TAILIEUCHUNG - Using Samba-6. Users, Security, and Domains-P3

Tham khảo tài liệu 'using samba-6. users, security, and domains-p3', công nghệ thông tin, hệ điều hành phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Figure Structure of the smbpasswd file entry actually one line USiinufflC U D LAN Manager Password Hash . H- i-----------------1-----------------1 Oave 50Q 95D43F21A9675423ee78254A967687d2t HI Password Hash Account Flags r----------------- ----------------- r---J---1 621A654239675FA412D0254A706F45H3 U Last Change Time i------ ------1 I CT-375412BE Here is a breakdown of the individual fields Username This is the username of the account. It is taken directly from the system password file. UID This is the user ID of the account. Like the username it is taken directly from the system password file and must match the user it represents there. LAN Manager Password Hash This is a 32-bit hexadecimal sequence that represents the password Windows 95 and 98 clients will use. It is derived by encrypting the string KGS @ with a 56-bit DES algorithm using the user s password forced to 14 bytes and converted to capital letters twice repeated as the key. If there is currently no password for this user the first 11 characters of the hash will consist of the sequence NO PASSWORD followed by X characters for the remainder. Anyone can access the share with no password. On the other hand if the password has been disabled it will consist of 32 X characters. Samba will not grant access to a user without a password unless the null passwords option has been set. NT Password Hash This is a 32-bit hexadecimal sequence that represents the password Windows NT clients will use. It is derived by hashing the user s password represented as a 16-bit little-endian Unicode sequence with an MD4 hash. The password is not converted to uppercase letters first. Account Flags This field consists of 11 characters between two braces . Any of the following characters can appear in any order the remaining characters should be spaces U This account is a standard user account. D This account is currently disabled and Samba should not allow any logins. N This account has no password associated with it. W .

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