Load balanced web server (DMZ)

#interface
ext_if = "vr0"
int_if = "xl0"

#webserver
webserver_1 = "192.168.1.1"
webserver_2 = "192.168.1.2"
webserver_3 = "192.168.1.3"
webserver_4 = "192.168.1.4"

#bagikan koneksi dengan logika round robin
rdr on $ext_if proto tcp from any to $ext_if port www -> {webserver_1, webserver_2, webserver_3, webserver_4} round-robin