Re: Adelphia at home and NAT...

[Scott I. Remick]

On Wed, 10 Dec 2003 18:42:39 -0500, Alex ander Sendzimir wrote:

> I chose Adelphia for my high speed internet service here in lovely 
> Vermont. 

Same here! By the way, let me point you to a site I just started,
http://www.vtbsd.net/ while we're at it. :) Feel free to stop by and hang
out sometime... would love to drum up a community.

> I would like to be able to ssh into my home machine from a remote 
> internet site or someone else's computer. I've tried a couple of things 
> I thought might work and no such lunch. I understand Adelphia might be 
> using NAT to route packets to my home machine. If this is true, does it 
> mean I'm can't ssh remotely? How, if possible, can I get through. There 
> is a company in Boston that advertises a package that does dynamic DNS 
> for home computers. I haven't looked into how it works, though. There's 
> gotta be a way!

What I did to simplify things was pick up a DSL/cable router. I can
recommend Netgear... I started with an RP614 but then upgraded recently to
a WGR614.

The router will receive a DHCP address from the cable modem. Your FreeBSD
system will then receive a different DHCP address from the router, by
default in the 192.168.0.nnn range. Netgear routers support interfacing
with dyndns.org so you don't have to worry about knowing what IP address
your router has this day. So you set up an account w/ dyndns (free) then
config the router appropriately.

All that's left is to open port 22 (or a different one if you want to use a
non-standard port) on the router to point to your FreeBSD box. I'd
recommend narrowing the DHCP range that the router picks from and leaving a
range for static assignment. Then have your FreeBSD system use a static IP.
That way you don't have to worry about the IP on the FreEBSD box
accidentally changing for whatever reason and you not being able to ssh in.

I've been doing this for a while now, and also tunnel VNC over the ssh
connection. Works great!

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RE: Adelphia at home and NAT...

[fbsd_user]

I have Adelphia Cable also and this is how it works. They use DHCP
to issue dynamic ip addresses to their cable modem. The ip address
does not change unless you power off the cable modem or there is an
power outage in your area. Use ifconfig command to display info
about your interfaces (IE: Nic cards), the Nic card cabled from FBSD
gateway to cable modem will have an public IP address assigned by
Adelphia. Write down that ip address, when at work use ssh to login
at that ip address and you will go to your home machine. If you have
web server on your FBSD system you can just use IP address in
ms/windows internet browser to access your home apache server.

Your other question about using 'dynamic DNS for home computers' has
been answered many times in this list. You need to do your home work
to earn your strips by first searching this lists archives for you
answers.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Alex (ander
Sendzimir)
Sent: Wednesday, December 10, 2003 6:43 PM
To: [EMAIL PROTECTED]
Subject: Adelphia at home and NAT...


I chose Adelphia for my high speed internet service here in lovely
Vermont. Well, actually, Adelphia is the ONLY choice. Don't get me
started. DSL isn't even in sight.

I would like to be able to ssh into my home machine from a remote
internet site or someone else's computer. I've tried a couple of
things
I thought might work and no such lunch. I understand Adelphia might
be
using NAT to route packets to my home machine. If this is true, does
it
mean I'm can't ssh remotely? How, if possible, can I get through.
There
is a company in Boston that advertises a package that does dynamic
DNS
for home computers. I haven't looked into how it works, though.
There's
gotta be a way!

Thanks,

Alex

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Alexander Sendzimir 802 863 5502
  Mac Tutor of Vermont, LLC info @ mactutor . vt . us
   Colchester, VT 05446

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