Change default sslmode from "require" to "prefer"#1271
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Now that sslmode=prefer is supported, we can use that as the default. "prefer" is the default used by libpq, pgx, and pretty much anything else connecting to PostgreSQL. I can't really find anything else that uses "require" as a default. You could argue that "require" is a better default, but: 1. "require" doesn't actually verify the certificates and accepts any certificate. I wouldn't say it's completely useless for production systems, but it does seem useless-adjacent. If you want SSL, you almost always want "verify-ca" or "verify-full". 2. Copy/pasting a connection string used by pq to something else will mean you silently drop the ssl so it's a very brittle default. 3. It's an annoying default because copy pasting a connection string from anything else to pq doesn't work. pq has used "require" as a default for a long time, but because it's such a brittle default that's easy to lose by using $anything_else I think it's okay to change. I will leave this open for a bit before merging, so if anyone objects it can be re-considered.
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Now that sslmode=prefer is supported, we can use that as the default.
"prefer" is the default used by libpq, pgx, and pretty much anything else connecting to PostgreSQL. I can't really find anything else that uses "require" as a default.
You could argue that "require" is a better default, but:
"require" doesn't actually verify the certificates and accepts any certificate. I wouldn't say it's completely useless for production systems, but it does seem useless-adjacent. If you want SSL, you almost always want "verify-ca" or "verify-full".
Copy/pasting a connection string used by pq to something else will mean you silently drop the ssl so it's a very brittle default.
It's an annoying default because copy pasting a connection string from anything else to pq doesn't work.
pq has used "require" as a default for a long time, but because it's such a brittle default that's easy to lose by using $anything_else I think it's okay to change.
I will leave this open for a bit before merging, so if anyone objects it can be re-considered.