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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Mass creating users who can login via ssh keys but not with a password

I am trying to mass creating users that can login via ssh private/public keys but which can not login with users (kind of like using newusers but I want to make sure users will not be able to login ...
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1answer
389 views

How to use ssh-agent.exe without cygwin for pass-phrase protected private key?

I would like to access a SSH service with pass-phrase protected private key in Windows using ssh-agent.exe. So far I able to utilize ssh-agent.exe by changing environment setting in my home account ...
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1answer
64 views

After I switch default SSH ports, why does NMAP display port service as “down”

Running Ubuntu 13.04, I edit sshd_config to change Port 22 to Port 2022 When I reload my sshd service and nmap the server from my local machine, I get this: PORT STATE SERVICE 2022/tcp open ...
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3answers
64 views

Chroot sftp jail seems to be insistent on not working

So I followed this guide to the letter: http://markshust.com/2013/04/01/how-setup-chrootd-sftp-account-linux and a few other guides as well, but I seem to be incapable of getting a connection. I am ...
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1answer
27 views

OpenSSH client refuses to use a new key file

After generating a new ssh private key (id_rsa) on one server and distributing it across a server network, one server is failing to use the new key, and falls back to password authentication instead. ...
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1answer
30 views

What is the keyword in .ssh/config for tunneling in the background?

In command line option, we can specify -N -f to let it run in the background. How about the identical keywords in .ssh/config? Instead of doing ssh dest -N -f -L 1337:localhost:1337 I would like to ...
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2answers
2k views

How to make ssh log in as the right user?

I use ssh on a variety of machines, mainly linux. Accounts on these machines vary in naming scheme: if my name is First Last, then I have accounts: first, flast, last_f, lastf, and sometimes I need to ...
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2answers
9k views

change default username when ssh to another pc [duplicate]

When I ssh between different pcs I can omit my username (tom) and just type ssh pc_name instead of ssh tom@pc_name I like this feature, and have got into the habit of using it. Unfortunately, ...
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1answer
59 views

direct ssh connection when default proxy is configured in ~/.ssh/config

Here's my ssh config: Host *.* ProxyCommand /usr/bin/connect-proxy -S proxy.home.net:1080 %h %p It sets a default proxy for domains containing dots. I want to change it to connect directly ...
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3answers
4k views

Cygwin sshd did not start due to a logon failure

After a cygwin sshd install, sshd service fails with: Error 1069: The service did not start due to a logon failure I try to give cyg_server standard user and admin access. The error is the same ...
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0answers
23 views

Connecting to Windows with OpenSSH using External IP

HELP I have been working on this issue for a few days now and its really getting frustrating, any help would be greatly appreciated. I will start with my setup. I have AT&T U-verse which comes ...
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2answers
1k views

OpenSSH (Windows) to SSH (Linux) key auth not working

I've setup an OpenSSH server on my windows machine and have been able to successfully SSH from windows box to my Linux machine (and vice-versa) successfully. Although, I am not able to set up key ...
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1answer
492 views

I am trying to ssh into a server and it hangs at login

I am trying to ssh into a server and it hangs at login. This is the output of ssh -v: OpenSSH_5.8p1 Debian-1ubuntu3, OpenSSL 0.9.8o 01 Jun 2010 debug1: Reading configuration data ...
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1answer
94 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 ...
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1answer
3k views

sshfs “Connection reset by peer”

ssh -i ~/keys/id_rsa root@192.168.1.201 Enter passphrase for key '/home/avin/keys/id_rsa': Last login: Tue Jul 17 11:01:28 2012 from 192.168.1.240 [root@rsh_management ~]# exit logout it's ok i'm ...
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1answer
294 views

Is there an equivalent to ssh-copy-id with OpenSSH in Powershell?

I'm using PowerShell and have OpenSSH 4.6 installed. I'd like to use ssh-copy-id so I can login using a key without doing through the manual process of copying keys to servers. Is there an equivalent ...
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1answer
72 views

Bash command substitution and variable issue

I am writing some simple backup utility in bash and any output must be in JSON. I am checking for host reachability and if any error occurs, I want to print it out. However, I have an issue with ...
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6answers
7k views

How to tunnel port 25565 through SSH?

I want to play a game which is hosted on port 25565 (minecraft!), but my university firewall does not allow this port. I have a dedicated server running linux not too far from uni, so I think there's ...
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1answer
77 views

Can not connect via sshd on scientific linux 6

I try to connect over ssh to my working machine (in the same network). The machine is reachable by ping and responds with the password prompt when I try to ssh it. But doesn't accept the password. I ...
0
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1answer
42 views

Why my reverse ssh is closing when I try to connect to it?

I'm using a reverse SSH tunnel on Debian with openssh-server and autossh: something like -R 1234:localhost:22 with a monitoring port also set. Generally, it works well, but I'm having the following ...
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0answers
219 views

Can I use a password ssh login on a passwordless windows 8.1 account? (Cygwin)

I recently installed Cygwin + OpenSSH (package) on Windows 8.1. However, I'm only using one passwordless Windows account on that machine, but I would like to login with SSH remotely with password (for ...
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9answers
18k views

How do I skip the “known_host” question the first time I connect to a machine via SSH with public/private keys? [duplicate]

How do I skip the "known_host" question the first time I connect to a machine via SSH with public/private keys?
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33 views

Questions to ssh connection with keys

I think of using sftp as transfer for backups and using keys instead of passwords. I understand it works this way: I've got 2 servers: server1 and backup I want server1 to connect to backup and ...
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1answer
3k views

How to add pointers to filesystems outside the chrooted environment - using chrooted SFTP via OpenSSH

So, I'm pretty sure this is true, but I haven't found a specifically detailed independent reference that directly answers my question. Question being: How can I add access to a resource that is ...
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1answer
90 views

OpenSSH ~/.ssh/config host-specific overrides not working

I've tried setting up my ~/.ssh/config file with the help of this guide. However, the host-specific User override has no effect and ssh tries to connect using the global username instead of the ...
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6answers
28k views

OpenSSH server refuses to accept key authentication

I tried to use public key authentication on my new server, and I came across this problem. $ ssh -v -i .ssh/server 192.168.1.100 OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration ...
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1answer
66 views

OpenSSH, FreeBSD screen overwrite when closing application

I installed a fresh FreeBSD 10 on a VM and connected via SSH and I've noticed that whenever i close a program (e.g., htop, top, nano etc) the contents of the session gets overwritten. This doesn't ...
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1answer
755 views

Forwarded connection refused by server: Administratively prohibited [open failed]

I sometimes use PuTTY as a SOCKS proxy, and I've noticed that sometimes, when the web-page I'm trying to connect to (from the web-browser) does not exist, and requires a prolonged timeout, the shell ...
2
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1answer
2k views

git pull does nothing / git push just hangs / debug1: expecting SSH2_MSG_KEX_ECDH_REPLY

I had an issue in ubuntu 13.10 and 12.10 where attempting to connect to github (git clone / pull / push or anything) would fail with no output. I checked my /.ssh directory for config and any ssh ...
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212 views

Running Python Code Remotely

I have the following situation: I want to write and debug python code in my Laptop with public IP Then send it to some remote desktop(with private IP) in my University for running the code that will ...
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217 views

OpenSSH on a Windows box using domain authentication: can't logon

On my windows 2008 box I just did what the steps said: mkgroup -d >> ..\etc\group mkpasswd -d -u username >> ..\etc\passwd In my passwd file, I see my user like it's been pulled in from the ...
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3answers
396 views

Alternative ssh server - which is possible to configure to allow all connections without authentification?

Please tell me, is there a ssh server with this unusual capability? Or I would have to edit the source code of openssh-server and recompile?
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4answers
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Can someone explain the 'PasswordAuthentication' in the /etc/ssh/sshd_config file?

On this page, the explanation given is: The option PasswordAuthentication specifies whether we should use password-based authentication. For strong security, this option must always be set ...
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0answers
34 views

passwordless ssh-keygen not working [duplicate]

I've seen many pages on ssh problems similar to this but so far none of them answer my question. I've been trying to set up passwordless ssh for a while now with little success, I'm creating a blank ...
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0answers
89 views

authorized_users permissions while using a symbolic link

I recently had to replace my primary drive because some sectors were going bad and could not be recovered. Anyways, In an effort to get the system back up and running quickly, I made my /home dir a ...
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0answers
62 views

Configuring SSH server to require RSA key

I'm trying to configure my SSH server to require users to have an RSA key. To do this I have the settings in sshd_config set to RSAAuthentication yes PubkeyAuthentication yes #AuthorizedKeysFile ...
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1answer
502 views

ssh <username>@<host> How do I find the user name and host name of my local machine?

I just installed openssh on my Xubuntu machine using this guide. It's installed successfully which I checked by doing ssh -v localhost. Now I want to ssh into this machine from my mac. I have my ...
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2answers
113 views

How can I get the root account to generate an acceptable ssh key?

On an ubuntu machine I did the following: ~$ sudo su - [sudo] password for jamie: root@mydomain:~# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key ...
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2answers
641 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
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1answer
540 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 ...
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1answer
122 views

ssh config Host wildcards and fully-qualified names

I have a ~/.ssh/config file that looks like this: Host server* HostName %h.farm.example.com When I ssh server01, it connects to server01.farm.example.com correctly. But when I ssh ...
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1answer
1k views

Win7 OpenSSH config: no address associated with name

I am using OpenSSH on win7. My home dir is C:\Users\JG, and inside that dir I have the file C:\Users\JG\.ssh\config, with these contents: Host <redacted server ip here> HostName ...
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1answer
675 views

Exclude specific group/users from ForceCommand in OpenSSH ssd_config

I want to make ForceCommand internal-sftp and ChrootDirectory /jail the default for all users accessing a server via SSH. Only users in a certain group are allowed to escape this. How can I exclude a ...
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1answer
721 views

ssh localhost password-less Login not working

I have been trying to ssh localhost into the same machine. I copied the generated public key into the authorized_keys file. It still doesn't work. I have spent hours on trying to find a solution to ...
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2answers
331 views

SSH access via different ports on LAN vs WAN. Is it possible? How to configure?

I want to configure OpenSSH to use port 22 for LAN clients, but to use a non-standard port for all outside addresses. How would this be done? What I have in mind is imagined to be like this: Match ...
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10answers
25k views

Why does the “password” prompt take forever when I SSH into my Ubuntu 9.05 server?

Answer: It was, in fact, performing reverse DNS resolution. Based on the suggestions below and this article, I added "UseDNS no" to my sshd_config, rebooted ssh, and now the password prompt displays ...
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1answer
229 views

How do I enable auto-logout of Interactive ssh logins after one hour

I have requirement where I want my ssh seesion to target will logout after one hour,but currently leaving an ssh session to target board idle does not get auto logout after one hour. Below is what is ...
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0answers
20 views

SSH hangs at SSH2_MSG_SERVICE_ACCEPT received [duplicate]

Opened another question concerning this issue but it seems to have gone dead. I can't connect to anything; every ssh connection hangs indefinitely at SSH2_MSG_SERVICE_ACCEPT RECEIVED. I'm on OSX ...
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1answer
752 views

SSH Constantly Hangs at SSH2_MSG_SERVICE_ACCEPT Received

I'm having problems with SSH. I can't connect to anything; every connection hangs indefinitely at SSH2_MSG_SERVICE_ACCEPT RECEIVED. I'm on OSX 10.6.8. I'm thinking that it's a problem with my SSH ...
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3answers
5k 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 ...