Can't access Web from LAN.

[akong77]

Hello,
This is my haproxy config

# Automaticaly generated, dont edit manually.
# Generated on: 2020-08-11 09:19
global
	maxconn			10000
	stats socket /tmp/haproxy.socket level admin  expose-fd listeners
	gid			80
	nbproc			1
	nbthread			1
	hard-stop-after		15m
	chroot				/tmp/haproxy_chroot
	daemon
	server-state-file /tmp/haproxy_server_state

listen HAProxyLocalStats
	bind 127.0.0.1:2200 name localstats
	mode http
	stats enable
	stats admin if TRUE
	stats show-legends
	stats uri /haproxy/haproxy_stats.php?haproxystats=1
	timeout client 5000
	timeout connect 5000
	timeout server 5000

frontend LB_HTTP
	bind			210.243.225.144:80 name 210.243.225.144:80   
	mode			tcp
	log			global
	timeout client		30000
	default_backend Back_Server_HTTP_ipv4

frontend LB_HTTPS
	bind			210.243.225.144:443 name 210.243.225.144:443   
	mode			tcp
	log			global
	timeout client		30000
	default_backend Back_Server-HTTPS_ipv4

backend Back_Server_HTTP_ipv4
	mode			tcp
	id			10100
	log			global
	stick-table type ip size 50m expire 30m
	stick on src
	balance			source
	timeout connect		3000
	timeout server		3000
	retries			1
	source ipv4@ usesrc clientip
	server			Web01 172.16.169.1:80 id 10101 check inter 1000  

backend Back_Server-HTTPS_ipv4
	mode			tcp
	id			10104
	log			global
	stick-table type ip size 50m expire 30m
	stick on src
	balance			source
	timeout connect		30000
	timeout server		30000
	retries			2
	source ipv4@ usesrc clientip
	server			Web01 172.16.169.1:443 id 10101 check-ssl check inter 1000  verify none

I can access from Internet to my web.But the intranet can't access it. I has use this command.

telnet LAN_IP 80

It's can't connect it.But internet can access it.I also test this web server another service like ssh or ping it. It's can access it.What's this problem?