Ensure the file permissions mask is correct

中等級 1人工審核postgres

說明

Files are always created using a default set of permissions. File permissions can be restricted by applying a permissions mask called the umask. The postgres user account should use a umask of 0077 to deny file access to all user accounts except the owner.

檢查方式

稽核方法: 人工審核

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As root run su - postgres -c umask. The umask must be 0077 or more restrictive for the postgres user (check .bash_profile, .profile and .bashrc of the postgres home); otherwise this is a fail.

修補方式

修補方法: 操作指南或基礎設施修補檔

As postgres add 'umask 077' to the profile file in use (e.g. ~postgres/.bash_profile) and re-login to confirm umask prints 0077.

屬性

作業系統: 不限
標籤: postgresdatabasefilesystempermissionsmanual
參考資料: CIS PostgreSQL 18 Benchmark v1.0.0 - 2.1 Ensure the file permissions mask is correct