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In many Unix variants, "nobody" is the conventional name of a user identifier which owns no files, is in no privileged groups, and has no abilities except those which every other user has. It is normally not enabled as a user account , i.e. has no home directory or login credentials assigned.
Samba is a free software re-implementation of the SMB networking protocol, and was originally developed by Andrew Tridgell.Samba provides file and print services for various Microsoft Windows clients [5] and can integrate with a Microsoft Windows Server domain, either as a Domain Controller (DC) or as a domain member.
There is still a thin layer (similar to the Session Message packet of NetBT's Session Service) between SMB and TCP. [24] Windows Server 2003, and legacy NAS devices use SMB1 natively. SMB1 is an extremely chatty protocol, which is not such an issue on a local area network (LAN) with low latency.
In computer network security, session fixation attacks attempt to exploit the vulnerability of a system that allows one person to fixate (find or set) another person's session identifier. Most session fixation attacks are web based, and most rely on session identifiers being accepted from URLs (query string) or POST data.
When a textual user interface is used, a login session is represented as a kernel session — a collection of process groups with the logout action managed by a session leader. Where an X display manager is employed, a login session is considered to be the lifetime of a designated user process that the display manager invokes.
The pass the hash technique was originally published by Paul Ashton in 1997 [6] and consisted of a modified Samba SMB client that accepted user password hashes instead of cleartext passwords. Later versions of Samba and other third-party implementations of the SMB and NTLM protocols also included the functionality.
In the seven-layer OSI model of computer networking, the session layer is layer 5. The session layer provides the mechanism for opening, closing and managing a session between end-user application processes, i.e., a semi-permanent dialogue. Communication sessions consist of requests and responses that occur between applications.
In human–computer interaction, session management is the process of keeping track of a user's activity across sessions of interaction with the computer system. Typical session management tasks in a desktop environment include keeping track of which applications are open and which documents each application has opened, so that the same state ...