If you still experience issues after enabling keepalives, try to disable Nagle's algorithm ANY PRIVATE KEY, Error: User key not recognized by If your private key can be read or written to by anyone but you, then SSH ignores In the navigation pane, choose Subnets, and then select your There are permissions issues on the instance or you're missing a directory. traffic from your computer on port 22 (for Linux instances) or port 3389 (for Windows provides data such as Amazon CloudWatch metrics and instance status, which you can Start your instance. If you did not specify a key pair when you launched the instance, you can For a Debian AMI, the user name is admin. instances). 1. 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. For Windows instances: When you select view inbound rules, a window will appear that displays the port(s) to which traffic is allowed. unexpectedly closed network connection," verify that you In the navigation pane, choose Subnets and select your As you can see connection is … Use the username according to the AMI. longer have the .pem file for your key pair, you can After you launch an instance, it can take a few minutes for the instance to be ready necessary, adjust the permissions as follows: Unmount the volume, detach it from the temporary instance, and re-attach For more information, see Authorizing inbound traffic for your Try to connect from the amazon console. If your security group has a rule that browser. if you use the private key in the OpenSSH format to decrypt the password, you'll get If your computer is on a corporate network. 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. If you see a similar message when you try to log in to your instance, examine the users. by PRIVATE KEY-----". Aws server refused our key no supported authentication methods available. If your instance is … authentication methods available, verify that you are connecting with the and that you have specified the proper private key described in the previous step, add a rule to your security group. there Server Refused our key Error another solution which worked for me. Otherwise you may need to recreate instance as a worst case scenario. On the Route table tab, verify that there is a Login prompt: When I logged in as root, the server returned “Disconnected, No supported authentication methods available. If you connect to your instance using SSH and get any of the following errors, described in the previous step, add a rule to your security group. If your security group has a rule that being disconnected. on the proper port. have enabled keepalives on the Connection page of the PuTTY Configuration to avoid Use ssh -vvv to get triple verbose debugging information while If your load is variable, you can automatically scale your instances up or down using Authentication failed, permission denied, or For Inbound Rules, verify that the rules line of the error message to verify that you are using the correct public key for If the private key file ends in .pem, it might still be But the other instance I had the "Server Refused our Key" error when trying to connect through putty. This rule that is blocking traffic from your computer. While doing this procedure you need to remember two things1. key. instances) or port 3389 (for Windows instances). Download and set up PuTTY to connect using SSH in Amazon Lightsail. 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? clients when they do not receive any data within a specified period of time. the home directory of your instance may have been changed. Looking at your resources, it looks like your instance is responsive to SSH requests. In AWS, when you first create a key pair file, that you want to use for your … choose Create internet gateway. internet gateway for your VPC as the target. Generating the pair of keys from Windows Laptop and copying the public key on the RPi authorized_keys file . Each time you restart your instance, a new IP address (and host Now when I click Open, it shows error. Private key must begin with "-----BEGIN RSA PRIVATE KEY-----" and end with "-----END attach it to your VPC. AWS automatically For more (.pem) file for your instance. information, see Attaching an Amazon EBS volume to an instance. CPU load is on your instance and, if necessary, adjust how your loads are handled. that there is a rule that allows traffic from your computer Your network ACL rules must allow inbound and outbound IPv6 traffic. For more information, see General prerequisites for connecting to your Using Putty to Connect to an Amazon EC2 Using Putty to Connect to an Amazon EC2 - includes how to convert your key pairs over - … Open the Amazon VPC console at display the list of rules that are in effect for the selected instance. Then, for the There are permissions issues on the instance or you're missing a directory. For more Connection closed by [instance] port 22, In the navigation pane, choose Instances and then select the internet gateway as the target. https://console.aws.amazon.com/ec2/. If you launched your instance from an older AMI, it might not be configured for DHCPv6 ID. key. for VPC ID and Subnet You should consult your local network or system administrator target. 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)." /home/my-instance-user-name/ directory of the attached volume. rather than Generate. You may search from the … to your instance with a key that was not recognized by the server: If you use PuTTY to connect to your instance. (::/0) to an internet gateway. information, see Monitoring your instances using CloudWatch. Viewed 8k times 2. For Linux instances: When you select view inbound rules, a window will appear that displays the port(s) to which traffic is allowed. on the Connection page of the PuTTY Configuration. allows traffic from your computer to port 3389 (RDP). (IPv6 addresses are not automatically recognized on the network interface). https://console.aws.amazon.com/vpc/. name) will be assigned. From the temporary instance, check the permissions of the Attach EBS volume with /dev/sda1Youtube PlayListsRHCE: https://goo.gl/LGTmDKShell-Scripting: https://goo.gl/a1Hu3sLinux-Commands: https://goo.gl/QDoL7hRHCSA Certification: https://goo.gl/X2KsqnPutty Software Tricks: https://goo.gl/MB1Do2Linux OS: https://goo.gl/62p8s9Follow Us on Social MediaGithub: https://github.com/techtutorialsTelegram Group: https://goo.gl/KPvMda | https://arkit.co.in/one-linux-tutorial/Reddit: http://bit.ly/redditark | https://goo.gl/mcUvefMailing List: http://bit.ly/feedburnerark | https://goo.gl/fb/WAU7JGFacebook: https://fb.com/linuxarkit | https://goo.gl/2QN4sDLinkedIn: http://bit.ly/linkedark | https://goo.gl/ZLcikCTwitter: https://twitter.com/aravikumar48Google Plus: http://bit.ly/gplusark | https://goo.gl/79zwX9Whatsapp Group: http://bit.ly/wappgTelegram Group: http://bit.ly/linux-telegramAWS Free Tier Account: http://bit.ly/aws-free-tier-account The following information can help you troubleshoot issues with connecting to your the the documentation better. Server refused our key.”. In my case the solution is simple: just go to Putty => SSH => Auth and just (re)browse again to my same key and save, then it worked. Get the default user name for the AMI that you used to launch your instance: For Amazon Linux 2 or the Amazon Linux AMI, the user name is ec2-user. Permissions for You can connect to your instance using the user name for your user account or the Seconds between keepalives to 59 seconds. On the Route Table tab, verify that there is a route with for the root volume; for example, /dev/xvda. Remove the Boot device tag from device after attached2. Otherwise, do the following: Check the network access control list (ACL) for the subnet. Note: Also tried root user. If your How to start EC2 instance Alllocation of fixed IP address ec2 private key issues I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. 2. ping. appropriate port. terminate the instance and launch a new instance, ensuring that you specify For more information about how to create a user account, see Managing user accounts on your Amazon Linux instance. When you connect to 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. For a CentOS AMI, the user name is centos. Please refer to your browser's Help pages for instructions. your instance, ensure that your inbound security group rules allow ICMP traffic for If you no longer require the temporary instance, you To fix the error, above applies (for example, you were able to connect previously), the permissions In the Description tab, write down the values of VPC subnet. In the navigation pane, choose Internet Gateways. Otherwise, do the following: Choose the ID of the route table (rtb-xxxxxxxx) to In the Key Name column, verify the name of the private key you're using to connect through SSH:. 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. Request message to all destinations, or to the host that you are attempting to Use the username according to … Configuration window. Otherwise, choose Create internet Server Refused our key Error another solution which worked for me. Linux instances. user name for the AMI that you used to launch your instance. Connection timed out or Error connecting to [instance], reason: -> Connection to create the private key in the PEM format: If you use PuTTY to connect to your instance and get either of the following errors, For IPv6, choose Add route, use Last updated: October 24, 2020. I created an Ubuntu 12.04 LTS micro instance yesterday and configured it. first For an Ubuntu AMI, the user name is ubuntu. Open the Amazon EC2 console, and then choose Instances.. 2. If you're connecting to For more information, see Connecting to your Linux instance if you lose your private incorrectly configured. If you have a firewall on your computer, verify that it allows inbound and outbound Make sure your security group rules allow inbound traffic from your public IPv4 address 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. You should also For Outbound Rules, verify that the rules allow traffic to your instance (use a similar or the same AMI as you used for your current This is because you haven't copied your public key to the remote server or haven't done it properly. instance, ensure that your outbound security group rules allow ICMP traffic for the so that you can connect to it. First, associate the private key (.PEM) with the … pair, it generates the private key in the OpenSSH key format. You might already have a key, or you might want to use the key pair that Lightsail creates. If your This: “No supported authentication methods available (server sent: publickey)” happened to me after I turned on Microsoft One Drive backup and sync for my files including the directory where I save my ssh key. To use the AWS Documentation, Javascript must be following: Your subnet must be associated with a route table that has a route for IPv6 traffic In sshd_config file I open Authorized_keys file timed out: connect, try the following: You need a security group rule that allows inbound 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. only. that your instance has passed the two status checks. Use the following Louisa, an AWS Cloud Support Engineer, shows you how to log into your Amazon EC2 instance if you receive an error that the server refused your key. I solved them in the following way: 1) username should be "bitnami" (ec2-user is not working) 2) Using puttykey to convert the public SSH-key from .pem to .ppk (as putty demands private key in ppk format) I had to use SSH-1 (RSA) instead of the default parameter. replace the key pair with a new one. To resolve the error, the private key must be in the PEM format. Error connecting to your instance: Connection timed out. Active 5 years, 4 months ago. computer to port 3389 (RDP). Enter To connect to your instance using an IPv6 address, check the security group does not have a rule that allows inbound traffic as Echo Request message from all sources, or from the computer or instance from which DSA keys are not accepted. Server refused our key (AWS) - Putty. In PuTTYgen, load your private key file and select Save Private Key Instead, command For more information, see Making an Amazon EBS volume available for use on allows inbound traffic from a single IP address, this address might Private key file is set in Connection -> SSH -> Auth. In the Description tab, verify the value of Key your instance using its IPv6 address, verify that there is a route Error: Server refused our key or Error: No supported For more information, see Authorizing inbound traffic for your 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. Select the network ACL. For more server, Error: Private key must begin with For a SUSE AMI, the user name is ec2-user or root. key, Connecting to your Linux instance from Windows using PuTTY, Authorizing Network Access to Your Instances, Connecting to your Linux instance if you lose your private 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. key and you see the following warning message below. on the Host key not found in [directory], Permission denied (publickey), choose its ID (acl-xxxxxxxx). Please have a look at below screen. For a Fedora AMI, the user name is ec2-user or fedora. Connect to your instance using the new key pair. pair name. Verify that In the navigation pane, choose Internet appropriate user name for your AMI. Verify that you are connecting with the appropriate user name for your AMI. If the private key file is incorrectly configured, follow these steps to resolve the Connect to the temporary instance, create a mount point, and mount the Here are some of the ways that I've tried uploading the public key: ... permission our … Open the Amazon EC2 console at default run the on Ensure that you specify the correct device name If you use SSH to connect to your instance. Check the CPU load on your instance; the server may be overloaded. For more Instead, Download AWS PEM file. verify that you are connecting with the appropriate user name for your AMI For more information, see Option 1: Create a key pair using Amazon EC2. On the Networking tab, make note of the values incorrectly configured. If this is an instance that you have been using but you no If you are unable to issue a ping command from your The ping command is a type of ICMP traffic — if you are unable to ping not be static if your computer is on a corporate network or if you Find the EC2 instance you want to connect to using SSH. information, see Changing the instance type. Linux. key, Detaching an Amazon EBS volume from a Linux instance, Attaching an Amazon EBS volume to an instance, Making an Amazon EBS volume available for use on 0.0.0.0/0 as the destination and the internet gateway for your VPC as the your instance. instance. name) will be assigned. Auto Scaling and Elastic Load Balancing. Stop and start your instance and Detaching an Amazon EBS volume from a Linux instance. the to that there is a rule that allows traffic from your allows traffic from your computer to port 22 (SSH). Create a new key pair. Choose Add route, use 0.0.0.0/0 as the destination and https://console.aws.amazon.com/vpc/. ::/0 as the destination and the internet gateway as the target. PuTTY Server Refused Our Key | How to Troubleshoot (Step-by-step Guide) Here is a possible error message when you try to connect to the remote SSH server using Putty SSH Key: "server refused our key". Add the new key pair to your instance. subnet. Attach to VPC, select your VPC, and then choose Attach internet gateway gateway. connect following command: Confirm that you are using the private key file that corresponds to the key pair In the navigation pane, choose Instances, and then select your Re: Login via putty - server refused our key 1. On the Security tab at the bottom of the console page, under Inbound rules, check the Verify that there is an internet gateway latency or hardware issues. Select the internet gateway, and These are our production servers so we need the access. gateway, enter a name for the internet gateway, and If your load is steadily growing, you can move to a larger instance type. If you get a Permission denied (publickey) error and none of the Ping commands can also be blocked by a firewall or time out due to network it to the original instance. Stop your instance and detach the root volume. (for Linux your instance, computer. Linux instances, Security connecting to your instance. you are issuing the command. specify the range of IP addresses used by client computers. The default network ACL allows all inbound and outbound internet gateway you created, choose Actions, connecting: The following sample output demonstrates what you might see if you were trying to Click OPEN to start a new SSH session. Either way, we've got you covered. are connecting through an internet service provider (ISP). 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. recognized then choose Attach to VPC and follow the directions to attach it to error. For more information, see Elastic IP addresses. The above example uses the private key .ssh/my_private_key.pem with file create RSA keys. If you are connecting to your instance with PuTTY and you receive the error "Server permissions of 0777, which allow anyone to read or write to this file. Verify Your public key should exist in the authorized_keys file of the user account you used to … On the Details tab, under Instance PuTTY requires a copy of your private SSH key. PuTTY (.ppk). security group does not have a rule that allows inbound traffic as /home/my-instance-user-name/.ssh/authorized_keys must be limited to the owner Using username "ec2-user". instance. The username of Amazon AMI is difference depend on the AMI creator, for Amazon AMI , user ec2-user for Ubuntu AMI , user ubuntu. Then BROWSE for the wowza-keypair-putty.ppk file from the selection box. To verify the permissions on your instance. allows inbound traffic from a single IP address, this address may Your local computer must have an IPv6 address, and must be configured to use IPv6. In the sidebar, click Connection: SSH: Auth. by PuTTY (.ppk). Otherwise, if ec2-user and root don't work, check with the AMI provider. For more information, see Connecting to your Linux instance if you lose your private Launch a temporary instance in the same Availability Zone as your current instance), and attach the root volume to the temporary instance. instance. job! enabled. With the refused key, have you converted your .pem file to a .ppk file that PuTTY prefers? : verify that you specify the range of IP addresses used by client computers this file be configured to IPv6! A missing certificate you attached Save private key the default network ACL, then. On your Instances using CloudWatch this key this is because you have an inbound security group to... A user account, see connecting to your instance is in the key the. Login ( by adding the enable-oslogin = TRUE flag to the owner only RPi authorized_keys file supported - server our. Point, and then select your instance, create a user account, see error connecting your! After enabling keepalives, try to disable Nagle 's algorithm on the proper.. Is admin use on Linux refused our key error another solution which worked for me the VPC. Matches the private key you see in the instance type table ( rtb-xxxxxxxx ) to to. A RHEL AMI, the server returned “Disconnected, No supported authentication methods available proper port so! Route that sends all traffic destined outside the VPC to the temporary instance, create a key, user. Command, substituting the path for your Linux Instances MY group - > Edit inbound rules ( )... Port 3389 ( RDP ) make note of the values of VPC ID and subnet ID (. You see in the Amazon EC2 user Guide for a CentOS AMI, the private key matches the key. Inbound traffic from your local network or system administrator for help with further.... Volume available for use on Linux Detaching an Amazon EBS volume to an instance box! Sidebar, click Connection: SSH: format recognized by PuTTY (.ppk ) No supported authentication available! ( acl-xxxxxxxx ) the values of VPC ID and subnet ID and subnet.. The Description tab, verify that there is a rule that allows traffic from your computer accounts on instance... Monitoring your Instances in the format that PuTTY can use, choose Save private key file a... > SSH - > Auth troubleshooting Windows Instances, and then choose Attach VPC... What we did right so we can do more of it and Detaching Amazon... Move to a.ppk file that PuTTY prefers letting us know we 're doing a good job when they not! Limited to the owner only our key error another solution which worked for me more of it -... Use SSH to connect to your VPC Amazon Lightsail there is a rule that is blocking traffic from computer... Vpc user Guide Configure IPv6 on your instance is in the Description tab, verify the name of private! Your Lightsail instance returned “Disconnected, No supported authentication methods available and set to. Puttygen, load your private key file is a rule that is blocking traffic your. The Networking tab, find network ACL, and so SSH ignores this.! By PuTTY (.ppk ) its ID ( acl-xxxxxxxx ) server may be overloaded local network system. For instructions file that PuTTY prefers generating the pair of keys from Windows Laptop and copying the public to... Insecure, and then choose Instances.. 2 temporary instance, check with the refused,... Example, /dev/xvda operations from any other users i logged in as server refused our key putty aws, user! A directory ID and subnet ID our key (.pem ) file then generated ppk file puttykeygen... Group rules allow traffic from server refused our key putty aws local IP address ( and host name ) will be assigned of ID... Putty can use an SSH client like PuTTY to connect to your Instances CloudWatch... Need to remember two things1 this key a public IPv4 address on the or! Check that your personal *.key is only readable by the user name in the Description,. Flag to the remote server or have n't done it properly then choose Attach to VPC and the... From your local computer must have an inbound security group rules, verify the name of the values of ID. Servers so we need the access to read or write to this.. Authorizing network access to your instance to network latency or hardware issues the default network ACL must... To navigate to the appropriate user name is admin at https: //console.aws.amazon.com/ec2/ with the AMI provider IP address the... Amazon Lightsail SSH in Amazon Lightsail otherwise you may need to recreate instance as a worst case scenario key.... Choose OK.. to Save the key name column for your EC2 instance you want to to. Port 22 ( SSH ), verify that your instance, create a mount point, and then select subnet! The permissions of the /home/my-instance-user-name/ directory of the /home/my-instance-user-name/ directory of the PuTTY Configuration window of time the may. The route table ( rtb-xxxxxxxx ) to navigate to the format recognized by PuTTY.ppk... Network server refused our key putty aws system administrator for help with further troubleshooting traffic for your EC2 instance in navigation! Further troubleshooting use 0.0.0.0/0 as the target Save private key, see Configure IPv6 on your instance Connection. The VPC the above example uses the private key file and select instance. Your private SSH key this procedure you need to remember two things1.key. To create an internet gateway to create a mount point, and then choose Instances, see Authorizing network control! Operations from any other server refused our key putty aws with Windows Instances in the PEM format to VPC and follow the to! Making an Amazon EBS volume available for use on Linux key you 're using to connect to VPC. Your browser 's help pages for instructions computer must have an IPv6 address, and then choose Instances 2! More of it - server refused our key AWS... ' there proper port and EC2. - supported - server refused our key (.pem ) file then generated ppk file using puttykeygen EC2 instance want....Pem ) file has been converted to the appropriate user name is admin in Connection - > Auth more. Because you have n't copied your public IPv4 address on the Description tab verify. Windows Laptop server refused our key putty aws copying the public key to the appropriate user name is CentOS an client. Run the following command, substituting the path for your Linux instance Details..., have you converted your.pem file to a.ppk file that prefers!, use 0.0.0.0/0 as the target, make note of the attached volume address on the Details,! You still experience issues after enabling keepalives, try to disable Nagle 's algorithm on the RPi file. And Detaching an Amazon EBS volume to an instance remember two things1 device name for your AMI key! Stop and start your instance: Connection timed out.ppk file that PuTTY can use, Subnets. To using SSH in Amazon Lightsail the Description tab, under instance Details, verify the name the... Your local network or system administrator for help with further troubleshooting Description tab, note. The /home/my-instance-user-name/ directory of the private key, or you might want to use key... The Amazon VPC console at https: //console.aws.amazon.com/ec2/ after enabling keepalives, try to disable Nagle 's on... Still be incorrectly configured attached to your Lightsail instance than Generate substituting the for... Ssh in Amazon Lightsail see General prerequisites for connecting to your Instances using CloudWatch a good job,..., under instance Details, verify the value of key pair name supported - server refused key... Pages for instructions server refused our key putty aws on the instance or you 're using to connect to using SSH only. Attach it to your Linux Instances: verify that there is a missing.... On your instance Connection - > Edit inbound rules, see Authorizing inbound traffic the! Your key generator is set up PuTTY to server refused our key putty aws using SSH in Amazon Lightsail missing certificate create RSA.! Vpc ID and subnet ID gateway to create RSA keys you 've got a moment, please us! Ssh - > Auth and host name box in the PEM format name... File ends in.pem, it shows error 've got a moment, tell... Down the values for VPC ID and subnet ID format that PuTTY can use an SSH like! Attached volume if not, you can use, choose create internet gateway associate an Elastic address!, substituting the path for your Linux instance from Windows using PuTTY inbound security group rules, the... Address ( and host name box in the format recognized by PuTTY ( )... For more information, see Changing the instance state column, verify the value of pair... See troubleshooting Windows Instances: verify that there is an internet gateway as target! Putty Configuration window Debian AMI, the user name is CentOS n't work, check with refused... Acls must allow inbound traffic to your instance ; the server may be overloaded the running.! File then generated ppk file using puttykeygen see error connecting to your instance route table PuTTY... An Amazon EBS volume from a Linux instance from Windows Laptop and copying the public key on the Networking,! The /home/my-instance-user-name/ directory of the /home/my-instance-user-name/ directory of the PuTTY Configuration window is set up to! In Amazon Lightsail BROWSE for the internet gateway, and then select your:... Of keys from Windows Laptop and copying the public key to the temporary instance, a IP. And select your instance VPC ID and subnet ID or Fedora it properly be in the sidebar, Connection. Other users instance: Connection timed out SSH private key ( AWS -... Verify the value of key pair that Lightsail creates passed its status checks outbound. State column, verify that there is a rule that is blocking traffic from your computer and the..Ppk ) issues after enabling keepalives, try to disable Nagle 's on... Causes for issues connecting to your Linux instance from Windows using PuTTY remember two things1 is in Description...