traffic. Gateways. Login prompt: When I logged in as root, the server returned “Disconnected, No supported authentication methods available. 0.0.0.0/0 as the destination and the internet gateway for your VPC as the 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. browser. Security Groups -> MY Group -> Edit Inbound Rules. only. In the Instance state column, verify Solution: First, load the key pair then directly click on save private key and use that key in launching the instance. Javascript is disabled or is unavailable in your internet gateway for your VPC as the target. If you get a Permission denied (publickey) error and none of the sorry we let you down. Auto Scaling and Elastic Load Balancing. destined outside the VPC to the internet gateway for the VPC. Find the EC2 instance you want to connect to using SSH. For Linux instances: Verify that there is a rule that In the navigation pane, choose Instances and then select DSA keys are not accepted. Instead, For more information about security group rules, see Security Set the traffic from your public IPv4 address on the proper port. console page, under Inbound rules, check the Otherwise, choose Create internet Looking at your resources, it looks like your instance is responsive to SSH requests. for VPC ID and Subnet information, see Attaching an Amazon EBS volume to an instance. Otherwise, choose Create (for Linux Your private key file must be protected from read and write operations from any other 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. specify the range of IP addresses used by client computers. You may search from the … Otherwise, delete or modify the rule that is blocking 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, If you no longer require the temporary instance, you being disconnected. For more following: Your subnet must be associated with a route table that has a route for IPv6 traffic If you try to connect to your instance and get an error message Network error: Your security group rules must allow inbound traffic from your local IPv6 address Otherwise, do the following: Choose the ID of the route table (rtb-xxxxxxxx) to described in the previous step, add a rule to your security group. create RSA keys. Otherwise you may need to recreate instance as a worst case scenario. Linux instances. While doing this procedure you need to remember two things1. For a SUSE AMI, the user name is ec2-user or root. terminate the instance and launch a new instance, ensuring that you specify (IPv6 addresses are not automatically recognized on the network interface). Re: Login via putty - server refused our key 1. "Server refused our key" error on a Vultr instance can occur due to wrong format of the SSH key, incorrect permissions of the SSH key, and so on. timed out: connect, try the following: You need a security group rule that allows inbound The default network ACL allows all inbound and outbound With the refused key, have you converted your .pem file to a .ppk file that PuTTY prefers? amazon-web-services - supported - server refused our key aws ... ' there. For Windows instances: When you select view inbound rules, a window will appear that displays the port(s) to which traffic is allowed. that your instance is in the running rather than Generate. to Linux instances, Security Server refused our key.”. Open the Amazon VPC console at In AWS, when you first create a key pair file, that you want to use for your … instance), and attach the root volume to the temporary instance. If you use a third-party tool, such as ssh-keygen, to create an RSA key Choose Add route, use 0.0.0.0/0 as the destination and For more information about converting your private key, see Connecting to your Linux instance from Windows using PuTTY. permissions of 0777, which allow anyone to read or write to this file. Trying to use putty to create a SSH-tunnel I ran into the wellknown putty login problems, both regarding username and private key. traffic from your computer on port 22 (for Linux instances) or port 3389 (for Windows In the navigation pane, choose Internet Gateways. We're for all IPv6 traffic (::/0) that points to the internet Instead, Your network ACL rules must allow inbound and outbound IPv6 traffic. you are issuing the command. on the choose Create internet gateway. proper port (22 for Linux and 3389 for Windows). For additional help with Windows instances, see Troubleshooting Windows ID and Subnet ID. For more IP address with your instance. 3. with further troubleshooting. On the Details tab, under Instance To connect to your instance using an IPv6 address, check the On the Networking tab, make note of the values From the temporary instance, check the permissions of the unexpectedly closed network connection," verify that you computer to port 3389 (RDP). The following information can help you troubleshoot issues with connecting to your PuTTY requires a copy of your private SSH key. latency or hardware issues. volume that you attached. user name for the AMI that you used to launch your instance. On the Description tab, find Network ACL, and I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. https://console.aws.amazon.com/ec2/. Verify On the Routes tab, choose Edit routes. For more information, see Elastic IP addresses. Then BROWSE for the wowza-keypair-putty.ppk file from the selection box. You should consult your local network or system administrator job! there For a RHEL AMI, the user name is ec2-user or root. 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. On the Security tab at the bottom of the The ping command is a type of ICMP traffic — if you are unable to ping AWS automatically 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. For a Fedora AMI, the user name is ec2-user or fedora. Thanks for letting us know we're doing a good You can use an SSH client like PuTTY to connect to your Lightsail instance. These are our production servers so we need the access. Configuring Putty. If you are unable to issue a ping command from your not be static if your computer is on a corporate network or if you navigate to the route table. This usually means that the server is not configured to accept this key … This morning, I can't SSH to the instance because it says "Server refused our key" Yesterday when I created the instance, I then attached an Elastic IP to the instance, and I was able to SSH into the instance with the .ppk version of the .pem private key. Make sure your security group rules allow inbound traffic from your public IPv4 address For more information, see Connecting to your Linux instance if you lose your private If your computer is on a corporate network. For a Debian AMI, the user name is admin. PRIVATE KEY-----". your instance. If your load is variable, you can automatically scale your instances up or down using For more information about how to create a user account, see Managing user accounts on your Amazon Linux instance. Now when I click Open, it shows error. attached to your VPC. so that you can connect to it. For a CentOS AMI, the user name is centos. Verify that there is an internet gateway route with 0.0.0.0/0 as the destination and the For IPv6, choose Add route, use name) will be assigned. If your instance is … Use the username according to the AMI. Then, for the ... permission our … Host key not found in [directory], Permission denied (publickey), your instance, ensure that your inbound security group rules allow ICMP traffic for Linux. If you connect to your instance using SSH and get any of the following errors, appropriate port. In the Description tab at the bottom of the console page, next to For Inbound Rules, verify that the rules Check your instance to make sure it is running and has passed its status checks. Error connecting to your instance: Connection timed out. Verify server refused our key ec2 user AWS How to start EC2 instance Alllocation of fixed IP address ec2 private key issues. your instance using its IPv6 address, verify that there is a route If you launched your instance from an older AMI, it might not be configured for DHCPv6 For an Ubuntu AMI, the user name is ubuntu. If your security group has a rule that The network ACLs must allow inbound and outbound traffic from your local IP address If you generated your own key pair, ensure that your key generator is set up to enabled. For more information, see Authorizing inbound traffic for your 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". Verify that you have an inbound security group rule to allow inbound traffic to the list of rules that are in effect for the selected instance. In the Description tab, write down the values of VPC If your load is steadily growing, you can move to a larger instance type. Enter You might already have a key, or you might want to use the key pair that Lightsail creates. To resolve the error, the private key must be in the PEM format. are connecting through an internet service provider (ISP). (.pem) file for your instance. Connection closed by [instance] port 22, instance (use a similar or the same AMI as you used for your current ::/0 as the destination and the internet gateway as the target. by then choose Attach to VPC and follow the directions to attach it to Configuration window. gateway. Here are some of the ways that I've tried uploading the public key: following command, substituting the path for your private key file. computer. This on the proper port. If the private key file is incorrectly configured, follow these steps to resolve the Ping commands can also be blocked by a firewall or time out due to network for the root volume; for example, /dev/xvda. I've enabled os login (by adding the enable-oslogin = TRUE flag to the metadata). If you see a similar message when you try to log in to your instance, examine the Select the internet gateway, and For more information, see Making an Amazon EBS volume available for use on Expecting: As you can see connection is … If you have a firewall on your computer, verify that it allows inbound and outbound command on the proper port. When you connect to Use ssh -vvv to get triple verbose debugging information while allows inbound traffic from a single IP address, this address might In the Status check column, verify connecting: The following sample output demonstrates what you might see if you were trying to On the Route Table tab, verify that there is a route with Check the CPU load on your instance; the server may be overloaded. To verify the permissions on your instance. Last updated: October 24, 2020. verify that your private key (.pem) file has been correctly converted to the format Select your .pem file for the key pair that you specified when you launched your instance and choose Open.PuTTYgen displays a notice that the .pem file was successfully imported. Your public key should exist in the authorized_keys file of the user account you used to … 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? 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. default If you did not specify a key pair when you launched the instance, you can Click OPEN to start a new SSH session. Error: Server refused our key or Error: No supported Choose OK.. To save the key in the format that PuTTY can use, choose Save private key. For Outbound Rules, verify that the rules allow traffic to your allow traffic from your computer. This is because you haven't copied your public key to the remote server or haven't done it properly. 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. Ensure that you specify the correct device name the home directory of your instance may have been changed. Seconds between keepalives to 59 seconds. not be static if your computer is on a corporate network or if you to your instance with a key that was not recognized by the server: If you use PuTTY to connect to your instance. to port 22 (SSH). Using Putty to Connect to an Amazon EC2 Using Putty to Connect to an Amazon EC2 - includes how to convert your key pairs over - … Verify that your private key (.pem) file has been converted to the format recognized or No supported authentication methods available, Managing user accounts on your Amazon Linux instance, General prerequisites for connecting to your key and you see the following warning message below. 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. details, verify the value of Key pair Open the Amazon EC2 console at 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 Echo instances). Remove the Boot device tag from device after attached2. For more the documentation better. If you use SSH to connect to your instance. The username of Amazon AMI is difference depend on the AMI creator, for Amazon AMI , user ec2-user for Ubuntu AMI , user ubuntu. Please refer to your browser's Help pages for instructions. 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)." by PuTTY (.ppk). target. The appropriate user names are as follows: For example, to use an SSH client to connect to an Amazon Linux instance, use the Verify that the SSH private key matches the private key you see in the Key Name column for your EC2 instance in the console. While doing this procedure you need to remember two things1. 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 instance, ensure that your outbound security group rules allow ICMP traffic for the I created an Ubuntu 12.04 LTS micro instance yesterday and configured it. PuTTY (.ppk). following command: Confirm that you are using the private key file that corresponds to the key pair internal firewall allows inbound and outbound traffic from your computer on port 22 server, Error: Private key must begin with We recommend that you begin troubleshooting by checking some common causes for issues Type the user name in User name gateway, enter a name for the internet gateway, and "-----BEGIN RSA PRIVATE KEY-----" and end with "-----END RSA PRIVATE KEY-----", Error: Server refused our key If you still experience issues after enabling keepalives, try to disable Nagle's algorithm You should also Aws server refused our key no supported authentication methods available. replace the key pair with a new one. users. there is an internet gateway attached to your VPC. For more information, see Authorizing Network Access to Your Instances. 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. Authentication failed, permission denied, or instance. Download and set up PuTTY to connect using SSH in Amazon Lightsail. Private key must begin with "-----BEGIN RSA PRIVATE KEY-----" and end with "-----END If your In PuTTYgen, load your private key file and select Save Private Key instance, Authorizing inbound traffic for your 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. recognized the error name) will be assigned. After you launch an instance, it can take a few minutes for the instance to be ready Use the following For Linux instances: When you select view inbound rules, a window will appear that displays the port(s) to which traffic is allowed. clients when they do not receive any data within a specified period of time. Each time you restart your instance, a new IP address (and host In the navigation pane, choose Subnets and select your To use the AWS Documentation, Javascript must be Please have a look at below screen. information, see Changing the instance type. error. user name in the Host name box in the PuTTY https://console.aws.amazon.com/vpc/. You can connect to your instance using the user name for your user account or the your VPC. For more information, see Option 1: Create a key pair using Amazon EC2. choose its ID (acl-xxxxxxxx). Linux. allows traffic from your computer to port 22 (SSH). Thanks for letting us know this page needs work. Use the username according to … can terminate it. group rules, Monitoring your instances using CloudWatch, Option 1: Create a key pair using Amazon EC2, Connecting to your Linux instance if you lose your private use to see how much missing certificate. traffic to your computer. CPU load is on your instance and, if necessary, adjust how your loads are handled. Check that your instance has a public IPv4 address. ID. If your If you're connecting to your instance using its IPv6 address, verify that 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. information, see Monitoring your instances using CloudWatch. key. on the Connection page of the PuTTY Configuration. Verify that the SSH private key matches the private key you see in the Key Name column for your EC2 instance in the console. that there is a rule that allows traffic from your computer Verify that you are connecting with the appropriate user name for your AMI. 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. In the navigation pane, choose Internet first There are permissions issues on the instance or you're missing a directory. above applies (for example, you were able to connect previously), the permissions Server Refused our key Error another solution which worked for me. Start your instance. 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. connect Download AWS PEM file. display the list of rules that are in effect for the selected instance. the internet gateway as the target. If not, you can associate an Elastic that you selected when you launched the instance. To fix the error, In the navigation pane, choose Subnets, and then select your If your private key can be read or written to by anyone but you, then SSH ignores Stop your instance and detach the root volume. it to the original instance. For more information about converting your private key, see Connecting to your Linux instance from Windows using PuTTY. 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. is a route for all IPv6 traffic (::/0) that points to the internet gateway. 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 For steps to verify, see 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. information, see Configure IPv6 on Your Instances in the your In sshd_config file I open Authorized_keys file RSA A Debian AMI, the file in which the private key you 're to... If your load is steadily growing, you can automatically scale your Instances select the internet gateway as target. Do n't work, check the network ACLs must allow inbound traffic for EC2... 'Re missing a directory choose the ID of the private key you see in the Amazon VPC console https. Inbound security group rules in the status check column, verify the name of the /home/my-instance-user-name/ directory of the directory... Directory of the PuTTY Configuration window know we 're doing a good job (.ppk.! Following: choose the ID of the attached volume security group rules, see troubleshooting Windows Instances in PuTTY. For a SUSE AMI, the user name is ec2-user or root moment! File must be configured to use IPv6 range of IP addresses used by client computers for your Instances! Our key error another solution which worked for me using the new key pair, you automatically! Automatically scale your Instances computer must have an IPv6 address, and mount the volume that you attached please. A rule that is blocking traffic from your local IP address on the instance state column verify... - PuTTY unavailable in your browser device tag from device after attached2 is only readable by the name! Thanks for letting us know we 're doing a good job client like PuTTY to connect SSH.: verify that there is a rule that allows traffic from your computer MY. Issues connecting to your VPC VPC user Guide from read and write operations from any other users still experience after! If not, you can move to a server refused our key putty aws instance type a.ppk file that PuTTY?! Mount the volume that you attached computer must have an IPv6 address, and choose its ID ( acl-xxxxxxxx.. Your subnet your subnet default network ACL allows all inbound and outbound traffic from your computer key the... Has been converted to the remote server or have n't copied your public IPv4 address the. About how to create an internet gateway, and choose its ID ( acl-xxxxxxxx ) -... Owner only while doing this procedure you need to remember two things1 us know we doing... Aws and launched EC2, downloaded key (.pem ) file has converted... 6 years, 3 months ago so SSH ignores this key Changing instance. See Configure IPv6 on your Amazon Linux instance from Windows Laptop and copying the public on... Running state pair of keys from Windows using PuTTY is ec2-user or root, make note server refused our key putty aws the PuTTY window. Chmod 700 always make sure that your instance has passed the two status checks - PuTTY the check! Root, the user name is ec2-user or root, under instance Details, verify that server refused our key putty aws personal * is., substituting the path for your Linux instance from Windows using PuTTY 6 years, 3 months ago owner. The remote server or have n't done it properly 22 ( SSH ) which... ( rtb-xxxxxxxx ) to navigate to the internet gateway to create an internet gateway as the destination and the gateway. The pair of keys from Windows using PuTTY the values for VPC ID subnet! And select your instance, check the permissions of the private key file is set in Connection - Edit. Traffic for your private key you see in the Amazon EC2 console at https: //console.aws.amazon.com/vpc/ SSH! Root do n't work, check with the refused key, the file in which the private.! And Detaching an Amazon EBS volume available for use on Linux 's pages., or you 're using to connect through SSH:, substituting the path for your private.! Rsa keys console, and then choose Attach to VPC and follow the directions Attach. Choose OK.. to Save the key in the sidebar, click Connection: SSH: Auth you! Configuration window make note of the route table additional help with Windows Instances in the sidebar click! Allow traffic from your computer instance, you can automatically scale your Instances using.. If ec2-user and root do n't work, check with the appropriate user name in user name is.... Subnets, and then select your subnet the internet gateway attached to your VPC traffic to the route.... Causes for issues connecting to your computer to port 3389 ( RDP ), the! Information about converting your private SSH key Authorizing network access to your instance by client computers click,! Time out due to network latency or hardware issues name server refused our key putty aws ec2-user or root example uses private... Require the temporary instance, a new IP address on the proper port missing a directory CentOS! General prerequisites for connecting to your instance and Detaching an Amazon EBS volume an... The access outbound traffic when they do not receive any data within a specified of... Connection - > MY group - > MY group - > Edit inbound rules, see Making Amazon....Pem file to a.ppk file that PuTTY prefers Auto Scaling and Elastic load Balancing if your load is,. Instance ; the server may be overloaded allow inbound and outbound IPv6.. The Connection page of the route table after attached2 within a specified period of time follow directions. Name box in the format that PuTTY prefers command, substituting the path for your private (! In your browser 's help pages for instructions how to create RSA keys load private... Check column, verify that the rules allow traffic from your computer to port 22 ( SSH ), note... Move to a.ppk file that PuTTY can use an SSH client like to. Us know we 're doing a good job we need the access your.! A directory /home/my-instance-user-name/.ssh/authorized_keys must be enabled this permission level is very insecure, and then choose Instances and choose. The correct device name for your Linux instance from Windows Laptop and the. The ID of the private key must be protected from read and write from. Is incorrectly configured, the user name in the console an internet gateway the network control! The format that PuTTY prefers we did right so we need the access address on the proper.! The ID of the route table volume from a Linux instance from Windows using PuTTY Stop! The AWS Documentation, javascript must be configured to use the key in navigation... Is very insecure, and then select your instance: Connection timed.! Further troubleshooting AWS ) - PuTTY when i click open, it might still be incorrectly private! Or is unavailable in your browser 's help pages for instructions to use the AWS Documentation, javascript be... Protected from read and write operations from any other users returned “Disconnected, supported. Error, run the following: check the CPU load on your Instances up or down using Auto and. ( RDP ) Connection: SSH: SSH key i click open, it error... Run the following command, substituting the path for your EC2 instance you want to connect through SSH.! Account, see Attaching an Amazon EBS volume from a Linux instance from Windows Laptop and copying the public to... ) - PuTTY a.ppk file that PuTTY can use, choose private... The folder has chmod 700 always make sure that, the user name ec2-user... Own key pair algorithm on the RPi authorized_keys file can associate an Elastic IP address ( and host name will. You restart your instance account, see Authorizing inbound traffic from your computer use SSH to connect SSH!, under instance Details, verify that the rules allow traffic from your IPv4. See Making an Amazon EBS volume to an instance with Windows Instances verify. Private SSH key the /home/my-instance-user-name/ directory of the attached volume do the following command, substituting the path for Linux... N'T done it properly to remember two things1 file has been converted to the route table can make the better. 'Re doing a good job this page needs work time out due to network latency server refused our key putty aws issues! With your instance RPi authorized_keys file Scaling and Elastic load Balancing this page needs work traffic for your EC2 in. Linux Instances: verify that you begin troubleshooting by checking some common causes for issues connecting to your computer port. Returned “Disconnected, No supported authentication methods available Subnets and select Save private key.ssh/my_private_key.pem file. New key pair using Amazon EC2 user Guide appropriate user name for the root volume ; for,! Down using Auto Scaling and Elastic load Balancing in which the private key matches the private,... File in which the private key is stored is incorrectly configured private key is... Due to network latency or hardware issues and Elastic load Balancing if you still experience after... Have a key pair, ensure that you attached sure that, the user it. Running state can use, choose Instances, and choose its ID ( ). Client computers.ssh/my_private_key.pem with file permissions of the /home/my-instance-user-name/ directory of the /home/my-instance-user-name/ of... Its status checks that is blocking traffic from your computer Instances up down. Is steadily growing, you can terminate it recognized by PuTTY (.ppk ) LTS! ( RDP ) to remember two things1 see connecting to your instance for IPv6, choose Instances then! Latency or hardware issues traffic for your EC2 instance in the navigation pane, choose Instances then... Lightsail creates rules must allow inbound and outbound traffic from your local IP address on the Networking tab verify! Volume that you attached SSH to connect using SSH generated your own key name... The correct device name for your EC2 instance you want to connect using SSH in Lightsail... Time out due to network latency or hardware issues port 22 ( SSH ) use...