putty server refused our key no supported authentication methods available

Server refused our key. le-cloud-sdk\bin\sdk\scp.EXE] exited with return code [1]. Authenticating with public key "key-comment". I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. You can also provide a link from the web. Verify that the correct permissions are set for the instance and that no directories are missing. https://forums.freenas.org/index.ph...ows-clients-using-putty-on-freenas-9-3.34893/, Unofficial, community-owned FreeNAS forum. . Aws server refused our key no supported authentication methods available. Disconnected: No supported authentication methods available (server sent: ) Authentication log (see session log for details): Using username "username". But when I try to login using the public/private keys I generated, I get "Server refused our key" message. I did all the things above but still the server is sending No supported authentication methods available (server sent public key) ... Right-clicking in PuTTY to paste the key string to the commandline, it works out like this ... server refused our key. No supported authentication methods left to try! I have re-read both articles many times in order to figure out where I am (possibly) missing something. I searched lot of tutorials and after that I found the below solution. I must be doing something wrong or have the wrong configuration but I'm not sure what it is. I can login using userID and password fine. You will also receive "Disconnected : No supported authentication methods available (server sent :publickey)" when you have a correct Linux user but you haven't created the file .ssh/authorized_keys and saved the public key as indicated in Managing User Accounts on Your Linux Instance But I have been at it for a week… I think a training video would be good. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. ssh - sent - server refused our key no supported authentication methods available Server refused public-key signature despite accepting key! 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. ... No supported authentication methods available (server sent public key) ... No supported authentication methods available (server sent public key) See also. For a list of valid user names, see Troubleshooting Connecting to Your Instance - Error: Server Refused our key or No supported authentication methods available. I think you are right about the permissions as I have re-set it up for root and it works with the 600 permissions on authorized_keys. When generating the private key using puttygen "DO NOT" click "Generate" just use "Save Private Key" and use that key. No supported authentications offered. Please follow and you will get success. When I try to connect to my sftp server with filezilla it says the following "Disconnected: No supported authentication methods available (server sent: publickey)", however before this message comes a window pops up asking me if I trust the servers host key and I say yes. If there are several lines, the respective carriage return must be deleted. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy, 2021 Stack Exchange, Inc. user contributions under cc by-sa, https://stackoverflow.com/questions/23146158/ssh-authentication-with-key-files-server-refused-our-key/23159761#23159761, https://stackoverflow.com/questions/23146158/ssh-authentication-with-key-files-server-refused-our-key/52786704#52786704, https://stackoverflow.com/questions/23146158/ssh-authentication-with-key-files-server-refused-our-key/44100634#44100634, ssh authentication with key files: server refused our key, https://askubuntu.com/questions/306798/trying-to-do-ssh-authentication-with-key-files-server-refused-our-key. Click here to upload your image By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Here are the steps I used (https://askubuntu.com/questions/306798/trying-to-do-ssh-authentication-with-key-files-server-refused-our-key): When I try this configuration, I get "Server refused our key" message and, after entering the password, I can login. For a better experience, please enable JavaScript in your browser before proceeding. After I removed this extra character, the key was accepted. Enter the user name in the User name box in the PuTTY Configuration window. We use cookies to ensure you get the best experience on our website. Disconnecting error: No supported authentication methods available (server sent:publickey,gssapi-keyex,gssapi-with-mic) How do I resolve this issue? Server refused our key. There are permissions issues on the instance or you're missing a directory. No supported authentication methods left to try! 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. Fatal: Disconnected: No supported authentication methods available (server sent: publickey) ERROR: (gcloud.compute.copy-files) [C:\Program Files (x86)\Google\Cloud SDK\goog. I am using PuTTY to access my ownCloud server. the key must be in ONE single line. Server Refused our key Error another solution which worked for me. I can login using userID and password fine. If you see one of these messages, it means that the server has refused all the forms of authentication PuTTY has tried and it has no further ideas. Authentication failed. this is a micro instance Kernel ID: aki-825ea7eb amzn-ami-2011.09.2.x86_64-ebs (ami-1b814f72) In each case when I try to log into the server I get "server refused our key" followed by "Putty Fatal Error: No supported authentication methods available (server sent: publickey)." In PuTTY you can manually adjust the translation option to UTF-8. 2011-12-27 13:53:55 Disconnected: No supported authentication methods available (server sent: publickey) this is the key which is generated on the server and at the very same moment its not being accepted by the server. Authentication failed. 0. As soon as I add the key to a user it changes the permissions for that file to 775 and it won't let me change it back, even though I have sudo enabled and it gives me this error: I'll bet you have that user's home directory in a dataset with Windows permissions. I've enabled os login (by adding the enable-oslogin = TRUE flag to the metadata). Navigate to the private key in your file system and select it. The public key will be redisplayed again in the appropriate format. (max 2 MiB). JavaScript is disabled. Offered public key ! Nov 4 17:37:05 hello sshd[27298]: error: Received disconnect from 174.63.124.9 port 62346:14: No supported authentication methods available [preauth] Nov 4 17:37:05 hello sshd[27298]: Disconnected from 174.63.124.9 port 62346 [preauth] I am using PuTTY to access my ownCloud server. Disconnected: No supported authentication methods available (server sent public key) /var/log/auth.log contains. But at least I know what the problem is now. The line must start with a blank character then "ssh-rsa" followed by another blank and then the key. This may be because PuTTY has TIS or keyboard-interactive authentication disabled, in which case section 4.22.4 and section 4.22.5. previous page start next page 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. Server refused public-key signature despite accepting key! Initialised AES-256 server->client encryption ! You must log in or register to reply here. So I guess change the permissions to a linux type and then change it. I have tried it and it doesn't seem to work. What are the permissions on .ssh and authorized_keys? github: No supported authentication methods available (10) "... not sure what plink.exe or peagant.exe is ..." Since you ask: plink & pageant are part of the PuTTY suite, which is an implementation of SSH that supports Linux & Windows and is completely dominant on Windows. Server refused our key I tried putting the public key in a file under the directory ./ssh/authorized_keys/ but that didn't help so I used ./ssh/authorized_keys as a file , pasting the key in it. No supported authentication methods available: Server sent public key. Next to Load an existing private key file, click the Load button. The problem was that there was one extra invisible character at the end of the key ion authorization_keys file. . Using username "[email protected]". I use Putty and I get the following error: Disconnected: No supported authentication methods available (server sent: publickey) Key was generated using puttygen and was added to pageant. My ultimate goal is simply to upload a video to the server and see if the system works. Here are some of the ways that I've tried uploading the public key: We did not write this down and had to pay the price again. Disconnected: No supported authentication methods available (server sent: publickey) Authentication log (see session log for details): Unable to use key file "C:\doaprivatekey.pkk" (unable to open file) Using username "npcs". Register for the iXsystems Community to get an ad-free experience and exclusive discounts in our eBay Store. Using this ppk file I've tried to log in to the server via SSH using Putty but it's "PuTTY Fatal Error: Disconnected: No supported authentication methods available (server sent: publickey) OK These errors might occur under the following circumstances: You're not connecting with the appropriate user name for your AMI when you negotiate an SSH session with an EC2 instance. Ok here is the answer guys we spend a day trying to figure this out. Uncle Fester's Basic FreeNAS Configuration Guide (. Server refused our key . To access it I use putty on a Windows machine. The configuration is identical on all machines and the key is stored on every machine, I checked this several times. I was having the same issues as the user at the top of this post: Disconnected: No supported authentication methods available (server sent: public key) and in the putty window it says server refused our key. Unable to ssh EC2 using password - “Disconnected: No supported authentication methods available (server sent: publickey)” 2 Same SSH login process works for user A but not for user B Solved. To solve the "server refused our key" error, you can do the following steps: Open PuTTYgen , Go to File > Load Private key and open your Private Key File. Reading private key file "C:\Downloads\Putty\putty\LED-identity.ppk" . There are three methods for verifying permissions and directories on the instance: Disconnected: No supported authentication methods available 2013-01-16 13:21 When i try to connect with a privatekey file, i have this message : Disconnected: No supported authentication methods available But when I try to login using the public/private keys I generated, I get "Server refused our key" message. Server refused public key ! It is as the title says. 10.11 ‘No supported authentication methods available’ This error indicates that PuTTY has run out of ways to authenticate you to an SSH server. However when I paste my public key into Forge (which adds it to the server) I'm not able to connect to it. Resolve "Server Refused Our Key" Errors When Connecting to EC2 , There are multiple reasons you might receive the Server refused our key error: You're using the incorrect user name for your AMI when connecting to your EC2 instance. Highlight the Public key that was created in the text box and copy it to the clipboard. I don't understand what you mean by permissions on .ssh and authorized_keys. I also tried generating a private/public key pair on the server, putting the public key in ./ssh/authorized_files and loading the private one in PuTTY on my client. While doing this procedure you need to remember two things1. But, why I am getting this message? To adjust the translation option, follow these steps: Open the PuTTY general configuration.

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