les14密碼安全和資源profil(已修改)
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【正文】 Copyright 169。 Oracle Corporation, 2022. All rights reserved. Managing Password Security and Resources 142 Copyright 169。 Oracle Corporation, 2022. All rights reserved. Objectives After pleting this lesson, you should be able to do the following: ? Manage passwords using profiles ? Administer profiles ? Control use of resources using profiles ? Obtain password and resource limit information 143 Copyright 169。 Oracle Corporation, 2022. All rights reserved. Profiles ? A profile is a named set of password and resource limits. ? Profiles are assigned to users by the CREATE USER or ALTER USER mand. ? Profiles can be enabled or disabled. ? Profiles can relate to the DEFAULT profile. 145 Copyright 169。 Oracle Corporation, 2022. All rights reserved. User Password expiration and aging Password verification Password history Account locking Setting up profiles Password Management 146 Copyright 169。 Oracle Corporation, 2022. All rights reserved. ? Set up password management by using profiles and assigning them to users. ? Lock, unlock, and expire accounts using the CREATE USER or ALTER USER mand. ? Password limits are always enforced. ? To enable password management, run the script as the user SYS. Enabling Password Management 147 Copyright 169。 Oracle Corporation, 2022. All rights reserved. Password Account Locking Parameter Number of failed login attempts before lockout of the account Number of days the account is locked after the specified number of faile
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