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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Cannot connect to local SSH server - bad file number

I have an Odroid XU4 with Ubuntu 14.04 server on it. I installed the ssh server with apt-get install openssh-server. I got the local IP with hostname -I, which is 192.168.0.186, I generated a random ...
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1answer
23 views

SFTP server for Windows with its own users and folders?

anyone knows if there's a SFTP server for Windows, with these features? 1. sftp users db is separate from windows users (preferably a simple text file with user/password pairs or some kind of db with ...
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0answers
20 views

“Network error: Software caused connection abort” with Windows OpenSSH server

I followed this tutorial on installing an SFTP/SSH server on Windows, but I am having problems trying to connect to it. When using either PuTTY or WinSCP, I get the error "Network error: Software ...
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1answer
25 views

unable to enable ssh1

First, let me begin by saying that I am aware that SSH1 is totally inferior to SSH2. Now, having said that... I am trying to enable SSH1 and am unable to do so. In /etc/ssh/sshd_config there's this ...
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0answers
18 views

Permission denied on ssh access with cygwin

I have a fresh Windows 10 family (x64) install with an Administrator account Jean Perrin. I installed cygwin with openssh and modified C:\cygwin64\Cygwin.bat this way: @echo off C: chdir ...
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4answers
2k views

Multiple SSH connections to the same system - is it possible?

I have a linux computer acting as a server which can accept incoming SSH connections. Is it possible to reliably connect multiple devices at the same time, such as my phone and laptop, as well as ...
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0answers
27 views

OpenSSH_6.2p2 on HP-UX B.11.31 ia64, sftp and ssh keys

We are running OpenSSH_6.2p2+sftpfilecontrol-v1.3-hpn13v12 on a Unix server (HP-UX, B.11.31, ia64 architecture). A client fails that tries to log on to our server using sftp and ssh keys (trying to ...
3
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1answer
68 views

FileZilla is connecting to localhost instead of SSH server (can connect via PuTTY)

I have a Linux OS running on another machine in my home network, with an IP Address of 192.168.178.85. On this machine, I have installed OpenSSH and it is running on port 22. I can SSH in using ...
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0answers
26 views

Ubuntu Server 14.04 - How to fix openssh “broken pipe” remotely?

I just set up an Ubuntu Server and configured it via SSH using openssh on the server. I had to restart and cannot connect via SSH due to Write failed: Broken pipe error. As far as my research goes ...
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1answer
17 views

Can I use the same key for SSH from different clients with the same username?

Situation: One server with SSH daemon. Multiple clients with the user myUser which should connect to the server via SSH. With password based authentication everything is fine. Now I would like to ...
1
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1answer
22 views

Ignore SSH host key verification for a subnet

I would like to tell my shs client(linux) to ignore the host key verification for a given range of IP addresses, is that possible ? Context : we have this DHCP range we use to build servers before ...
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1answer
14 views

How to setup ssh key login for a different user?

I am able to setup ssh key login for root user to my remote system from my local machine. Now I have created another user in my remote system like this, sudo useradd --system --gid webapps --shell ...
0
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1answer
13 views

SSH-agent not loading when remotely accessing the machine

I have this user account that I have correctly configured to manage my keys to ssh to other instances. When I sit in front of the machine my configuration works as described in my ~/.ssh/config ...
1
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1answer
13 views

Supress environment message after logging into server?

After logging into an OpenSSH server from OS X, the following message is printed: Last login: Sun Dec 27 15:47:12 2015 from 172.16.4.4 Environment: USER=jdoe LOGNAME=jdoe HOME=/Users/jdoe ...
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0answers
41 views

Can't run command using OpenSSH on Windows

I've just installed Win32-OpenSSH (from github) on Windows Server 2008 R2. It's up and running. Now I'm trying to connect from another host. The connection is established but I can't send commands. ...
1
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1answer
129 views

Getting “System error 1067” when installing OpenSSH

I try to install this OpenSSH package on windows Server 2008 R2. I applied all steps (except the firewall one) and all passed succesfully. When I try this command net start sshd I get this ...
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1answer
42 views

What's considered the most reliable deployment of OpenSSH?

I have to install OpenSSH on some Windows Server machines (2008 R2, 2012 R2, 2003). I see there are some deployments (this one from Wikipedia and another one on GitHub and there might be more). ...
3
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1answer
175 views

SSH DSA keys no longer work for password-less authentication

After upgrading to Fedora 23, passwordless (public-key-based) authentication no longer works in SSH: when trying to SSH to some host, it prompts for my password at the remote host. I can't get it to ...
4
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0answers
33 views

CPU spikes to 100% when using openSSH for windows

I am using openSSH for windows (OpenSSH 7.1p1-1). I noticed that after few days that the sshd.exe processes are at the range of 20% cpu the spike to 100% utilization all taken by the processes. i ...
0
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1answer
51 views

Cygwin Openssh key authentication doesn't work in Windows environment

I use Unison on a Windows 10 machine to backup my files to a remote server running CentOS. I connect to the remote machine without a password using OpenSSH and public keys in Cygwin. I have never had ...
1
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1answer
47 views

SFTP: Connection closed

I'm trying to connect via sftp to my Synology NAS 215j running sftp server. The sshd works great for root user, but when I do sftp as root, I'm getting Connection closed just after typing correct ...
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0answers
68 views

how to make non-root user to ssh using key instead of password?

I've recently purchased the Synology NAS 215j and having problems with SSH. Root user works as expected I've added my public key to /root/.ssh/authorized_keys... Problems with non-root user: sshd ...
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1answer
28 views

ssh closing connection during login for just one particular user

I'm facing this weird issue where the SSH server is closing the connection during login itself for this particular user. I never see the password prompt for the user, server closes connection even ...
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0answers
33 views

SSH can't read a key from custom authorized_keys file because of a comma

I inherited some code; among other things, there is a custom authorized_keys file with X.509 keys in a format like this one: x509v3-sign-rsa subject:O=GrandsChocolatiers Ltd.,OU=Management,OU=Top ...
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1answer
24 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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2answers
43 views

How does OpenSSH decide which host key to use?

By default, in my current version (6.9p1), OpenSSH Server will create four types of host keys: $ ls /etc/ssh/ssh_host_*_key.pub /etc/ssh/ssh_host_dsa_key.pub /etc/ssh/ssh_host_ecdsa_key.pub ...
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0answers
44 views

What may cause .ssh/config changes to be ignored

I had a ~/.ssh/config file that was working fine. it was in this format: Host * IdentityFile ~/.ssh/id_null TCPKeepAlive no ServerAliveCountMax 5000 Host *.domain.com User mydomainuser ...
0
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1answer
17 views

enabling multi factor authentication on openssh (publickey + password)

I'd like to make it so that you need to provide the SSH server with a password and an RSA key to login. I can make password protected RSA keys but in that case the password for the RSA key isn't ...
0
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1answer
36 views

Disable “Permanently added <host> …” warning on local LAN

I have the following in my ssh_config to connect to machines on my local LAN and machines in a VM: Host 172.16.*.* StrictHostKeyChecking no UserKnownHostsFile /dev/null However, each time I connect ...
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0answers
29 views

connect 2 lxc containers using ansible

I've got this error trying to connect 2 lxc containers using ansible, the errors are in the ssh part of. the simple playbook play1.yml is: - name: playbook comunicazione tra 2 container hosts: ...
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0answers
89 views

How to set up OpenSSH (server) on Windows 7?

What is the proper way to install OpenSSH (using the latest binary from mls-software) on Windows 7 and configure it to enable remote users to connect via password of public key authentication? I ...
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0answers
102 views

Kali Linux 2 on Raspberry Pi B - SSH autostart problems

I recently got a Raspberry Pi model B and I decided to install Kali Linux 2 on it. The only problem I'm getting is SSH services (OpenSSH) won't start on boot no matter what I try, making it impossible ...
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0answers
76 views

unable to install openssh-server on ubuntu

I downloaded Ubuntu 14.04.3 LTS (64-bit) from http://www.ubuntu.com/download/desktop and am now unable to install openssh-server. Here's what happens when I try: ubuntu@ubuntu:~$ sudo apt-get install ...
0
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1answer
47 views

Cannot connect with public/private key between different version of openSSH

I generate public/private keys to connecto to server with ssh without write password every time. I'm using: Client: Debian GNU/Linux 8.2 (jessie) with Kernel 3.16.0-4-amd64 OpenSSH_6.7p1 Debian-5, ...
0
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1answer
188 views

Can't get sshd_config Match User to work

Am exploring ssh on my el capitan laptop and have managed to get key-based login to work (using an account called adminuser). I now want to see if I can get another administrator account (called ...
0
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1answer
20 views

Specific instructions or workaround for SSH to iPhone

I am trying to ssh to a jailbroken iphone 4 (OS 7.1.2) from a macbook pro (OS 10.11.1) on university wireless network. The laptop and the iphone are sitting on the same desk, and the wifi router ...
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2answers
108 views

OpenSSH offering wrong public key

I like to work with some personal Github repos from my work computer (Windows 7) occasionally so after spending way more time than I bargained for learning about how SSH works I created a different ...
0
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1answer
37 views

AllowUsers with nothing following it in sshd_config file?

I have no way of testing this and can't find the answer online. If I put AllowUsers in my sshd_config file with nothing following it would the behavior be to allow everyone to SSH into the computer, ...
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2answers
54 views

Generate RSAv2 key in OpenSSH format in Windows

I have to generate a key, RSA v2 in OpenSSH format. I am a bit confused. I am trying to generate it using Putty Key Generator. There I see an option SSH2-RSA, SSH1-RSA. So is SSH2-RSA the RSA2 key or ...
1
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1answer
28 views

Why are there 2 ssh services?

I just downloaded a virtual appliance built on Debian and went to enable sshd but saw this: What is the difference between ssh.service and ssh@.service and where is sshd? I checked and ...
0
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1answer
48 views

Why is Rsync is only sending an incremental file list via SSH?

I’m trying to copy clean Arch Linux installation and send it to other VPS trought SSH. It doesn’t do anything else than send out an incremental file list. rsync -axH --delete -e ssh --stats -P build/ ...
3
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2answers
64 views

SSH escape key (“~”) only works when connection is stuck?

When I have an unresponsive SSH connection, I can kill it with <enter>~.. However, when the connection is responding, the ~ escape doesn't work. It just prints a tilda at the console. So if I ...
3
votes
1answer
177 views

SSH Public Key Authentication

I've been having trouble trying to authenticate my macbook air client using ssh to connect to my Raspberry Pi server. Are there any suggestions as to why this isn't working? Things I've tried: ...
0
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0answers
61 views

unable to initiate port forwarding with ssh

I start sshd on 192.168.1.8 with the following: sudo /usr/sbin/sshd -ddd I then try to open an SSH tunnel to 192.168.1.5:1234 and am unable to do so. Here's what sshd -ddd says: debug1: ...
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0answers
58 views

OpenSSH Windows 7 Public Key Authentication

I installed OpenSSH on a Windows 7 machine as LOCAL_SYSTEM account as the option and also allowed key size of 2048. I am able to connect using Windows login however when i implement Public key ...
0
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1answer
48 views

Public key authentication on Windows OpenSSH server

I have two Windows machines running on Ubuntu virtual box. Both machines have OpenSSH installed. I can connect from one to another using ssh and passwords, but I can not figure out how to use keys. I ...
0
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2answers
117 views

SSH: Permission Denied in Cygwin, works in Putty

I am trying to SSH into a server, where I do not have root privileges. I don't like using Putty, I prefer Cygwin. I can log into the server using Putty, but using the exact same private key and typing ...
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1answer
91 views

Error in running sshd as a service in cygwin

I am using cygwin run sshd. But now the sshd is not running as a service. When I start the service using 'net start sshd', Message comes like, "the cygwin sshd service could not be started.The service ...
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0answers
102 views

Cant access my device via SSH over internet

im running sshdroid server on my android device at port 22 and i get this while i use my pc to connect to it via ssh (LAN) root@kali:~# ssh -l root 100.107.219.116 The authenticity of host ...
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3answers
84 views

SSH over public LAN?

I am using two laptops (OS X and Windows 10) at a Starbucks and want to transfer a file from one to the other without using a USB flash drive. It is a large file so I don't want to send it over the ...