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defaults
    mode                    http
    log                     global
    option                  httplog
    option                  dontlognull
    option http-server-close
    option forwardfor       except 127.0.0.0/8
    option                  redispatch
    retries                 3
    timeout http-request    20
    timeout queue           86400
    timeout connect         86400
    timeout client          86400
    timeout server          86400
    timeout http-keep-alive 30
    timeout check           20
    maxconn                 50000
    
frontend LB
   bind 192.168.0.125:80
   reqadd X-Forwarded-Proto:\ http
   default_backend LB

backend LB 192.168.0.125:80
   mode http
   stats enable
   stats hide-version
   stats uri /stats
   stats realm Haproxy\ Statistics
   stats auth haproxy:redhat    	# Credentials for HAProxy Statistic report page.
   balance roundrobin			# Load balancing will work in round-robin process.
   option httpchk
   option  httpclose
   option forwardfor
   cookie LB insert
   server web1-srv 192.168.0.121:80 cookie web1-srv check		# backend server.
   server web2-srv 192.168.0.122:80 cookie web2-srv check		# backend server.
   server web3-srv 192.168.0.123:80 cookie web3-srv check		# backend server.
   server web4-srv 192.168.0.124:80 check backup			# backup fail-over Server, If three of the above fails this will be activated.