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haproxy: ssl backends

Published: 10-12-2013 | Author: Remy van Elst | Text only version of this article

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This snippets shows you how to add an ssl backend to HAPROXY. You need haproxy1.5 or higher, 1.4 does not support ssl backends.

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Note: this is not about adding ssl to a frontend. this allows you to use an sslenabled website as backend for haproxy.

The following config is required in a backend section:

backend example-backend  balance roundrobin  option httpchk GET /health_check  server srv01 weight 1 maxconn 100 check ssl verify none  server srv02 weight 1 maxconn 100 check ssl verify none

The important parts are: ssl verify none

You can also specify verify all. As expected, this will verify all certificates,however this will generate extra load. For this example setup the verify noneis good enough.

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Tags: apache, haproxy, loadbalancer, snippets, ssl