Subj : Re: Connect...??
To   : Nicholas Boel
From : Tony Langdon
Date : Fri Jan 13 2017 10:42 am

-=> Nicholas Boel wrote to Tony Langdon <=-

NB> On my router, the IPv6 packet filter is laid out exactly the same as
NB> the IPv4 port forwarding section. So however you want to describe it, I
NB> would do the exact same thing (settings-wise) for both IPv4 and IPv6.

Same on mine, manufacturers dumbing things down too much, because there is a
key difference between port forwarding and packet filtering.  In port
forwarding, the internal host can use a different port to what the public sees.
With packet filtering, that's normally not possible, because the router is
doing nothing more than accepting or blocking traffic to a specific port on a
LAN host.  It is not rewriting packets.

So, when you're using IPv6, an extra constraint is that the host needs to be
listening on the same port that the public sees (My router only has a single
field for the port in IPv6).

TL> I run all my binkp services on the same port, because I have multiple
TL> public IPv4 (via VPN) and IPv6 addresses on the LAN.

NB> Congrats. Most of us don't have that luxury for IPv4, and it is
NB> definitely not helping Bill's issue. :)

True, I did have to pay for it. :)


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