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DOC: install: Document how to build a limited support for QUIC

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Document how to compile a limited support for QUIC (without QUIC O-RTT)
when building haproxy against OpenSSL (without QUIC support).
This commit is contained in:
Frdric Lcaille 2023-07-21 19:02:30 +02:00 committed by Willy Tarreau
parent 91410302e9
commit 53d002dc15
1 changed files with 18 additions and 5 deletions
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23
INSTALL
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@ -248,7 +248,7 @@ Three OpenSSL derivatives called LibreSSL, BoringSSL and QUICTLS are reported
to work as well. While there are some efforts from the community to ensure they
work well, OpenSSL remains the primary target and this means that in case of
conflicting choices, OpenSSL support will be favored over other options. Note
that OpenSSL is not compatible when building haproxy with QUIC support. In this
that QUIC is not fully supported when haproxy is built with OpenSSL. In this
case, QUICTLS is the preferred alternative. As of writing this, the QuicTLS
project follows OpenSSL very closely and provides update simultaneously, but
being a volunteer-driven project, its long-term future does not look certain
@ -465,10 +465,14 @@ QUIC is the new transport layer protocol and is required for HTTP/3. This
protocol stack is currently supported as an experimental feature in haproxy on
the frontend side. In order to enable it, use "USE_QUIC=1 USE_OPENSSL=1".
Note that the OpenSSL library is not compatible with QUIC. The preferred option
is to use QUICTLS. This is a fork of OpenSSL with a QUIC-compatible API. Its
repository is available at https://github.com/quictls/openssl. You can use the
following instruction to build a functional QUICTLS.
Note that QUIC is not fully supported by the OpenSSL library. Indeed QUIC 0-RTT
cannot be supported by OpenSSL contrary to others libraries with full QUIC
support. The preferred option is to use QUICTLS. This is a fork of OpenSSL with
a QUIC-compatible API. Its repository is available at this location:
https://github.com/quictls/openssl
You can use the following instruction to build a functional QUICTLS.
$ ./config --libdir=lib [--prefix=/opt/quictls]
$ make
@ -492,6 +496,15 @@ way assuming that wolfSSL was installed in /opt/wolfssl-5.6.0 as shown in 4.5:
SSL_INC=/opt/wolfssl-5.6.0/include SSL_LIB=/opt/wolfssl-5.6.0/lib
LDFLAGS="-Wl,-rpath,/opt/wolfssl-5.6.0/lib"
As last resort, haproxy may be compiled against OpenSSL as follows:
$ make TARGET=generic USE_OPENSSL=1 USE_QUIC=1 USE_QUIC_OPENSSL_COMPAT=1
Note that QUIC 0-RTT is not supported by haproxy QUIC stack when built against
OpenSSL. In addition to this compilation requirements, the QUIC listener
bindings must be explicitely enabled with a specifig QUIC tuning parameter.
(see "limited-quic" global parameter of haproxy Configuration Manual).
5) How to build HAProxy
=======================