{"flag":true,"single":true,"pageTitle":"System Network and Administration MIT CONTENT Notes","post":{"id":174,"user_id":"1","slug":"system-network-and-administration-mit-content-notes-iowl","title":"System Network and Administration MIT CONTENT Notes","body":"
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Workgroup<\/h4>\r\n

A system that has no centralized management system<\/p>\r\n

Domain<\/h4>\r\n

A system that has a centralized management system<\/p>\r\n

Active Directory | Domain Controller | Server<\/h4>\r\n

Machine that has installed ntds.dit ie personal computer of Rizwan. Ntds.dit contains database of services for network.<\/p>\r\n

Protocols used by NTDS.dit<\/h4>\r\n

x.500 (old) LDAP (lightweight directory access protocol) used now. it base on kerbrose protocol that solve authentication problem<\/p>\r\n

SSO (single sign on)<\/h4>\r\n

A user that login using domain controller<\/p>\r\n

Ticket granting ticket (TGT)<\/h4>\r\n

Ticket by server given to user (kerbrose) to begin authentication process. Client (send ticket) ? Server (varify) ? and Issue Service ticket+ session key<\/p>\r\n

Kerberos<\/h4>\r\n

Kerbros is authentication protocol using tickets.version 1.3 at MIT. other versions are v4 and v5. Window 2000 & letter use it as default authentication method. it use authentication server for authentication (grant TGT for using service).<\/p>\r\n

Structure of Active Directory<\/h4>\r\n

Domain (devices),
TREE (collection of >1 domains),
Forest (collection of trees and domains),
TRUST (uniway.if >1 user access data of other domains than other domain create trust first) ,
Fedration (multiway.if >1 user access data of other domains than other domain create trust first)<\/p>\r\n

DNS (domain name system)<\/h4>\r\n

A system that resolve IP adress into domain name and vv is DNS.In this data center is hidden mostly. ie fb.com we know only domain or ip address not dns server.<\/p>\r\n