Re: Hidden ISP firewall/filtering

["Craig Van Tassle" <craig () codestorm org>]

Your best bet is to check with your ISP.

A good way to check is to setup a couple of servers on a box, put that
outside your firewall and then see if you can telnet to them. I would use
a box that you can wipe after you do this test.
> I recently purchased a Watchguard XTM2 to handle our firewall and VPN with
> IPSec, but when attempting to connect via VPN with IPSec, it gives a
> message
> of "VPN gateway not responding (waiting for MSG2)"  I have removed our
> watchguard from the network and when I do a "shields up" scan it shows all
> ports being closed.  Long story short . . . does anyone know if there is a
> way to find out if our ISP actually has a firewall/filtering in place, or
> b)
> have any other thoughts.
>
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