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|Summary||Recommended Links||Accessing Linux Shares from Windows||Samba Daemons||Troubleshooting Samba problems||Configuring samba Users|
|Samba Daemons||SMB Protocol Authentication||GUI configuration of samba on Red Hat||Connecting from Windows 7 client to to Red Hat Samba shares||Horror Stories||Humor||Etc|
The security model used in Microsoft SMB Protocol is identical to the one used by other variants of SMB, and consists of two levels of security—user and share. A share is a file, directory, or printer that can be accessed by Microsoft SMB Protocol clients.
User-level authentication indicates that the client attempting to access a share on a server must provide a user name and password. When authenticated, the user can then access all shares on a server not also protected by share-level security. This security level allows system administrators to specifically determine which users and groups can access a share.
Share-level authentication indicates that access to a share is controlled by a password assigned to that share only. Unlike user-level security, this security level does not require a user name for authentication and no user identity is established.
Under both of these security levels, the password is encrypted before it is sent to the server. NTLM and the older LAN Manager (LM) encryption are supported by Microsoft SMB Protocol. Both encryption methods use challenge-response authentication, where the server sends the client a random string and the client returns a computed response string that proves the client has sufficient credentials for access.
The SMB model defines two levels of security:
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Last modified: March, 12, 2019