HAProxy valid certs at host

[Rupesh]

I have pfsense box with 10-15 web servers in backend(HTTP). I am able to use acme and HAProxy for ssl offloading correctly (listening to 443 on wan side)- no issue with this at all.
My issue is i have a host with valid ssl certificate configured on the host itself and i do not want to configure letsencrypt cert on pfsense for that host. Given the situation what configuration i need to setup in my haproxy or pfsense so as to get it to working. I
I need to use 443 port on wan side for http backends and also for the machine with ssl certificate installed locally.
Is this doable? i do not want to use NAT(though i expose port 80 for certificate issue on backend hosts on required basis only)

Kindly help me(i am new to haproxy stuff)

[Rupesh]

@rupesh issue resolved.Found this great post @ (https://github.com/PiBa-NL/pfsense-haproxy-package-doc/wiki/pfsense_2_3_haproxy_sni_plus_offloading_backends