May 2019
Intermediate to advanced
600 pages
20h 46m
English
book
PostgreSQL 11 Administration Cookbook
by Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala, Sheldon Strauch
Content preview from PostgreSQL 11 Administration Cookbook
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Setting up a client to use SSL
The behavior of the client application regarding SSL is controlled by an environment variable, PGSSLMODE. This can have the following values, as defined in the official PostgreSQL documentation:
| SSL mode | Eavesdropping protection | MITM protection | Statement |
| disabled | No | No | I don't care about security, and I don't want to pay the overhead of encryption. |
| allow | Maybe | No | I don't care about security, but I will pay the overhead of encryption if the server insists on it. |
| prefer | Maybe | No | I don't care about encryption, but I will to pay the overhead of encryption if the server supports it. |
| require | Yes | No | I want my data to be encrypted, and I accept the overhead. I trust that the network will ensure that I always ... |
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