[win2kforum] Re: Does ICS/Proxy reveal your internal MAC addresses to your ISP
- From: "Mordy Gross" <mordygross@xxxxxxxxx>
- To: <win2kforum@xxxxxxxxxxxxx>
- Date: Wed, 9 May 2001 12:03:17 -0400
I've checked a few terms of service and it seems that most companies say
that they won't support it but they don't forbid it. A few comapnies,
however, actually forbid it. I thought that with ICS, only the internal NIC
card has the 192.168.x.x addressing scheme, and that should be invisible to
the outside network that is interfaced with the outgoing NIC card that
receives a dynamically assigned IP address from the ISP.
Mordy Gross
-----Original Message-----
From: win2kforum-bounce@xxxxxxxxxxxxx
[mailto:win2kforum-bounce@xxxxxxxxxxxxx]On Behalf Of The Ziggurat
Builder
Sent: Wednesday, May 09, 2001 1:15 AM
To: win2kforum@xxxxxxxxxxxxx
Subject: [win2kforum] Re: Does ICS/Proxy reveal your internal MAC
addresses to your ISP
Actually, I work for tech support at a major cable modem company (I should
say THE major cable modem company. Think Ted Turner) and we don't support
routers or firewalls. If it was that company, then just know that they
absolutely do NOT forbid routers, hubs, firewalls or linking multiple
computers (go ahead, link 10 together- it won't slow down this behemoth of a
company), they just don't SUPPORT it. Big difference.
The reason? It's simple: In tech support, we want to make sure that the
cable modem works- that means that the unit works, the signal is clear, and
that the signal is coming in correctly. If all the above is OK, then it's
not a hardware problem, and we move the qestion along to software support.
Software support deals with soft conflicts that may interefere with cable
modem service. If you have a router, and you call tech support, then what
you're looking for is ROUTER support, something that they don't deal with.
They want to make sure that the modem is working- any firewalls or routers
you add are your own business and they don't want to deal with them. Call
Cisco or the place where your router comes from, you know?
Anyway, it's very easy to tell if you're using a router. If you are
dynamically assigned an IP from a range, and someone at your ISP looks at or
pings your modem, they'll get back an IP address that reflects the DHCP
range. Routers ALMOST ALWAYS come up as 192.xxx IP addresses (the IP that
the router sends to the modem and computer). If you want to ghost it and
configure the router so that it comes up as another IP address, go ahead.
Use ipconfig to find your "direct" IP address, and then maybe add and
configure your router to use a similar IP to connect to your modem or
computer. Just realize, though, that when you call with a real connection
problem, lie about not having a router (or firewall, etc), and ghost a
real-looking IP address, the ONLY thing that they can do is to send a
technician- nothing else will work. So you'll wait like 1-3 days for some
geek to come out and say, "Take the router off!", see that it works without
the router, and leave.
Hope that helps
-Andy
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