Hello Igor, Sen,
On 4 May 2018 at 08:46, Igor Cicimov <ig...@encompasscorporation.com> wrote: > Have you tried: > > option httpchk GET /env HTTP/1.1\r\nHost:\ %[req.hdr(Host)] When you are health checking, you don't have a Host header as you don't have a frontend connection associated to it. I proposed to offload healthcheck to dedicated backends and track them from the main backend here: https://discourse.haproxy.org/t/helathcheck-on-multiple-backends-with-virtual-hostnames/2413/12 Just not quite clear about how host headers from actual clients should look like ... cheers, lukas
