Could not make expect-proxy here to work
(instead of accept-proxy option and connection accept linehaproxy).
haproxy-1.8 atm.
Thanks,
Gerardo
frontend http-pp
bind *:8080 accept-proxy
maxconn 10000
acl lb src xx.xx.xx.xx
acl lb src xx.xx.xx.xx
tcp-request connection accept if lb
# tcp-request connection expect-proxy layer4 if lb
tcp-request connection reject