Receive traffic on port 80 and forward it to the backend server with the host header set to abc.xyz
# Global settings global log /dev/log local0 log /dev/log local1 notice chroot /var/lib/haproxy stats socket /run/haproxy/admin.sock mode 660 level admin stats timeout 30s user haproxy group haproxy daemon # Default SSL material locations ca-base /etc/ssl/certs crt-base /etc/ssl/private # See: https://ssl-config.mozilla.org/#server=haproxy&version=2.0.0 ssl-default-bind-options no-sslv3 ssl-default-bind-ciphers ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256 # Default settings defaults log global mode http option httplog option dontlognull timeout connect 5000 timeout client 50000 timeout server 50000 errorfile 400 /etc/haproxy/errors/400.http errorfile 403 /etc/haproxy/errors/403.http errorfile 408 /etc/haproxy/errors/408.http errorfile 500 /etc/haproxy/errors/500.http errorfile 502 /etc/haproxy/errors/502.http errorfile 503 /etc/haproxy/errors/503.http errorfile 504 /etc/haproxy/errors/504.http # Frontend definition frontend http-in bind *:80 acl host_abc_com hdr(host) -i abc.xyz use_backend backend_abc if host_abc_com # Backend definition for abc.com backend backend_abc server server1 127.0.0.1:81 # Default backend for other requests backend backend_default server default_server 127.0.0.1:81