August 2000
Intermediate to advanced
800 pages
21h 5m
English
Content preview from Microsoft® Windows® 2000 Security HandbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Application-Level Protocols
Application-level protocols such as a Telnet or FTP application are visible to the user. These protocols display information about the connection, error messages, or the status of file transfers. Some application-level protocols included with Windows 2000 are
File transfer protocol (FTP)
Telnet
Hypertext Transfer Protocol (HTTP)
Simple Mail Transfer Protocol (SMTP)
To allow applications to access TCP/IP protocols in a standard way, Windows 2000 employs application programming interfaces (API). APIs are functions and commands called by the application to perform network functions. An example is a Web browser application connecting to a Web site, which needs access to TCP's connection establishment service.
Examples of ...