PostgresSSLMode

Description

The PostgresSSLMode enumeration contains work modes of SSL connection with with PostgreSQL DBMS servers.

It is used by the following properties and methods:

Value	Brief description
0	Disable. Connection without use of SSL.
1	Allow. First, try to connect without use of SSL. If the connection failed, try to connect via SSL.
2	Prefer. Firs, try to connect via SSL. If the connection failed, try to connect without use of SSL.
3	Require. Try to connect via SSL only. If there is a root certificate, verify it in the same way as the certificate used in the VerifyCA mode.
4	VerifyCA. Try to connect via SSL only. Make sure that the DBMS certificate is issued by a trusted certificate authority.
5	VerifyFull. Try to connect via SSL only. Make sure that the DBMS server certificate is issued by a trusted certification authority, and server name matches with certificate name.