recebi de graça essas regras p/ CACHE FULL....
testei e ta funcionando redondo...... as regras sao essas p/ quem quizer testar.....
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/ip firewall mangle>
add chain=output protocol=tcp src-port=3128 action=mark-connection \> new-connection-mark=proxy passthrough=yes comment="PROXYLIVRE" \> disabled=no
add chain=output connection-mark=proxy action=mark-packet \> new-packet-mark=proxy passthrough=yes comment="PROXYLIVRE" disabled=no
add chain=output connection-mark=proxy action=return comment="PROXYLIVRE" \> disabled=no
/queuer simple
add name="ProxyLivre" dst-address=0.0.0.0/0 interface=all parent=none packet-marks=proxy \ priority=1 queue=default/default limit-at=10000000/10000000
max-limit=10000000/10000000 \ total-queue=default disabled=no
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postem ai os resutados.... ou vamos melhorar essas regras