Aca te pongo el script lo tengo operando cualquier duda estamos para ayudarte
con esta configuracion lo tengo trabajando 3 dias
http://www.alterserv.com/foros/index.php?topic=1659.0
Saludos
EDITADO: Por Firecold
Código (mk) [Seleccionar]
/ip firewall filter
add chain=forward comment="Acepta RaptorCache" src-address=192.168.10.0/30
/ip firewall mangle
add action=mark-connection chain=postrouting comment="== RAPTORCACHE ==" \
content="X-Cache: HIT from Raptor" new-connection-mark=raptor-connection \
protocol=tcp src-address=192.168.10.2
add action=mark-packet chain=postrouting connection-mark=raptor-connection \
new-packet-mark=raptor-packs
add action=mark-connection chain=postrouting comment="== SQUID ==" content=\
"X-Cache: HIT from proxy.os.com" new-connection-mark=squid-connection \
protocol=tcp src-address=192.168.10.2
add action=mark-packet chain=postrouting connection-mark=squid-connection \
new-packet-mark=squid-packs
/ip firewall nat
add action=masquerade chain=srcnat out-interface=WAN
add action=dst-nat chain=dstnat comment="Redirect Raptorcache" dst-port=80 \
protocol=tcp src-address=!192.168.10.2 to-addresses=192.168.10.2 \
to-ports=3128
con esta configuracion lo tengo trabajando 3 dias
http://www.alterserv.com/foros/index.php?topic=1659.0
Saludos
EDITADO: Por Firecold