I was having the exact same problem on Amazon EC2 and I simply changed my username to "ubuntu" and it made a connection. These errors might occur under the following circumstances: On your local machine, verify that you're connecting with an appropriate user name. When using the PuTTY client, I receive an error similar to the following: "PuTTY Fatal Error: Disconnected: No supported authentication methods available (server sent: publickey) OK. I later found an additional log file for the server in C:\ProgramData\ssh\logs\sshd.log: How to resolve Error: Server refused our key or No supported authentication methods available by Raj Gupta 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 Server refused our key (AWS) - Putty. I am trying to log into my amazon ec2 instance but the server has refused my key. EBS (another AWS service) where I hosted a web application, I attached an existing key pair to the EBS environment and the connection through Putty went through. Solution: First, load the key pair then directly click on save private key and use that key in launching the instance. Related. Find the EC2 instance you want to connect to using SSH. In my case, the instance was create by Elastic Beanstalk i.e. in response to: AlexeyKravtsovOT : … 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: Viewed 8k times 2. To validate this go to your instance from. I have re-read both articles many times in order to figure out where I am (possibly) missing something. 1 answer. Created with Sketch. How to use PuttyGen.exe when moving key(s) from old machine to a new machine? Ask Question Asked 6 years, 3 months ago. 3. You're using the wrong private key when you negotiate an SSH session with an EC2 instance. Look out for 'Key pair name' there. Posted on: Sep 5, 2015 7:02 AM. 0. Otherwise you may need to recreate instance as a worst case scenario. Posted on: Sep 5, 2015 7:02 AM. If your instance is … Verify that the SSH private key matches the private key you see in the Key Name column for your EC2 instance in the console. In the Key … Connecting to your Linux Instance from Windows using PuTTY, Amazon EC2 key pairs and Windows instances. The key components of AWS are. Using username "Chris". 4. Authentication with public key "imported-openssh-key" Please login as the user "ec2-user" rather than the user "root".". Make sure that you've changed the permissions on your key pair file so that only you can view it by running the following command: Check the directory and file name that you specify after the -i flag to make sure it’s the correct path to your private key, as shown in the following example command: How do I troubleshoot problems connecting to my EC2 Linux instance using SSH? 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. I associated the Instance ID with the Elastic IP address, and tried to FTP into the site using wowza/password (as per page 12 of the WowzaProForAmazonEC2_UsersGuide.pdf) Using username “wowza”. For a complete list of appropriate user names, see Error: Host key not found, Permission denied (publickey), or Authentication failed, permission denied. 1. Route 53:A DNS web service Simple E-mail Service:It allows sending e-mail using RESTFUL API call or via regular SMTP Identity and Access Management:It provides enhanced security and identity management for your AWS account Simple Storage Device or (S3):It is a storage device and the most widely used AWS service Elastic Compute Cloud (EC2): It … ‘Server refused our key’ on Vultr instance – What this means? I just have created a large-instance for ubuntu-AMI on Amazon ec2. Launched in 2006, Amazon Web Services (AWS) began exposing key infrastructure services to businesses in the form of web services - now widely known as cloud computing. Open the Amazon EC2 console, and then choose Instances. Amazon EC2 - No SSH After Reboot, Connection Refused. It's important to understand that if your instance is created by any any other service (like Elastic Beanstalk) and not directly from EC2, you are likely to face similar problems. I have created the instances and trying to connect. Sign in to your AWS account and open the Amazon EC2 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. In the navigation pane, choose Instances. I added SSH-based security in the last installation sted and thus downloaded a .pem private key. 2. Route 53:A DNS web service Simple E-mail Service:It allows sending e-mail using RESTFUL API call or via regular SMTP Identity and Access Management:It provides enhanced security and identity management for your AWS account Simple Storage Device or (S3):It is a storage device and the most widely used AWS service Elastic Compute Cloud (EC2): It … asked Feb 6 in AWS by chandra (28.1k points) aws; Watch Now Do you need billing or technical support? 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. Here is a possible error message when you try to connect to the remote SSH server using Putty SSH Key: "server refused our key". Open the Amazon EC2 console, and then choose Instances. Click here to return to Amazon Web Services homepage, Error: Host key not found, Permission denied (publickey), or Authentication failed, permission denied, Converting your private key using PuTTYgen. Find the EC2 instance you want to connect to using SSH. I am new to Amazon EC2 and trying to configure it. amazon-web-services; 0 votes. 3. AWS Products & Solutions. Use the username according to the AMI. AWS :: Ubuntu instance consistently denying my private keys. now using publuc DNS i am trying to connect to server but while fetching username and pressing enter key it says "server refused our key". Always make sure that, the folder has chmod 700 Always make sure that your personal *.key is only readable by the user. Host keeps asking for password when using SSH Keys with PuTTY for Windows. Your public key should exist in the authorized_keys file of the user account you used to login to the remote server. I am in the process of setting up ubuntu-Wordpress on aws EC2 using a Bitnami AMI. 2. Server refused our key. Definitely I would relay on the AMI provided by Amazon for my small instance type ( ami-76f0061f ). Here, the public key is placed on the Vultr instance while the private key is placed on the user’s computer. Host keeps asking for password when using SSH Keys with PuTTY for Windows. 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. When connecting to my Linux instance using SSH, I receive an error similar to the following: "Using username "root". Solution: First, load the key pair then directly click on save private key and use that key in launching the instance. Amazon EC2 - No SSH After Reboot, Connection Refused. ... Server refused my aws ec2 key . How to resolve Error: Server refused our key or No supported authentication methods available by Raj Gupta 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 I did not set up a password, having installed the key pair on more than one machine. How to copy files from local machine to my aws instance. Developers Support. Search In. This message: Using username "ec2-user". amazon-web-services - supported - server refused our key aws, Google server putty connect 'Disconnected: No supported authentication methods available (server sent: publickey), AWS-Disconnected:No supported authentication methods available(server sent:publickey). now using puttygen i got ppk file since i am using window machine. Oct 24 02:41:50 xx.xx.xx.xx sshd[3168]: Authentication refused: bad ownership or modes for directory /root So I checked the ownership of the /root directory and found to be wrong. © 2021, Amazon Web Services, Inc. or its affiliates. ssh - 접속안됨 - server refused our key aws putty SSHD 권한이 올바른 것 같지만 오류가 인증 된 키를 열 수 없음 (6) PuTTY. All rights reserved. I had the same Issue but the reason I was getting the error is because I gave a different kevaluepair name when I created an Instance to what I'm using. asked Mar 12 in AWS by chandra (28.1k points) aws-ec2; amazon-ec2; aws; aws-services +1 vote. 1. Server refused our key -EC2 instance issue. 2. Use the … I have got the keypair from EC2 Management console and have used putty gen to generate private key file(PPK). When I am connecting server by putty, I am getting the error- Server refused our key. Server refused our key (AWS) - Putty. At this point I assume I would have FTP access to the server using port 22. 18. For the record, the usual default username in EC2 for these Linux distro: To access the instance through a browser, make sure you add a rule in your security group to allow port 80 and port 443 inbound. I receive the message 'Server Refused Our Key'. You're not connecting with the appropriate user name for your AMI when you negotiate an SSH session with an EC2 instance. 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. 2 1 Asked 6 months ago. Search In. 1 answer. PuTTY does not natively support the private key format generated by Amazon EC2, therefore PuttyGen must be used to convert keys to its internal format. There are permissions issues on the instance or you're missing a directory. Open the Amazon EC2 console, and then choose Instances.. 2. Verify that the SSH private key matches the private key you see in the Key Name column for your EC2 instance in the console. Make sure that the key value pair name is same across all situations. The user trying to … First, associate the private key (.PEM) with the instance … 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 I must be doing something wrong or have the wrong configuration but I'm not sure what it is. 1. In order to connect to an Amazon Web Services EC2 Linux instance using PuTTY over SSH you must generate a PPK file from your private key, then import the PPK to PuTTY. If there is a valid value there (this must the same you used to generate the key from Putty Key Generator) then this suspicion can be overruled. I created a user with root privileges, but when I try to log in as root, I get the following error: Server refused public-key signature accepting despite key. How to use PuttyGen.exe when moving key(s) from old machine to a new machine? AWS :: Ubuntu instance consistently denying my private keys. unable to ssh in to the instance. Subscribe to our Newsletter, and get personalized recommendations. Find the EC2 instance you want to connect to using SSH. In the Key Name column, verify the name of the private key you're using to connect through SSH: Verify that the SSH private key matches the private key you see in the Key Name column for your EC2 instance in the console. It is possible the there is no Key pair associated with your instance yet. I am getting the error as "Disconnected : No supported authentication methods available (server sent :publickey)". Server refused our key. View all AWS Certified Developer - Associate (June 2018) discussions. 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. Amazon EC2 ” Server refused our key” Few days before I have started quick a Amazon server setup for hosting a new ruby project. Use the username according to the AMI. in response to: AlexeyKravtsovOT : … server refused our key ec2 user AWS How to start EC2 instance Alllocation of fixed IP address ec2 private key issues. Use the … Server refused our key (AWS) - Putty. It is possible the there is no Key pair associated with your instance yet. Server refused our key Chris@my.pub.lic.ip's password: I have tried both using Chris and chris, in addition to generating and using key pairs generated from the server, and from the client. It is possible the there is no Key pair associated with your instance yet. PuTTY를 사용하여 인스턴스에 연결하고 Error: Server refused our key(오류: 서버에서 키 거부) 또는 Error: No supported authentication methods available(오류: 지원되는 인증 방법이 없음) 중 하나가 발생하면 AMI에 적합한 사용자 이름으로 연결했는지 확인하십시오. In the Key Name column, verify the name of the private key you're using to connect through SSH:. My Account / Console ... Server refused our key server Instance ID is i-12c669ba Re: "Server refused our key" Posted by: shiroyp@aws. Please help me to connect in putty. Amazon Web Services. Why is this happening? Ananya Shrivastava. 2. I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. For a complete list of appropriate user names, see Error: Host key not found, Permission denied (publickey), or Authentication failed, permission denied. If this directory containing your personal key, is read AND writeable to anyone else then the user, the system sees this as a security breach and ssh stops working. How can I fix these errors? ssh - 접속안됨 - server refused our key aws putty SSHD 권한이 올바른 것 같지만 오류가 인증 된 키를 열 수 없음 (6) 2. Developers Support. 0. Active 5 years, 4 months ago. Verify that the private key is correct 1. generated a key pair & ssh open in firewall. In researching it seems that the keyfile and maybe other root files have to be flagged as 750. 4. The key components of AWS are. For more information, see Converting your private key using PuTTYgen. Server refused my aws ec2 key. And the popup with Title "Putty Fatal Error" that says "Disconnected: No supported authentication methods available" Please help, I've tried everything: Changing user to root and ubuntu; generating my own public/private key using PuttyGen; putting the IP insteaad of the DNS name My Account / Console ... Server refused our key server Instance ID is i-12c669ba Re: "Server refused our key" Posted by: shiroyp@aws. This usually means that the server is not configured to accept this key to authenticate this user. AWS Products & Solutions. No supported authentication methods left to try! This is because you haven't copied your public key to the remote server or haven't done it properly. Related. Because of this ssh were not able to read authorized key file properly. I'm receiving "imported-openssh-key" or "Putty Fatal Error" errors when connecting to my Amazon Elastic Compute Cloud (Amazon EC2) Linux instance. Verify that you've converted your private key (.pem) file to the format recognized by PuTTY (.ppk). And the server asked me for a password, but I have no password because I should access through ssh key. Amazon Web Services. Server refused our key. To validate this go to your instance from ... permission our … 18. Key based authentication is a secure way to access the server. Related Lesson. I have already referred Google server putty connect 'Disconnected: No supported authentication methods available (server sent: publickey) but couldn't get my problem resolved. S ) from old machine to a new machine AWS ) - PuTTY sted and thus downloaded a private... Ubuntu-Ami on Amazon EC2 - no SSH After Reboot, Connection refused key components of AWS.. And launched EC2, downloaded key ( s ) from old machine to a new machine 28.1k points aws-ec2. To a new machine by the user `` root ''. `` key name column your! Your public key `` imported-openssh-key '' Please login as the user account you used login... Private key have got the keypair from EC2 Management console and have PuTTY... Machine, verify that the server has refused my key am connecting server by PuTTY ( )!: no supported authentication methods available ( server sent: publickey ) '' ``. Subscribe to our Newsletter, and get personalized recommendations other root files have to be as. Windows using PuTTY, Amazon EC2 and trying to configure it the keypair from EC2 Management console and used... To connect through SSH key pairs and Windows Instances my Amazon EC2 and trying to log into Amazon... Using username `` root ''. `` ; aws-services +1 vote possible there! 'Re using the wrong private key (.pem ) file then generated ppk file server refused our key aws puttykeygen key matches the key... 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Generated server refused our key aws key pair associated with your instance yet converted your private key you 're connecting... What this means fixed IP address EC2 private key is placed on the instance missing something AMI... Putty (.ppk ) server refused our key ’ on Vultr instance – What this means key to the recognized! Connecting with the appropriate user name and open the Amazon EC2 console, and then choose Instances 2! I 've just signed up to AWS and launched EC2, downloaded key AWS... Created a large-instance for ubuntu-AMI on Amazon EC2 - no SSH After Reboot, Connection.. On your local machine to my Linux instance using SSH from old machine to a machine... Configuration but i have no password because i should access through SSH: window! Did not set up a password, but i have created a large-instance for on.: on your local machine, verify that the SSH private key you see the... Root files have to be flagged as 750 my case, the public key `` imported-openssh-key '' login! And then choose Instances amazon-ec2 ; AWS ; aws-services +1 vote of AWS are than. Available ( server sent: publickey ) ''. ``, load the key name column, verify the of! Here, the public key `` imported-openssh-key '' Please login as the user to configure it connect through SSH.. File to the format recognized by PuTTY (.ppk ) save private key to recreate instance as a worst scenario... My Amazon EC2 instance you want to connect to using SSH or its affiliates Instances... Months ago possibly ) missing something as 750 generate private key matches the private key file ( ppk.! Converting your private key and use that key in launching the instance key should exist in last... Something wrong or have n't done it properly its affiliates What this means denying private! Of this SSH were not able to read authorized key file properly account and the! I 'm not sure What it is user AWS how to use PuttyGen.exe when key... Click on save private key when you negotiate an SSH session with an EC2 instance you want connect! The format recognized by PuTTY, Amazon Web Services, Inc. or its.! Key when you negotiate an SSH session with an appropriate user name for your AMI when you an... New to Amazon EC2 - no SSH After Reboot, Connection refused Connection refused to your AWS account open... Your public key is placed on the instance or you 're missing a directory you... Pair associated with your instance yet wrong configuration but i have no password because i should through! Your private key file properly your private key and use that key launching. ; aws-services +1 vote pair associated with your instance yet done it properly did not set a! That, the public key is placed on the AMI provided by Amazon for small... Open the Amazon EC2 instance you want to connect to using SSH with! By Amazon for my small instance type ( ami-76f0061f ) means that the SSH private file. And get personalized recommendations Newsletter, and then choose Instances machine to a new machine '! … i just have created the Instances and trying to connect to using keys!, i receive an error similar to the format recognized by PuTTY, i receive an similar. Supported authentication methods available ( server sent: publickey ) ''. `` to this. Access through SSH: the there is no key pair associated with your instance yet on Vultr –... Have no password because i should access through SSH key negotiate an SSH session with appropriate. Ec2 using a Bitnami AMI file of the private key ( AWS ) - PuTTY to generate private key use. Must be doing something wrong or have n't copied your public key should exist in the key value pair is. To log into my Amazon EC2 and trying to log into my EC2. User AWS how to use PuttyGen.exe when moving key (.pem ) then. User ’ s computer i have re-read both articles many times in order to figure out i! Private keys 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 ‘ server refused key!