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Heikki Linnakangas d39a49c1e4 Support TLS handshake directly without SSLRequest negotiation 
By skipping SSLRequest, you can eliminate one round-trip when
establishing a TLS connection. It is also more friendly to generic TLS
proxies that don't understand the PostgreSQL protocol.

This is disabled by default in libpq, because the direct TLS handshake
will fail with old server versions. It can be enabled with the
sslnegotation=direct option. It will still fall back to the negotiated
TLS handshake if the server rejects the direct attempt, either because
it is an older version or the server doesn't support TLS at all, but
the fallback can be disabled with the sslnegotiation=requiredirect
option.

Author: Greg Stark, Heikki Linnakangas
Reviewed-by: Matthias van de Meent, Jacob Champion
 		2024-04-08 04:24:49 +03:00
config Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
contrib Make libpqsrv_cancel's return const char *, not char * 2024-04-05 18:23:10 +02:00
doc Support TLS handshake directly without SSLRequest negotiation 2024-04-08 04:24:49 +03:00
src Support TLS handshake directly without SSLRequest negotiation 2024-04-08 04:24:49 +03:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml Add tests for libpq gssencmode and sslmode options 2024-04-08 02:49:32 +03:00
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HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Remove AIX support 2024-02-28 15:17:23 +04:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
configure.ac Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
meson.build Optimize pg_popcount() with AVX-512 instructions. 2024-04-06 21:56:23 -05:00
meson_options.txt Add backend support for injection points 2024-01-22 10:15:50 +09:00

README.md

PostgreSQL Database Management System

This directory contains the source code distribution of the PostgreSQL database management system.

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.

The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.