backend 192.168.10.50-portal
        option httpclose
        option http_proxy
        option forwardfor
        acl paramsquery query -m found
        http-request set-header Host [THIS ARGUMENT IS MISSING]
        http-request lua.admin
        reqadd X-Forwarded-For-Packetfence:\ 127.0.0.1
        http-request set-uri http://127.0.0.1:8890%[var(req.path)]?%[query] if paramsquery
        http-request set-uri http://127.0.0.1:8890%[var(req.path)] unless paramsquery