title: ssh_exchange_identification: 530 Please login with USER and PASS.
body: <p>if I try t connect to my remote server via SSH I get stuck to this, and I can't figure out how to going on.</p>
  
  <pre><code>tiziano@tiziano-HP ~ $ ssh -Tvvv -p 21 username@example.com
  OpenSSH_6.2p2 Ubuntu-6ubuntu0.3, OpenSSL 1.0.1e 11 Feb 2013
  debug1: Reading configuration data /etc/ssh/ssh_config
  debug1: /etc/ssh/ssh_config line 19: Applying options for *
  debug2: ssh_connect: needpriv 0
  debug1: Connecting to example.com [10.10.10.10] port 21.
  debug1: Connection established.
  debug3: Incorrect RSA1 identifier
  debug3: Could not load "/home/tiziano/.ssh/id_rsa" as a RSA1 public key
  debug1: identity file /home/tiziano/.ssh/id_rsa type 1
  debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
  debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
  debug1: identity file /home/tiziano/.ssh/id_rsa-cert type -1
  debug1: identity file /home/tiziano/.ssh/id_dsa type -1
  debug1: identity file /home/tiziano/.ssh/id_dsa-cert type -1
  debug1: identity file /home/tiziano/.ssh/id_ecdsa type -1
  debug1: identity file /home/tiziano/.ssh/id_ecdsa-cert type -1
  debug1: Enabling compatibility mode for protocol 2.0
  debug1: Local version string SSH-2.0-OpenSSH_6.2p2 Ubuntu-6ubuntu0.3
  debug1: ssh_exchange_identification: 220 (vsFTPd 2.0.5)
  
  
  debug1: ssh_exchange_identification: 530 Please login with USER and PASS.
  </code></pre>
  
  <p>Obviusly the username and the domain(ip addres) showed above are fake, I changed them.</p>