Should I open port 22?

Should I open port 22?

You will need to open the port the user connects to. SSH is often placed on port 22, but you could choose to place it at any other port number if so you wish. Please note that you need a ssh server to connect to.

Can you access an AWS instance using SSH?

To connect from the Amazon EC2 console Open the Amazon EC2 console. In the left navigation pane, choose Instances and select the instance to which to connect. Choose Connect. On the Connect To Your Instance page, choose EC2 Instance Connect (browser-based SSH connection), Connect.

What is required to SSH to an instance on cloud?

Verify the general prerequisites for connecting to your instance using SSH.

  1. Get information about your instance.
  2. Locate the private key and verify permissions.
  3. Enable Inbound traffic. Ensure that the security group associated with your instance allows inbound SSH traffic on port 22 from your IP address.

How to connect to AWS instance from Port other than 22?

To connect to an AWS instance through ssh from a port different than default 22: Open the security group of your instance so that it allows connections to that port from the source that you choose (0.0.0.0/0 for any source).

How to connect to SSH on Port other than 22?

If it is not a new Instance, edit the /etc/ssh/sshd_config file adding/changing Port 22 to the port that you want (i.e: Port 443) to connect through ssh and then do service ssh restart and you should be done. Note: I did this with an Ubuntu instance, with another Linux instances may be slightly different.

What’s the port for SSH on Amazon EC2?

I tried starting Amazon EC2 instance via Web Management Console with following ‘user data’: The idea being that the above script would execute on instance startup and switch ssh from port 22 to port 80. (Ref: http://alestic.com/2010/12/ec2-ssh-port-80) But ssh is still not accessible on port 80.

What does it mean when SSH connection is refused?

This might happen if SSH isn’t running on the instance or if a firewall is blocking access. Error message: “ssh: connect to host ec2-X-X-X-X.compute-1.amazonaws.com port 22: Connection refused” indicates that the instance refused the connection or the SSH service daemon isn’t running.