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A free, open source, high availability load balancer and proxy for TCP and HTTP.

What is HAProxy?

HAProxy is a free, open source, high availability load balancer and proxy for TCP and HTTP.
This box installs and configures an HAProxy load balancer.


  • Native SSL support on both sides with SNI/NPN/ALPN and OCSP stapling.
  • IPv6 and UNIX sockets are supported everywhere.
  • Full HTTP keep-alive for better support of NTLM and improved efficiency in static farms.
  • **HTTP/1.1 compression (deflate, gzip) to save bandwidth.
  • PROXY protocol versions 1 and 2 on both sides.
  • Data sampling on everything in request or response, including payload, ACLs can use any matching method with any input sample maps and dynamic ACLs updatable from the CLI stick-tables support counters to track activity on any input sample.
  • Custom format for logs, unique-id, header rewriting, and redirects.
  • Improved health checks (SSL, scripted TCP, check agent, ...).


Deployment behavior

An instance executing this box uses bash scripts and chef-solo to download, install, and configure Nginx. Box events manage the Nginx lifecycle as follows:

Install operation:

install: Installs HAProxy depending on the platform.

Configure operation:

configure: Downloads the configuration file, applying to it the desired configuration.

Start operation:

start: Starts HAProxy.

Supported distributions

This deployment supports these Linux distributions:

  • Amazon Linux AMI 2015.03

  • Ubuntu 14.04

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Multi-Cloud , Open Source

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