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

learn more… | top users | synonyms

1
vote
1answer
721 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 ...
2
votes
1answer
200 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, ...
2
votes
1answer
663 views

ssh private key works for root, but not for normal user

i have a linux (ubuntu 12) server, and a windows desktop. i am trying to connect via ssh and private key the server has these files rw------- root.root /root/.ssh rw------- root.root ...
4
votes
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 ...
3
votes
1answer
451 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 ...
6
votes
4answers
3k views

Secure remote editing of root-accessible files over SSH

As per security best practices one should not allow root login over SSH with password or keys. Instead, sudo should be used. However, if one wants to use SSH (SFTP) for remote editing of server ...
2
votes
0answers
376 views

Launchd not launching ssh-agent after plist edit

I'm trying to reconfigure my ssh-agent to have a timeout via the -t argument. I edited /System/Library/LaunchAgents/org.openbsd.ssh-agent.plist <array> ...
0
votes
1answer
99 views

I can not match group in ssh using RSA Key with passphrase

I have two accounts on my computer. One account is named bob. The other account is for a user named joe. I am using RSA key with a passphrase. I can connect BUT when I add the lines Match Group joe ...
1
vote
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, ...
0
votes
2answers
125 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 ...
1
vote
1answer
250 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: ...
1
vote
1answer
546 views

make command for installing OpenSSH on Ubuntu

I am currently trying to compile OpenSSH on Ubuntu. I am following the steps below which I got from the openssh website; (ref: http://www.openssh.com/openbsd.html) OpenSSH 6.2: March 22, 2013 ...
0
votes
1answer
352 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 ...
2
votes
1answer
2k views

Cygwin OpenSSH closes immediately after a connection

Trying to connect to cygwin-sshd using putty or cygwin ssh on localhost, here is all I get. I have it working fine on a different Win7x64 machine but this one is proving hellish. Config files for ...
1
vote
1answer
183 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 ...
0
votes
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: ...
0
votes
1answer
127 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 # ...
2
votes
1answer
177 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 ...
0
votes
1answer
1k 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 ...
1
vote
2answers
147 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 ...
0
votes
1answer
89 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 ...
4
votes
2answers
1k 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. ...
0
votes
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 ...
2
votes
0answers
92 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 ...
0
votes
0answers
197 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, ...
0
votes
1answer
220 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 ...
6
votes
2answers
55k 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 ...
3
votes
3answers
6k views

SSH public keys not working

I've spent a few hours trying to solve this, but have gotten nowhere. The server is running CentOS 6 and using OpenSSH. The client is running OpenSSH too. I created a public key on the client (my ...
1
vote
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 ...
1
vote
1answer
3k 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 ...
3
votes
2answers
716 views

Keep alive with MyEnTunnel or other SSH-background tunnel app

I'm successfully using MyEnTunnel to forward traffic to a remote SOCKS-server. If I don't use the tunnel for a while the connection seems to turn stale, but doesn't fail, hence the browser waits for ...
2
votes
1answer
65 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 ...
2
votes
2answers
307 views

Cannot scp file to an EC2 instance that I can ssh to

I have two EC2 instances that were created from the same AMI, which was created from the Amazon Linux AMI. These are running mysql in a master-slave configuration. The security group ("db") is ...
1
vote
0answers
500 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 ...
4
votes
2answers
3k views

Cannot connect to my mac via SSH

I want to open a connection to my mac (10.8) via SSH. An SSH-server is installed by default on OSX. Remote login is enabled, so the service is running and I can connect to to localhost via ssh. ...
2
votes
3answers
178 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 ...
1
vote
0answers
371 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 ...
1
vote
2answers
1k 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 ...
0
votes
2answers
28 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 "$". ...
1
vote
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)?
3
votes
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 ...
1
vote
1answer
129 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 ...
1
vote
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 ...
2
votes
1answer
546 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 ...
1
vote
1answer
376 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 ...
3
votes
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 ...
1
vote
1answer
142 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 ...
1
vote
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 ...
0
votes
1answer
94 views

ssh key reset every computer restart

Every time I restart my computer I have to ssh-add my ssh key. I already have ssh key added on github. Does anyone know how to fix it? Thanks.
1
vote
1answer
2k views

How to deal with ssh's “WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!”? [duplicate]

Possible Duplicate: Ignore known-hosts security in SSH for some addresses I often need to login to multiple remote stations that are just placed to the same static IPs for me. SSH complains ...