Haproxy Openssl

Haproxy Openssl
  1. Haproxy Ssl Termination
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Haproxy Ssl Termination

This page gives an outline of how to build HAProxy with OpenSSL so it can use TLS v1.3. It assumes Ubuntu 16.04 as the platform.

Feb 18, 2017 Load Balancing is a common argot for Webmasters and System Administrators managing huge-traffic websites. Since HAProxy is the de-facto standard open-source load balancer suited for such use cases, it’s the first Load balancer you’ll give a thought when in need of one. Introduction HAProxy, which stands for High Availability Proxy, is a popular open source software TCP/HTTP Load Balancer and proxying solution which can be run on Linux, Solaris, and FreeBSD.

In order to have TLS 1.3 support you will need to grab version 1.1.1 of OpenSSL.

These instructions build OpenSSL into a directory /opt/openssl-1.1.1 to ensure that it's separate to any other OpenSSL installs on the machine.

See more on stackoverflow

Build HAProxy

You need HAProxy 1.8.1 or later to enable TLS 1.3 support. We are using 1.8.13.

Modify the HAProxy configuration


Add the following to the HAProxy config (Note the ssl-default-bind-ciphers and ssl-default-bind-options lines), updating any paths as required.

If you only want TLSv1.3 with no fallback to TLSv1.2 then set ssl-default-bind-options to force-tlsv13

Note the keycert.pem file is the concatenation of the certificate chain and key into one file which is what HAProxy requires.

Create required paths

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The above configuration sets HAProxy to run chroot in a directory /usr/local/var/lib/haproxy. It's necessary to create this directory. OpenSSL also needs access to /dev/urandom and /dev/random in the chroot.