/ip firewall mangle
add action=mark-routing chain=prerouting comment=TPROXY dst-port=80,443 \
in-interface=Lan new-routing-mark=TPROXY_M passthrough=no protocol=tcp
add action=mark-connection chain=prerouting dst-port=80,443 in-interface=\
proxy new-connection-mark=TPROXY_T protocol=tcp src-address=\
!192.168.3.100
add action=mark-routing chain=prerouting connection-mark=TPROXY_T \
in-interface=!proxy new-routing-mark=TPROXY_M passthrough=no
/ip route
add distance=1 gateway=192.168.3.100 routing-mark=TPROXY_M