Append the SSH public key to the user data script as shown in the following example. Amazon EC2 ” Server refused our key” Few days before I have started quick a Amazon server setup for hosting a new ruby project. Hi, By using putty generator I generate a publicssh key and privatessh key and i copied and pasted the created publickey in the directory .ssh,while configured privatekey in putty terminal in client while im login in using private key … Most commonly, PuTTy is used, which requires that you convert the OpenSSH key to a PuTTy formatted key, and then use that key to login. Working on improving health and education, reducing inequality, and spurring economic growth? chmod 600 .ssh/authorized_keys. If you find them useful, show some love by clicking the heart. Server refused our key. When the message “Server refused our key” appears and connection cannot be established Check the following points. How you log in also depends on your OS. I must be doing something wrong or have the wrong configuration but I'm not sure what it is. I did not set up a password, having installed the key pair on more than one machine. I guess it does not make any sense right. Active 5 years, 4 months ago. When prompted for the save path, try using the direct path. I was curious if I created a file with the name name_of_key then possibly it could somehow help it just write to the file. I go to Generate and save the two files. For example, for root, ~/.ssh already exists so it doesn’t need to be created. Determining the Root Device Type of Your Instance, temporarily remove the instance from the Auto Scaling group. Contribute to Open Source. Mother f… I thought maybe I screwed up when I created the .ssh folder so I deleted it and created it again using root.. yeah no still failed. You get paid, we donate to tech non-profits. Just tried latest ssh Server both on Win10 and Win 2012 server R2 and connected using putty client. Finally SSH! Google Cloud Platform: ssh from VM_1 in project_A to VM_2 in project_B. The keys were created using PuTTy Key Gen. I can then copy the “Public key for pasting into OpenSSH authorized_keys file. A sure I thought I would try. You’ll be prompted for a save location, use: Choose a passphrase when prompted; confirm it. All rights reserved. Supporting each other to make an impact. I made sure I used the OpenSSH key to paste into this nano ~/.ssh/authorized_keys For more information on Session Manager and a complete list of prerequisites, see Getting Started with Session Manager. Google Cloud Platform - SSH Connection Refused. Write for DigitalOcean chmod 0700 ~/.ssh I then tried again going through the console on the site to see if that would work and still no luck. For more information, see How can I use the AWSSupport-TroubleshootSSH Automation workflow to troubleshoot SSH connection issues? To validate this go to your instance from ... permission our … Permissions of the .ssh directory and the authorized_keys file The permission of .ssh should be 700, and the permission of authorized_keys should be 600. On your local computer, verify the SSH public key. Kay copying this bloody comment and hope it doesn’t get marked as spam. Failed too. Open Putty, in the Category pane, expand Connection, expand SSH, and then choose Auth. Key based authentication is a secure way to access the server. In researching it seems that the keyfile and maybe other root files have to be flagged as 750. server refused our key ec2 user AWS How to start EC2 instance Alllocation of fixed IP address ec2 private key issues. I have done the following: This method updates permissions and injects your SSH public key into the authorized_keys file. Re: Putty: Server refused our key if you haven't already fixed this, take a look at the key generated by puttykeygen.exe on your Windows client - if you saved the public key (instead of copy/pasting it from within the PuttyGen window) it will contain extra stuff in there, like this: (the .... is just short for the rest of the string). The fates are conspiring against me here. It’s like it doesn’t have permission to create the file or something. Instance store data is lost when an instance is stopped and started. I am using a windows to access the server via PuTTY. However as you may have guessed SSH hates me :(, The key I used previously started with SSH-RSA. © 2021, Amazon Web Services, Inc. or its affiliates. 3… Just throwing it out there for anyone who may have a similar issue in the future: I always forget to set file permissions properly when I set up ssh for a new user on my server. Are you sure you want to replace the current answer with this one? How do I resolve this? Be aware that if your instance is instance store-backed or has instance store volumes containing data, the data is lost when the instance is stopped. How you’d go about setting it up really depends on whether you’re trying to set it up for root or for a non-root user. And skip 4+5. Open puttygen and click on Conversions => Import Key. Change the user name according to your specific AMI. I don’t know what to do, why is SSH not easy to setup, I want it to be secure but no lets make it stupidly hard! After genning a new key, making sure I didn’t accidentally remove any of the first characters in the cut and paste of the public key (great hint btw), I found this: In putty, under File, SiteManager, Advanced tab, click “UNIX” for server type. 1. Unable to SSH Google Cloud Engine instance through gcloud & Putty from Windows 10. If you connect to your instance using SSH and get any of the following errors, Host key not found in [directory], Permission denied (publickey), Authentication failed, permission denied, or Connection closed by [instance] port 22, verify that you are connecting with the appropriate user name for your AMI and that you have specified the proper private key (.pem) file for your instance. Click here to return to Amazon Web Services homepage, Troubleshooting Connecting to Your Instance - Error: Server Refused our key or No supported authentication methods available. Came up with the below error. I have two users who are only ftp users I set them up using [this guide ](https://www.digitalocean.com/community/tutorials/how-to-set-up-vsftpd-for-a-user-s-directory-on-ubuntu-16-04) If the signature of the SSH public key isn't present in the output, then append the correct key to the user data script that you created in step 5 (if the signature matches, then you can skip this step). 4 days ago How to describe a ECS cluster with AWS CLI? 4 days ago Create a service that uses an external deployment controller. 4. I go to connect and no lucky, big fat “Server refused our key” What you’ll see once the key is generated is: Now, we’ll add the key to authorized_keys. If the signature of the SSH public key isn't present in the output, then append the correct key to the user data script that you created in step 5 (if the signature matches, then you can skip this step). I know how to chroot (jail) a user to a folder, but now i need a user to be able to upload and edit but not download files (is this possible). root@www:~# sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="/GRUB_CMDLINE_LINUX_DEFAULT="panic=5 /' /etc/default/grub I'd like to SFTP into the directory, either via WinSCP or Putty. AWSSupport-TroubleshootSSH installs the Amazon EC2Rescue tool. This is an amazing post thank you so much for the detailed answers. cd ~ I’m a go grumble over here and be incredibly appreciative of any help lol. I then try to use FTP to create a file called name_of_key and it is created. ‘Server refused our key’ on Vultr instance – What this means? We’ll convert it to PPK using puttygen. Or that you’re connecting with a wrong private key, after you’ve added the public key to the server. Recent in AWS. The following instructions to convert openssh key (generated with ssh-keygen) to ppk worked for me. It is possible the there is no Key pair associated with your instance yet. I can easily accomplish this with my SSH Key from LightSail account and the ubuntu username (no password). I have re-read both articles many times in order to figure out where I am (possibly) missing something. I am being more concise in this comment at least. Hub for Good I tried it via PuTTy and via the website console. Yep I assumed for SSH stuff I would need root to be safe. You're trying to connect using the wrong user name for your AMI. I go back through the steps further and decide to delete the .ssh folder entirely (via FTP) and start again with root and the commands: mkdir ~/.ssh I used PuTTY Key Generator to do it. You previously marked this answer as accepted. In this example, ec2-user is the user name. The start of the key is "ssh-rsa” I follow the tutorial: https://www.digitalocean.com/community/tutorials/how-to-create-ssh-keys-with-putty-to-connect-to-a-vps. In my next article, we’ll use WinSCP to upload an EC2 private key file (.pem) to our server, and use it to create a new user whose only job is to secure access to our Web server’s public_html directory. This image of the console may help. That being said, the easiest method of deploying SSH keys is to simply deploy them with the server so that you don’t need to physically add the initial one (for the root user). It’s an extra step, but many programs use PuTTy key format (such as FileZilla). It's a best practice to use an Elastic IP address instead of a public IP address when routing external traffic to your instance. Unable to connect to S3 when running Talend job as lambda. I just wanted to say thank you so much for taking the time to help me with this and having so much patience! I went through the setup using a user I setup but then I redid it all using the root just to be sure. If you’re on Windows, it’s a little different depending on what you use to log in. For all other users, it does and you need to set proper permissions on those directories. the full explanation is available at https://arlimus.github.io/articles/usepam/. Choose Actions, Instance settings, View/Change User Data. I try to create a directory in that .ssh folder and it won’t allow me too. I … I tried going through the steps again and again a bust. "Permission denied (publickey)" and "Authentication failed, permission denied" errors occur if: Verify that you're using the correct user name for your AMI. After Login in to the Instance you need to go to folder path … The following is a list of the correct permissions: The following is an example of the ls -ld command and the resulting output. SSH hates me and the commenting system now hates me because I wrote a detailed reply and it decided to mark it as spam. Confirm that the key was added by running: If the public key shows up, we’ll delete the public key from the server using: Now you need to download your private key to your PC/Laptop. 4 days ago I'm receiving "Permission denied (publickey)" or "Authentication failed, permission denied" errors when trying to access my Amazon Elastic Compute Cloud (Amazon EC2) instance. Server refused our key (AWS) - Putty. Change name_of_key to whatever you like :-). There are permissions issues on the instance or you're missing a directory. 6. Please note that we try to keep the Terraform issue tracker reserved for bug reports and feature requests. How can I connect to my Amazon EC2 instance if I lost my SSH key pair after its initial launch? Really thank you so much this help. I had a similar problem - Filezilla gave an error when trying to upload a file, even though it logged in correctly, showed the directory tree of the server correctly, too. If you run into issues leave a comment, or add your own answer to help others. A question can only have one accepted answer. The steps are almost the same, but differ slightly. After regaining access to your instance, remove the user data script. I tried this last year and gave up, thought I would give it a crack. Stopping and starting the instance changes the public IP address of your instance. Append the SSH public key to the user data script as shown in the following example. To correct permissions, run the following commands on your EC2 instance. I signed in using root. Once you’re able to login, you need to delete the private key on the Droplet. How can I use the AWSSupport-TroubleshootSSH Automation workflow to troubleshoot SSH connection issues? I followed your steps but when it comes to saving it fails and the below error is displayed. At this point I assume I would have FTP access to the server using port 22. Here, the public key is placed on the Vultr instance while the private key is placed on the user’s computer. I first want to say thank you very much for being so incredibly patient and detailed in your replies! So my first question would be, what OS are you using (MacOS or Windows)? One difference is the command to close was “Esc, :, w, q, Enter” That did not work so I looked it up and SHIFT + Z + Z saves the file and closes it. I have no idea why the tutorial is using vim or even sudo. chmod 0644 ~/.ssh/authorized_keys. If so, just to troubleshoot from a different perspective, I would log in to the Droplet and then generate a key on the server. When you log in to the server to add the public key, do you do that as root? That’ll get you setup for root. 2. 6. 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. I have a Lightsail Plesk Instance running with one website attached. I can create files and delete them, I cannot create directories though. Method 2: Run the AWSSupport-TroubleshootSSH Automation procedure. I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. The website is live and serving as expected. Note: Installation of the SSM Agent is required to use this method. Are you sure you want to unaccept it? On your local computer, verify the SSH public key. Ask Question Asked 6 years, 3 months ago. If the signature of the SSH public key isn't present in the output, update the authorized_keys file to allow your SSH key. Ask Question Asked 1 year, 9 months ago. I can’t believe it was /root/.ssh/ that caused all of this. RSA key login worked for me. This will save the ppk file for the ec2 server that you are trying to connect. Choose Browse and select the .ppk file that you generated for your key pair and choose Open. I rechecked the file and it indeed saved it. Your public key should exist in the authorized_keys file of the user account you used to login to the remote server. In bullet 3, simply run this nano ~/.ssh/authorized_keys to edit your key. Server refused our key (AWS) - Putty. On your local computer, verify the SSH public key. root@www:~# grub-install /dev/vda 1 day ago How to create a new service in ECS cluster behind a load balancer? I would like to change their default permissions when creating... Building out a platform that has a number of systems that will each need authentication. After installation, the tool checks for and corrects some issues that cause remote connection errors when connecting to a Linux machine through SSH. Server Refused our key error:while login putty. It creates the folder and the above file. Definitely I would relay on the AMI provided by Amazon for my small instance type ( ami-76f0061f ). Thank you so much for this question. If your instance is … chmod -r 700 .ssh Viewed 8k times 2. Copy the following user data script into the View/Change User Data dialog box, and then choose Save. The above command gets the contents of your key and adds it to the file. I receive the message 'Server Refused Our Key'. Verify that the SSH private key matches the private key you see in the Key Name column for your EC2 instance in the console. ... Server refused our key centos@ec2-xx-xxx-xxx-xx.ap-south-1.compute.amazonaws.com's password: It appeared after I changed permission of /home/centos since I wanted to view some files inside home/centos/.local folder. https://www.digitalocean.com/community/tutorials/how-to-create-ssh-keys-with-putty-to-connect-to-a-vps, https://arlimus.github.io/articles/usepam/. 6. Some of these systems are public facing websites that will be used by the public and other systems are internal use only. Ha ha ha. 3. touch ~/.ssh/authorized_keys Choose Instances from the navigation pane, and then select the instance you are trying to launch. AWSに対し SSH接続およびSFTP接続を行いたい。 ・状況と疑問 AWSで作成したpemをロードし、秘密鍵を作成。 それを使用し、AWSヘルプを参照しながら、puttyでSSH接続をおこなおうとしたところ、 ユーザ名を入力後、「 Server refused our key 」というメッセージが In the following example, replace the example key with your SSH public key. The only thing I can think of would be that you didn’t convert from PuTTY to OpenSSH. I catch it and solved through this topic. 3. If you still have your key rejected despite having all of the permissions and ownership set correctly, you may need to change the user’s password from the default “locked” (which is a hash that is or starts with !) Transfer Files to AWS EC2 Instance. Is it possible to configure an sftp user for uploading and editing but NOT downloading files? Is this SAFE for... Sign up for Infrastructure as a Newsletter. DigitalOcean makes it simple to launch in the cloud and scale up as you grow – whether you’re running one virtual machine or ten thousand. Share it with others to increase its visibility and to get it answered quickly. to an “impossible” hash (assuming you don’t want the user to log in with a password) with usermod -p "*" username. No seriously freaking THANK YOU!! I did this multiple times to get it to work and always using the root account. No supported authentication methods left to try! If logged in as root, that’d be /root/.ssh, so to save a key, you’d use: If you’re creating a key as a user, then it’d be the users’ home directory plus .ssh. Ah nano is so much easier to use. Next, what program are you using to try to login, Terminal (Mac OS), PuTTy, or something else? An EC2 instance is a virtual server (Just like our computer, but in the cloud) in Amazon’s Elastic Compute Cloud (EC2) for running applications on the Amazon Web Services (AWS) infrastructure. Choose the private key that you downloaded from your Droplet. Your question has been posted! Now I understand what mean ~ = root. Event Log: Server also has ecdsa-sha2-nistp256/ssh-rsa host keys, but we don't know any of them Event Log: Host key fingerprint is: Event Log: ssh-ed25519 256 6a:48:a7:a3:11:fe:78:60:98:48:ef:b9:f0:cf:ab:45 Outgoing packet #0x2, type 21 / 0x15 (SSH2_MSG_NEWKEYS) Event Log: Initialised AES-256 SDCTR client->server encryption Event … Additionally, check that the correct user:group is assigned. The permissions are incorrect on the instance. ssh - 접속안됨 - server refused our key aws putty SSHD 권한이 올바른 것 같지만 오류가 인증 된 키를 열 수 없음 (6)