![]() ![]() Note: Both verification steps require OS-level access of the instance. The SSH daemon (sshd) is running and listening on port 22.There's no firewall on the instance rejecting the SSH connection."Connection refused" errorįor the "Connection refused" error, verify the following: Note: The last two verification steps require OS-level access of the instance. SSH isn't blocked by the instance's TCP Wrappers (on the Red Hat website).There isn't a firewall blocking the connection between SSH client and the EC2 instance.The route table of the instance’s subnet is configured properly to provide connectivity between EC2 instance and the SSH client.The network ACLs of instance subnet allows incoming traffic on TCP port 22 and allow ephemeral port for the outgoing traffic.The security group of the instance allows incoming traffic on TCP port 22.The instance is passing its health checks.The instance's IP address or hostname is correct.A firewall blocked and was set to reject the package instead of dropping it.įor the "Connection timed out" error, verify the following:.The host reached the instance but there was no service listening on the SSH port.The following are common causes for this error: There's a firewall between the client and the server.Įrror message: "ssh: connect to host port 22: Connection refused".There's a firewall on the instance's operating system.The security group or network ACL doesn't allow access.The error indicates that the server didn't respond to the client and the client program gave up (timed out). This error message comes from the SSH client. Error message: "ssh: connect to host port 22: Connection timed out". ![]()
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