Server Profiles Tab SMB

Use the Server Profiles tab to configure information for a CIFS SMB server. The Common Internet File System (CIFS) is a file sharing protocol. Clients use this protocol to request file access services from servers over a network. Avalanche emulates multiple clients accessing files on a CIFS server. An emulated CIFS server can respond to CIFS requests generated by Avalanche, allowing you to stress test network devices that are aware of CIFS traffic.

Field

Description

Selection and General Fields:

See the Server Profile tab for information about these fields.

Connection Properties Fields:

See the Server Profile tab for information. The default port is 445.

Data Source Fields:

See the CIFS_NG Data Source Fields for information about these fields.

Authentication and Data Randomization Fields:

See the CIFS_NG Authentication and Data Randomization Fields for information about these fields.

Data Encryption and Validation Fields:

Enable Data Encryption and Validation

Select one of the following SMB security features:

Encryption: (SMB 3.0, 3.0.2, 3.1.1) Provides end-to-end encryption and protects SMB data from interception attacks on untrusted networks. The cryptographic algorithm used depends on your client Encryption configuration.

NOTE: See https://learn.microsoft.com/en-us/windows-server/storage/file-server/smb-security for more information.

Signature: (SMB 2.002, 2.1, 3.0, 3.0.2, 3.1.1) Provides a security mechanism, known as SMB signing. After a successful authentication, every SMB message contains a signature generated by using a session key negotiated in the session setup request.

NOTES:

See https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/overview-server-message-block-signing for more information.
The Signature feature in Avalanche is non-negotiable. Your emulated server and client Signature settings must match. Otherwise, negotiation will fail.

Multi Channel Support Fields:

Enable Multi Channel

(SMB 3.0, 3.0.2, 3.1.1) Select to enable the SMB Multichannel feature to increase network performance and availability of file servers.

NOTE: See https://learn.microsoft.com/en-us/azure-stack/hci/manage/manage-smb-multichannel for more information.

Share Definition Fields:

Enable Disk Operation

Select to allow the SMB client to issue READ/WRITE commands to shared resources on the SMB server. A shared resource is usually a directory or group of directories on the SMB server for SMB client access.

Name

A name for the shared resource on the SMB server.

Share Path

A directory path specifying the local resource being shared, which offers storage and/or retrieval of files.

NOTE: You must provide the absolute path as in the following examples:

/home/spirent/shared
/home/spirent/guest

Read Access Accounts

The user name(s) for the accounts that have permission to read from the shared resource.

For multiple users, specify a comma-separated list, such as the following:

user1,user2,user3

NOTE: The default value is an asterisk ("*"), meaning all users have read permission.

Write Access Accounts

The user name(s) for the accounts that have permission to write to the shared resource.

For multiple users, specify a comma-separated list, such as the following:

user1,user2,user3

NOTE: The default value is an asterisk ("*"), meaning all users have write permission.

Buttons

Add: Adds a new entry to the table. Double-click in a cell to edit the field.

Delete: Deletes the selected entry from the table.

Related Information:

Configuring a Server Profile

Testing CIFSNG/SMB

CIFS SMB Support in Avalanche