Got a managed VPN consisting of two sites. Site A has the FW and site B
accesses site A from the External interface on the FW and in on the
internal. The VPN between the two sites work fine, but site B is unable to
access any internet addresses. When trying to access anything outside the
following message is logged:

message_info: Dropped packet forwarded between two external interfaces

The message itself is a bit strange, as it indicates that a dropped packet
is being routed after it has been dropped.

But what I would like to know if it is at all possible for a FW-1 NG to
router packets coming in on the external interface straight back out again
to the internet? If  so, what rules do we need to have? At the moment I've
only added a HIDE NAT rule for the entire VPN net which is on coming in on
the external interface.

VPN traffic between the two sites:
Site B: 172.168.x.y -> Ext Int: 193.x.x.4 -> Internal Int: 172.168.x.1 ->
Site A 172.168.x.?

Internet traffic from site B:
Site B: 172.168.x.y -> Ext Int:193.x.x.4 -> Ext Int/Internet -> (packets
dropped with message above)

Is this at all possible? Or do we have to use a proxy of some kind behind
the FW on site A to allow internet access for site B.

Best Regards,
Thomas Nilsen

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