Amazon Ec2: Issue with Setting up FTP Server
Either pasv_address needs to be the external IP address, or pasv_addr_resolve=YES needs to be set so that the hostname you entered will be resolved when vsftpd starts. If you use a hostname with pasv_addr_resolve, vsftpd has to be restarted if the IP address changes.
pasv_address= IP address
you need an Elastic IP