GUACAMOLE-547: Document support for SSH NONE authentication.
diff --git a/src/chapters/configuring.xml b/src/chapters/configuring.xml
index 5aaa767..fd1bd6f 100644
--- a/src/chapters/configuring.xml
+++ b/src/chapters/configuring.xml
@@ -2947,7 +2947,11 @@
<section xml:id="ssh-authentication">
<title>Authentication</title>
<para>SSH provides authentication through passwords and public key
- authentication.</para>
+ authentication, and also supports the NONE method.</para>
+ <para>SSH NONE authentication is seen occasionally in appliances
+ and items like network or SAN fabric switches. Generally
+ for this authentication method you need only provide a
+ username.</para>
<para>For Guacamole to use public key authentication, it must have access to your
private key and, if applicable, its passphrase. If the private key requires a
passphrase, but no passphrase is provided, you will be prompted for the
