Re: PostgreSQL not setting OpenSSL session id context?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Shay Rojansky <roji(at)roji(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: PostgreSQL not setting OpenSSL session id context?
Date: 2017-07-30 19:59:47
Message-ID: 4727.1501444787@sss.pgh.pa.us
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I wrote:
> I think what you need to do is tell SslStream not to expect that PG
> servers will do session resumption. (I'm a bit astonished that that
> would be its default assumption in the first place, but whatever.)

Actually, after a bit of further googling, it seems that the brain
damage here may be on the server side. It seems that OpenSSL will
send a session ticket if requested, even though the surrounding
application has given it no means to identify the session (!?).
Apparently we need to pass SSL_OP_NO_TICKET to SSL_CTX_set_options
to prevent that from happening.

regards, tom lane

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