October 2014
Intermediate to advanced
142 pages
3h 9m
English
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Chapter 3. Users and Permissions
This chapter is all about users and permissions. You will be guided through the essential concepts and ideas of the PostgreSQL security system.
In this chapter, you will learn the following topics:
- Network security
- Users and roles
- Common pitfalls
- Securing procedures
- Managing SSL
- Using SELinux
Understanding PostgreSQL security
In this section, you will learn about the basic PostgreSQL security model. In general, we can see the PostgreSQL security models as seven basic layers:
- Level 1: Turning the TCP on or off (
listen_addressesinpostgresql.conf, and so on) - Level 2: Network authentication (
pg_hba.conf) - Level 3: Instance-level permissions
- Level 4: Database-level permissions
- Level 5: Schema-level permissions
- Level 6: Table-level ...
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