Reference insecure connection profile.

protocols/smb.md

@@ -11,14 +11,16 @@ SMB
 :local:
 :::
 
-> [SMB (Server Message Block)](https://en.wikipedia.org/wiki/Server_Message_Block) is used to access Windows File Shares or a Samba Linux Server.
+> [SMB (Server Message Block)](https://en.wikipedia.org/wiki/Server_Message_Block) is used to access Windows File Shares
+> or a Samba Linux Server.
 
 ## Connecting
 
 :::{important}
+
 * Cyberduck [8.7.0](https://cyberduck.io/changelog/) or later required
 * Mountain Duck 5.0.0 required (not yet available)
-:::
+  :::
 
 To connect to a SMB server, choose _SMB (Server Message Block)_.
 
@@ -29,17 +31,22 @@ To connect to a SMB server, choose _SMB (Server Message Block)_.
 
 ### Authentication
 
-Username and password must be provided for authentication using NTLM. The optional domain name defaults to `WORKGROUP` and can be customized as part of the username in the format `REALM\username` in the _Username_ input field when adding a bookmark. Depending on the server setup, this can be
+Username and password must be provided for authentication using NTLM. The optional domain name defaults to `WORKGROUP`
+and can be customized as part of the username in the format `REALM\username` in the _Username_ input field when adding a
+bookmark. Depending on the server setup, this can be
+
 - `COMPUTERNAME\username`
 - `NETBIOSDOMAINNAME\username`
 
 The default domain can be set using the [hidden configuration option](../tutorials/hidden_properties.md)
-    
+
     smb.domain.default=WORKGROUP
 
 ### Share Name
 
-To connect to a specific share, you can configure a _Path_ in the bookmark. When omitted an attempt is made to list all available shares from the server. On failure retrieving share names from the server, a prompt is displayed to enter the share name when connecting.
+To connect to a specific share, you can configure a _Path_ in the bookmark. When omitted an attempt is made to list all
+available shares from the server. On failure retrieving share names from the server, a prompt is displayed to enter the
+share name when connecting.
 
 :::{image} _images/SMB_Share.png
 :alt: SMB Share Input
@@ -49,12 +56,20 @@ To connect to a specific share, you can configure a _Path_ in the bookmark. When
 ### Interoperability
 
 SMB protocol support has been tested with connections to the following server implementations
+
 - Windows 2016 Server (`SMB_3_1_1` dialect)
 - Windows 2022 Server (`SMB_3_1_1` dialect)
 - Linux Samba (`SMB_3_1_1` dialect)
 - macOS 13.5 (22G74) (`SMB_3_0_2` dialect)
 - SMB [Azure file shares](https://learn.microsoft.com/en-us/azure/storage/files/files-smb-protocol)
 
+### Encryption
+
+By default, SMB connections are secured by signing and encrypting requests when supported by the server using SMBv3.
+Alternatively, use the connection profile with support for signing and encryption disabled.
+
+- {download}Install the *SMB (No Encryption) connection profile* from *Preferences… → Profiles*.
+
 ### Cyberduck CLI
 
 You can list shares with [Cyberduck CLI](https://duck.sh/) using