenSSH. Once I created some new Accounts and logged into those the terminal always replys with "$". ...
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1answer
492 views

SSH: “no such identity”

I'm having a very peculiar problem getting SSH to work on my Linux box. I have a passwordless git user identified by an OpenSSH key. If I attempt to ssh into it from either the same or a different ...
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2answers
597 views

SSH client not showing prompt after successful login

I'm having problems with my SSH client on Ubuntu 10.10. When I switch on my computer and open a Terminal and execute the command ssh user@host, it gives me a password prompt after which I enter the ...
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2answers
1k views

How to determine the port allocated on the server for a dynamically bound openssh reverse tunnel?

When creating reverse tunnels on recent versions of OpenSSH a remote port of 0 can be given to bind any available port: -R [bind_address:]port:host:hostport ... If the port argument is ...
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1answer
1k views

Using OpenSSH Server without local user

Currently I've noticed when I use the OpenSSH Server with PAM and for instance RADIUS while I can get the user to authenticate successfully with PAM, I still need a local user account in /etc/passwd, ...
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2answers
128 views

Can a ssh key work for restricted to home user

I am currently running linuxmint and openssh. I have 2 accounts on my computer Joe and Bob. I have the keys and passphrase created by joe stored in the /home/joe/.ssh/ folder. I can connect to Joe ...
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1answer
280 views

openssh: “… disabled because of invalid user”, why?

I'm trying to make openssh work on android phone. When I'm trying to log in it refuses to accept my key. Here is the related lines of debug log: debug1: attempt 1 failures 0 debug2: ...
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2answers
2k views

Create a new known_hosts file for openSSH in windows

So i have OpenSSH in windows 7 at a university and i am basicly having this problem: When i first use SSH it is trying to create the known_hosts file on my university network drive H: But this is ...
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1answer
393 views

How to connect two computers using SSH tunneling

I have two linux computers in two different institutes. Computer1 is username1 with host1(internal ip 192.168.1.115) connected to server1(public ip 59.162.19.43). Second Computer2 is username2 with ...
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1answer
95 views

OpenSSH rejects private key passphrase

I'm on Ubuntu 12.04. When I try to connect to our server ssh user@server -p 1234 -i ~/path/to/my/private-key it asks me 3 times for the private key's passphrase and finally fails, though I always ...
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1answer
143 views

Logout safe way to have ssh-agent session for server processes

I am having a server process which is using a passphrase protected SSH key. Currently I log in via SSH to give the key every time the process is restarted. I do: eval `ssh-agent` ssh-add mykey # ...
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1answer
208 views

OS X - make ordinary SSH commands use SSH config

Here is a (somewhat redacted) listing of my ~/.ssh/config under OS X 10.6.8 Snow Leopard: Host * IdentitiesOnly yes Host foo1 IdentitiesOnly yes User foo1 HostName example.com ...
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0answers
3k views

Running rdesktop via SSH Tunnel causes ERROR: Failed to open display:

I can use rdesktop fine on my Linux Mint (3.2.0-23-generic kernel) system like this : rdesktop IPAddress However, I'd like to run rdesktop through my OpenSSH ssh tunnel. I using the following: ...
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1answer
202 views

Remotely generating key pair without passphrase

I'm trying to generate the key pair (without a passphrase) on a remote machine. The command I use for this is: ssh root@REMOTEIP ssh-keygen -t rsa -f /root/.ssh/id_rsa_new -q -N "" The output of ...
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2answers
165 views

Is there a difference if SSH key is created on serverside?

I've got a server running Ubuntu. I installed openssh-server and wanted to use ssh key for login purposes. Everything works fine except one thing. On Ubuntu's community site is written "This massively ...
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1answer
2k views

How to connect SSH to localhost in Windows7?

Connect SSH Secure Shell to localhost in Windows machine. What will be host name, username , port and authentication method filled in Quick connect of SSH? I tried with 127.0.0.1, but it is ...
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2answers
2k views

How do I forward a SSH port from any interface to a specific IP?

Here's the scenario: I have a desktop, running Windows 7 Ultimate. This desktop has VMware Workstation on it, and a virtual machine running a custom linux, that has OpenSSH installed and working. ...
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1answer
239 views

ssh authorized_keys on two machines

I have two machines with the same .ssh/authorized_keys (verified since (1) one is a copy of the other and (2) the md5sums of the file on both machines match) and the same /etc/ssh/sshd_config ...
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1answer
1k views

CentOS 6 sshd: Logging in works, but still claims “access denied”

I have just installed a plain CentOS 6.3 system. I enabled sshd, and try to connect with Putty. This works, but here is what I get: login as: user Access denied user@192.168.1.7's password: Last ...
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0answers
95 views

SSH through a tunnel or directly depending on the network I'm conncted to

Is it possible to "automatically" configure ssh to use a gateway to connect to a remote machine based on the client's IP address or something in the likes? Suppose I'm at my laptop, which I can plug ...
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0answers
202 views

Connecting SSH with OpenSSH key

I have a CentOS 6 server and I want to connect to it with a private key. On Windows, I use PuTTY Keygen and paste the public key in my server, in .ssh/authorized_keys2 (also tried authorized_keys, ...
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2answers
65k views

SSH Permission denied on Correct Password Authentication

I could successfully SSH into my machine yesterday with the exact same credentials I am using today. The machine is running Centos 6.3. But now for some reason it is giving me permission denied. Here ...
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3answers
1k views

How to configure ssh client to automatically execute commands on connect?

I frequently connect to servers through a user I share with other colleagues, every time I connect to each server I execute a couple of commands like bash, set -o vi, etc. I would want to know if ...
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1answer
1k views

Need help tunneling Remote Desktop (RDP) over SSH using OpenSSH

So heres my set up. The picture isn't "Exact" I have modified it, but it gives you an idea. The tools I am using are: PUTTY OpenSSH CYGWIN Remote Desktop VMware vCenter Server Version 5.1.0 ...
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1answer
4k views

Cannot successfully configure OpenSSH via CYGWIN in Windows 2008

I need help configuring OpenSSH on Win2008 via CYGWIN! THANKS in advance! I am trying to configure an OpenSSH server on Windows Server 2008 Datacenter via CYGWIN. I have installed and configured ...
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2answers
3k views

What's missing from my sftp chroot setup?

I've followed a half-dozen different tutorials on setting up chroot for sftp users, but my jailed users can still browse up into parent directories. I suspect my permissions aren't set up correctly, ...
2
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1answer
70 views

ssh not working with yes

I had to solve a fringe case lately where I had to add a number of server fingerprints to a user's known_hosts (the authorization is performed with a keypair). I thought the easiest solution would be ...
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5answers
8k views

How to edit known_hosts when several hosts share the same IP and DNS name?

I regularly ssh into a computer which is a dual-boot OS X / Linux computer. The two OS instance do not share the same host key, so they can be seen as two host sharing the same IP and DNS. Let's say ...
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0answers
549 views

ProxyCommand with sudo

I'm trying to set up SSH so that I can easily log into an server that is accessible only via a sudo to an intermediate server. From the command line, logging into it is of the form: sudo -u admin ...
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3answers
197 views

How to prevent a user from viewing the entire file-system?

I've set up SFTP/SSH so that a user can only put to their home directory, however, they can still cd to all other directories and get files that they see. How can I prevent this? EDIT: My ...
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0answers
408 views

trying to remote in to work computer via an ssh tunnel [closed]

Trying to remote into a windows machine from a mac using their instructions: On your home computer, install and open putty (http://www.putty.org/) Enter a name into the Saved Sessions field. Enter ...
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2answers
2k views

How can I SSH into home computer from internet

I have a setup like follows I have a router that connects to the INTERNET, where my ISP provides dynamic ip two systems are connected to the router with locl ip 192.168.1.2 and 192.168.1.3 the ...
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1answer
2k views

Stop ssh tunnel (stop listening on port without killing process)

In an ssh session, one can start tunneling with the keystrokes ~C and entering (e.g.) -L80:localhost:80. However, is there any way to stop tunneling on that port (short of killing the process)?
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1answer
3k views

Does the right half of the rsa public key matter?

In a public key file "id_rsa.pub" generated by ssh-keygen, does the part after the == matter? I ask because when I changed "root@somedomain.com" to "root", it seems to still work. More generally, I ...
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1answer
132 views

How do I check if a process (Firefox) has quit?

I am using Ubuntu 12.04 64-bit, with all updates installed. I made a simple shell script that starts a SOCKS5 tunnel and launches Firefox (with correct network proxy settings) to use the tunnel. How ...
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1answer
60 views

Are there situations in which ssh -t shouldn't be used?

Working within a framework commands are issued to remote machines using ssh. Recently the -t option was added to the command in order to get it to work properly with sudo. However this option will ...
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1answer
593 views

cygwin rsync over ssh very slow

I have 2 machines running Windows Xp SP3. I have cygwin installed on both, version 1.7. I have rsync and ssh installed on both, and configured using default settings as per ssh-host-config and ...
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1answer
405 views

Configure OpenSSH to use a non-windows account for authentication?

Is there anyway to configure OpenSSH to use a non-windows account for authentication? I want to create a kind of virtual user, where I can login with credentials I've created specifically to login in ...
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1answer
143 views

Run SSH trough a proxy

I have a question. How can i run SSH trough a proxy or a SSH Tunneling Protocol? For example i have a computer(Ubuntu) with ip eg. 123.123.123.123 and i want to connect to my server trough a proxy ...
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1answer
37 views

Setting up ssh group keys without affecting ~/.ssh/config in Linux

I have to setup an ssh group key used for publishing to a remote git repository. As git (as well as I presume many other programs) don't allow defining a flag lag ssh -i the information which key is ...