Re: Add support to TLS 1.3 cipher suites and curves lists

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>
Cc: Erica Zhang <ericazhangy2021(at)qq(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Add support to TLS 1.3 cipher suites and curves lists
Date: 2024-09-25 08:51:05
Message-ID: cea2e1b6-69c4-4796-99e5-32c87040d1a6@eisentraut.org
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On 18.09.24 22:48, Jacob Champion wrote:
>> +#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed TLSv1.2 ciphers
>> +#ssl_cipher_suites = '' # allowed TLSv1.3 cipher suites, blank for default
> After marinating on this a bit... I think the naming may result in
> some "who's on first" miscommunications in forums and on the list. "I
> set the SSL ciphers to <whatever>, but it says there are no valid
> ciphers available!" Should we put TLS 1.3 into the new GUC name
> somehow?

Yeah, I think just

ssl_ciphers =
ssl_ciphers_tlsv13 =

would be clear enough. Just using "ciphers" vs. "cipher suites" would
not be.

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