I've got a host on a network, and all IPv6 traffic is not filtered to
that host, but the IPv4 traffic is filtered. It's the only host
speeking IPv6 on the network.
That host is now acting as IPv6 router and IPv4(NAT) router. Is it
possible to gain IPv4-privileges on the network by routing through IPv6
to that most and make it translate to IPv4?
host A(10.1.1.1)-------|
router(v6 and v4) -- ipv4 subnet -- IPv4 firewall
---- internet
host B(10.1.2.1)-------|
Through tunneling my router is reachable.
My sysadmin is somewhat concerned and I suppose there must be a
possibility to infiltrate that way, but I don't know how.
Because I can imagine, in the future; when there will be hosts that only
speak IPv6; and if they want to reach a host that only speaks IPv4 there
must be a way. At this time I've disabled the IPv4 routing.
tnx for your help.
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