получении запроса на соединение процесс сервера удостоверяет пользователя по базе данных безопасности (security database). После успешного удостоверения сервер разрешает приложению (пользователю) произвести безопасности, то даже хорошее шифрование становится немного больше, чем “безопасностью по неясности” (security by obscurity). 4.2.2. Ограничение распространения данных Некоторые просят шифровать данные базы “безопасности по неясности” Предлагаются и различные другие формы “безопасности по неясности” (security by obscurity). Например, специальные события, возникающие в моменты входа/подключения и отключения

Firebird File and Metadata Security Geoff Worboys Version 0.6, 30 June 2020 Table of Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7. Acceptable Low Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page and don’t know about Firebird, see this link: www.firebirdsql.org This article discusses the security of Firebird database files and in particular access to the metadata stored in those files. It has

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568 13. Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615 13.9. SQL Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 740 RDB$SECURITY_CLASSES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 11. Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495 RDB$SECURITY_CLASSES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pages, while the numbers of these pages are put into the BLOB record. This is a level 2 BLOB. • Levels higher than 2 are not supported. See also FILTER, DECLARE FILTER 3.6.3. ARRAY Type The support

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 19.18. Show Security Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . letters in CAPitals Most of these commands have no further levels of detail, while the SET command does. To drill down into those extra levels, proceed as follows: SQL> help set; Set commands: SET aliases: SQL> CONNECT 'cosmos:my_employee'; Database: cosmos:my_employee SQL>  Regarding the security aspect of using database aliases to hide the full path to the actual database file(s), it’s not

............................................................................................ 1 Security in Firebird 2 (All Platforms) ................................................................. ......................................................................... 27 Authentication and Security ............................................................................................... POSIX shell. Security in Firebird 2 (All Platforms) Be aware of the following changes that introduce incompatibilities with how your existing applications interface with Firebird's security: Direct connections

a record stream -84 335544554 nonsql_security_rel Table/procedure has non-SQL security class defined -84 335544555 nonsql_security_fld Column has non-SQL security class defined -84 335544668 dsql_procedure_use_err dup_usrname_found A duplicate user name was found in the security database -85 335544753 usrname_not_found The user name specified was not found in the security database -85 335544754 error_adding_sec_record delete the user record. -85 335544757 error_updating_sec_db An error occurred while updating the security database. Firebird 1.5 Error Codes Updated 04/30/04 p. 2 -103 335544571 dsql_constant_err Data

database dialect n -84 335544554 nonsql_security_rel Table/procedure has non-SQL security class defined -84 335544555 nonsql_security_fld Column has non-SQL security class defined -84 335544668 dsql_procedure_use_err dup_usrname_found A duplicate user name was found in the security database -85 335544753 usrname_not_found The user name specified was not found in the security database -85 335544754 error_adding_sec_record delete the user record. -85 335544757 error_updating_sec_db An error occurred while updating the security database. -103 335544571 dsql_constant_err Data type for constant unknown -104 336003075 dsq