Putty server refused our key The client is a Windows box running PuTTY and the server is a Ubuntu 12. May 31, 2013 · Putty Fatal Error stating "Server refused our key" and "Disconnected: No supported authentication methods available (server sent: publickey)" after entering May 28, 2024 · SSH-2 RSA key (2048 bits), generated with puttygen In opnsense, I added the public key to the root username, into the Authorized Keys field. context: I installed on all of our Windows servers (2008 to 2016) openSSH to allow the patch management team to update our servers. If you use PuTTY to connect to your instance and get either of the following errors, Error: Server refused our key or Error: No supported authentication methods available, verify that you are connecting with the appropriate username for your AMI. ssh director May 30, 2012 · Putty: Server refused our key English Network/Internet macbaz May 30, 2012, 11:21pm I've just signed up to AWS and launched EC2, downloaded key (. Under Rocky 8 works well but on Rocky 9 returned “Server refused our key”. ssh/authorized_keys on the server. ” What am I doing wrong?? Oct 29, 2015 · 3 For any future searchers having this problem, I found one more issue. Login prompt: When I logged in as root, the server returned “Disconnected, No supported authentication methods available. I hope this community can offer a fix that I haven't found yet. I saw some posts but they require to be connected to the server in order to modify files/permissions from inside. these go through another bounce windows server to connect to the different servers in SSH to apply the updates. 3 server in my personal account (with my personal key To retrieve the public key for pasting into the . Oct 21, 2017 · If you use PuTTY to connect to your instance and get either of the following errors, Error: Server refused our key or Error: No supported authentication methods available, verify that you are connecting with the appropriate user name for your AMI. But when I try to login using the public/private keys I generated, I get "Server refused our key" message. Why do I get Server refused our key when trying to connect using SSH connection with Putty and when everything has been configured according to all the Tutorials? Generating the pair of keys from 13 You do not have the private key authentication setup correctly. Using this ppk file I've tried to log in to the server via SSH using Putty but it's Jun 11, 2020 · Hello, I have some problems on more than 15 servers in my infrastructure. The public key is this: ssh-rsa Sep 20, 2024 · Learn the possible causes and solutions for the PuTTY SSH error that occurs when the server refuses to accept the key provided. Apr 22, 2020 · I am connecting to the ec2 instance Amazon Linux AMI via putty and getting the error Server Refused our key Please provide a solution for this May 21, 2022 · Server refused out key problem in 22. ppk and tried to ssh using Putty, and I would get 'Server refused key'. Thank you for your answer steeldriver. When I attempt to connect using the public key from a putty-gen created pair, I get "server refused our key". Follow the steps to update PuTTY, check key format, re-authorize key, enable permissions, configure SSH server, or regenerate key. After I created the key using the ssh-keygen -t rsa command, I had to copy the public key to the authorized_keys file by performing a command similar to below: cat /home/<new user account name>/. I added SSH-based security in the last installation sted and thus downloaded a . May 22, 2014 · Every time I go to putty to ssh in, I get a “server refused our key” message and then I am asked to enter in my password. And used the private . 77 as of writing) and that solved my issue. I installed opensshd via apt-get and was able to connect to the server using putty with my username and password. On some servers I have errors (see screenshot): I did research but no solution This might happen because you are passing wrong ppk file (like passing public key file instead if private key) You are using public private key authentication here, you needs generate private key using putty key generator. I downloaded puttygen. I can still login using the same private key using FileZilla / SFTP. Nov 29, 2017 · Console message: Using username 'newuser'. Apr 13, 2017 · I am using PuTTY to access my ownCloud server. After much hair pulling I randomly updated Putty to the latest available version (0. ssh/authorized_keys. May 13, 2016 · I used puttygen to generate both my public and private key files (ssh2, 2048 bit). ssh/authorized_keys Then, you want to make sure that the permissions are set to 644 (rw r r) for the authorized_keys file. exe Jul 16, 2025 · Using PuTTY version Release 0. Check that key-based authentication is allowed by the server. I then try to connect via PuTTY (or stfp using the same key) specifying the new username and . 82-1 for the SSH connection. ssh,while Mar 4, 2024 · Make sure the authorized_keys file and the private key itself have the correct permissions and ownership. 04LTS. I have re-read both articles many times in order to figure out where I am (possibly) missing something. ssh/authorized_keys file on the server, you can use WinSCP too: Edit the session -> Advanced -> SSH -> Authentication. This is what I did (step by step): Configured new CentOS 6. Jun 11, 2013 · I'm trying to setup ssh authentication with key files in stead of username/password. This works fine if I use Putty, but the same key is refused when I try it with WinSCP. 1. Click OPEN to start a new SSH session. I receive the error "Server refused our key" when I connect to my Amazon Elastic Compute Cloud (Amazon EC2) instance through SSH. In the past I've added new keys for the root user successfully, but adding a new user and a key is failing to work. ip. Jan 11, 2022 · I have this public key in other servers as well, and I tried today some connection examples, for example from ubuntu desktop virtual machine to the same server (I think other tries made error, but now succesfully), and from this windows machine with PuTTy to another server in my local network, with same key pair for the same user alex (sucessfully) Jan 3, 2023 · I am using Putty to connect to my VPS servers. Mar 6, 2023 · “Server refused our key” On my new Rocky 9 installation I have the same procedure as on Rocky 8. pem) file then generated ppk file using puttykeygen. On server (Ubuntu 12. Server refused public key despite accepting key no supported authentication methods available (server sent publickey gssapi-keyex gssapi-with-mic) The only way for me to login via SSH now is to login via browser and enable "SSH Password Authorization Tweak", then use a user account to login and then sudo to root. I solved them in the following way: 1) username should be "bitnami" (ec2-user is not Apr 10, 2019 · Then, on the client, I select the private key file in Settings > Connection > SSH > Auth > Private key file for Authentication > C:\Users\Chris\Desktop\SSH-KEY\key1. Trying to use putty to create a SSH-tunnel I ran into the wellknown putty login problems, both regarding username and private key. Same issue with WinSCP. Dec 24, 2021 · How does compression relate to the server rejecting the key? AFAIK, that wouldn't affect key authentication - the server log will list what key was refused - does it match the key permissions were changed on? If you see one of these messages, it means that PuTTY has sent a public key to the server and offered to authenticate with it, and the server has refused to accept authentication. ppk key with putty. Steps I Took: Generate a new SSH key using Putty… Jul 10, 2024 · This is what I did: Generate the pair public_key & private_key during the oracle ol8 creation. ssh,while Jun 7, 2019 · On Windows 10 1809, I have enabled the in-built SSH server, and have configured it. Jun 29, 2024 · Server Refused Our Key in PuTTY SSH In this post, how to fix the below error when trying to connect to a Linux system using PuTTY with private key authentication. When trying to connect to a newly created server over SSH (for the first time), Putty prints out "Server refused our key". The same procedure works fine in 20. I copied the publ Jun 5, 2020 · I can login to the OpenSSH server via PuTTY using a username and password, but when I set up the private key in PuTTY, I keep getting error: Server refused our key My steps: Windows Server: Installed OpenSSH server Started OpenSSH server and Agent services Feb 1, 2015 · 3 As steeldriver pointed out, the RSA key goes into the authorized_keys file, not known_hosts. Follow the step-by-step guide with screenshots and commands for Windows 10 and Linux. I can login using userID and password fine. You will obtain the public key fingerprint in the correct format in PuTTYgen in Public key for pasting into OpenSSH authorized_keys file box when your load your private key. exe (client is windows 8). 04 LTS server. com from my username in putty - wha-la - no more refused key and I got into my GCE instance via windows/putty. Server refused our key Putty Message: Disconnected: No supported authentication methods available (server sent: publickey) I also tried logging into my root account and switching users. This is almost certainly not a problem with WinSCP. I have pasetd my private key in authorized_keys ,I have done all the required setups still I am getting "server refused our key". Create ~/. Jan 24, 2024 · I am getting back into web development and cannot connect to ANY newly created droplet using a SSH key. On another machine, I have used WinSCP and PuTTy generator to generate an authentication key. The default rsa KeyPairs generated with the EC2 console appear to be NOT accepted by default on the Ubuntu 22. Oct 24, 2020 · The keys are correct and sshd is configured correctly (read all previous SO questions for this problem). I have set up the settings in putty correctly and it is using the correct private key file. I then set about trying to get it to use public/private key authentication. 10 server setup in a virtual machine with its network set to bridged (essentially will be seen as a computer connected to my switch). Feb 26, 2019 · I had this issue and the root cause was confusing my full email w/ my username, after deleting off @gmail. Sep 9, 2011 · Hi, By using putty generator I generate a publicssh key and privatessh key and i copied and pasted the created publickey in the directory . I can access some system files with the IDL (Rstudio) but as a particular user, not root. Make sure the private key is readable by the SSH client. 04 Server Refused Our Key: How to Fix If you're trying to SSH into your Ubuntu 22. If you’re using PuTTY, make sure your SSH keys are properly configured for the session. pem private key. Jan 22, 2022 · Want to learn How To Fix “Server Refused Our Key”? Here are some easy steps to follow and to identify the problem. Server refused our key. As for the public key, Ubuntu 22. ppk file, but just get told the server has refused our key. Sep 29, 2016 · I am in the process of setting up ubuntu-Wordpress on aws EC2 using a Bitnami AMI. ppk I have double and triple checked: the public key that I pasted into authorized_keys corresponds to the private key that is loaded into PuTTY. 27 I have created my own EBS AMI, shared it with another AWS account, launched NEW instance based on this image with NEW key-pair and now when I am trying to connect to this new instance I am getting error: "Server Refused our key". PuTTY prompts for a username, but pscp does not, hence my confusion as to why PuTTY worked but pscp did not. Any ideas? Trying to connect from Windows with Kitty (improved PuTTy) Ubuntu Server 20. On my Putty local pc, I generate the keys and … Server refused our key PuTTY Fatal Error: Disconnected: No supported authentication methods available (server sent: publickey,gssapi-keyex,gssapi-with-mic) However, when you attempt to connect via the putty. " It was working fine before this. pem key from AWS and converted to . Jun 16, 2022 · And I have tried to login into the " Putty " and given user name has ubuntu & tried root as well but getting server refused our key. address and no luck. I've looked through some of the other questions that have to do with "Server refused our key", but this isn't a problem with the key pair itself, since it works with many other instances. 04 image. May 17, 2017 · I try to connect to a server using WinSCP and I authenticate with a private key. Follow the steps below in order to resolve this issue. PS: I even created a different user, doesn't have nothing to do with what user I use, same error 124 I have a 12. 04 server and you're getting the error Server refused our key, don't worry, you're not alone. truenas. I have created a new VPS server (Hetzner cloud) and have chosen the existing SSH key, as a security measure. exe command line, it works: Apr 16, 2024 · putty是比较简洁方便的ssh登陆工具,使用ssh密钥登陆快捷高效,不需输入密码登陆,网上有很多putty ssh登陆debian等系统的设置操作方法,但有个坑必须提醒一下大家。在debian11升级debian12版后出现无法使用putty登陆,一直提示server refused our key,原因和解决办法如下。 Jul 6, 2009 · Then BROWSE for the wowza-keypair-putty. As part of our Managed Cloud Services, PuTTY "Server refused our key" even after following Oracle Cloud tutorials on how to import the key accurately! Hi, By using putty generator I generate a publicssh key and privatessh key and i copied and pasted the created publickey in the directory . Nor does it seem feasible that it could be any of the other common elements that have been working for other instances. Posting this solution to help others who may come across this problem. Enter the user name in the User name box in the PuTTY Configuration window. Feb 12, 2019 · Related topics on forums. Aug 12, 2023 · Putty: Server refused our key --- No supported authentication methods available (server sent: publickey) ssh: Permission denied (publickey). SSH debug logging ( LogLevel DEBUG3 ) shows: Authentication failed for user XYZ - server refused our key After extensive troubleshooting including the use of CyberArk diagnostics tools CyberArk support suggested the issue may be related to the operating system. I downloaded the . I used ssh newuser@my. Conn Dec 3, 2014 · On my Windows Client, I generated my public and private keys with puttygen and copied the public key into the authorized_keys file in my home directory Dec 16, 2019 · Configure SSH in Raspberry Pi using PuTTY (Server refused our key) Ask Question Asked 5 years, 11 months ago Modified 5 years, 11 months ago May 10, 2022 · Authentication failed. pub >>/home/<new user account name>/. Make sure you add the public key to your ~/. Apr 15, 2014 · For anyone else who runs into "Server refused our key", in my case it was because the username was wrong. Learn how to copy your public key to the authorized_keys file of the user account on the remote server to avoid the "server refused our key" error. ppk file from the selection box. com for thread: "Setting up SSH With PuTTY> "Server refused our key"" Unfortunately, no related topics are found on the New Community Forums. . I must be doing something wrong or have the wrong configuration but I’m not sure what it is. public key is in ~/. ssh/id_rsa. chmod 600 authorized_keys, sudo service ssh restart, and the server is up and running. Generate your Public and Private Keys using Putty Gen2. I generated the private key from puttygent and in the putty. 04. 3 LTS), I have put my public key in ~/. The authorized_keys file contains the following entry (copied from puttygen): Oct 31, 2023 · When trying to connect to an Oracle Cloud Linux/UNIX-Like Instance through Open SSH, the SSH client returns: "Server refused our key" Please note the following best practice: before you make any changes to the SSH config, start a second SSH session and ensure that it remains connected while you edit the settings. Export they Public Key to the Server3. change mode is correct. I cut the key out of the known_hosts, created and pasted it into the authorized_keys. The ls -la command will give Just upgrading the PuTTY utilities to the latest release did the trick in my case - no change in the public key added to authorized_keys on the server nor a change in the private key loaded into Pageant on the client was necessary. Nov 18, 2022 · 0 I upgraded our webserver to Ubuntu v22 and am now unable to login via Putty after restart, it says "Server Refused our Key," and a prompt "Disconnected: No supported authentication methods available (Server sent: publickey). I got this message, Permission denied (publickey). Nov 27, 2013 · 1 I am trying to setup putty for autologin using public key authentication (used puttygen). 04 x6 Server refused our key If you see this message, it means that WinSCP has sent a public key to the server and offered to authenticate with it, and the server has refused to accept authentication. This usually means that the server is not configured to accept this key to authenticate this user. What could be the reason behind it and how to overcome this issue ? Mar 1, 2023 · I need to connect using putty from a Windows10 Pro desktop. I created key pair using puttygen. yeho eaej lut zptvz xjmqrbm hmhuv yxvj tiow imrjkpg necs nseq tpo ozvunu dyucrd qztqkx