What rules do you currently have? Post /export compact
Ok:
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# jul/17/2013 01:25:29 by RouterOS 5.18
# software id = 5CW8-R4QM
#
/ip hotspot profile
add hotspot-address=10.5.50.1 login-by=http-pap name=hsprof1 nas-port-type=\
ethernet radius-interim-update=1m use-radius=yes
/ip hotspot user profile
set [ find default=yes ] idle-timeout=none keepalive-timeout=2m shared-users=\
1000
/ip pool
add name=pool2 ranges=10.5.52.2-10.5.54.254
add name=pool1 next-pool=pool2 ranges=10.5.51.1-10.5.51.254
add name=hs-pool next-pool=pool1 ranges=10.5.48.1-10.5.49.255
/ip dhcp-server
add address-pool=hs-pool disabled=no interface=ether3 lease-time=1h name=\
dhcp1
/ip hotspot
add address-pool=hs-pool disabled=no interface=ether3 name=hotspot1 profile=\
hsprof1
/ip address
add address=192.168.27.181/24 interface=ether1
add address=10.5.50.1/22 interface=ether3
add address=10.6.50.1/24 interface=ether2
add address=10.5.52.1/22 interface=ether3
/ip dhcp-server network
add address=10.5.48.0/22 gateway=10.5.50.1
/ip dns
set allow-remote-requests=yes servers=8.8.8.8,8.8.4.4
/ip firewall filter
add chain=forward dst-address=10.5.50.2-10.5.50.70
add action=passthrough chain=unused-hs-chain comment=\
"place hotspot rules here" disabled=yes
/ip firewall nat
add chain=srcnat comment="Nessun nat per gli access-points" disabled=yes \
dst-address=10.5.50.2-10.5.50.70 out-interface=ether3
add action=passthrough chain=unused-hs-chain comment=\
"place hotspot rules here" disabled=yes
add action=masquerade chain=srcnat src-address=10.5.48.0/22 to-addresses=\
0.0.0.0
/ip hotspot ip-binding
add address=10.5.50.2-10.5.50.70 type=bypassed
/ip hotspot walled-garden
add comment="place hotspot rules here" disabled=yes
add dst-host=
www.xxx.it
/ip hotspot walled-garden ip
add action=accept comment=paypal1 disabled=no dst-host=
www.paypal.com
add action=accept comment=paypal2 disabled=no dst-host=paypalobjects.com
add action=accept comment=paypal3 disabled=no dst-host=history.paypal.com
add action=accept comment=paypal4 disabled=no dst-host=
www.paypalobjects.com
add action=accept disabled=no dst-address=192.168.27.2
/ip route
add distance=1 gateway=192.168.27.247
add distance=1 gateway=10.6.50.100
/radius
add address=192.168.27.2 secret=rb750 service=ppp,hotspot timeout=6s
/radius incoming
set accept=yes
/system ntp client
set enabled=yes mode=unicast primary-ntp=62.101.81.203 secondary-ntp=\
193.204.114.105
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Thanks