iptables questions

[Tyler Littlefield]

When I looked at my router, I seen that it was a 10.x IP.
When I signed up, they gave me a new 206 ip to use.
Thanks,
~~TheCreator~~
website:
http://tysplace.shaned.net
msn:
compgeek134 at hotmail.com
aim:
st8amnd2005
skype:
st8amnd127
moo coder/wizard and administrator

----- Original Message ----- 
From: "John Heim" <jheim at math.wisc.edu>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Wednesday, July 12, 2006 6:46 PM
Subject: Re: iptables questions


> When the tech support guys at Tyler's ISP told him he had a "private"
> IP, they probably meant they're blocking incoming connections.  He had
> to pay $5 extra to get them to punch a hole in their firewall.  Lots of
> ISPs block some ports so you can't set up your own smtp server, for
> example.  Maybe Tyler's ISP blocks all incoming connections by default
> and allows only outgoing and existing connections.
>
> I can't believe an ISP would hand out 10.0.0/24 addresses. Hand out
> private IP addresses and do NAT for every customer? Impossible (I
> think). It may even be illegal.
>
> More likely, they have a range of IP addresses that are not blocked by
> their firewall. They had to reassign him one from that range. That's
> what cost $5. I think "private" is marketing-speak for "blocked".
>
> Gregory Nowak wrote:
> >
>
> +
>
>   -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > On Wed, Jul 12, 2006 at 12:20:19PM -0600, Tyler Littlefield wrote:
> >>     Um... I called the ISP, and had to go up to the manager, because no
one
> >> else woudl tell me what was going on. It turned out that it **wasn't**
the
> >> modem/router, but I had a private IP. I ended up paying $5 extra a
month for
> >> a public.
> >
> > Ok, but that's one heck of a rip off if you ask me. A decent ISP will
> > give you a dynamic publicly accessible IP for free, and charge you
> > extra for your own public static address. For an ISP to be doing NAT
> > on it's network for it's customers, and be charging to give them a
> > public IP which I'm guessing is still dynamic, is a rip off.
> >
> > Anyway, you have 3 machines you said with internet
> > connections. However, you still have one public IP address, unless you
> > purchased a block of static addresses. So, my point still stands, your
> > modem or router is still doing IP masquerading for you, and assigning
> > an internal IP to each of your 3 machines.
> >
> > Greg
> >
> >
> >
> > - -- 
> > web site: http://www.romuald.net.eu.org
> > gpg public key: http://www.romuald.net.eu.org/pubkey.asc
> > skype: gregn1
> > (authorization required, add me to your contacts list first)
> >
> > - --
> > Free domains: http://www.eu.org/ or mail dns-manager at EU.org
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.3 (GNU/Linux)
> >
> > iD8DBQFEtUCV7s9z/XlyUyARAmaBAJ954cyPQYqHfdAom9PZvxp61tj5UgCgtl27
> > Jf9c9b4pAzpM1UIQLByybHk=
> > =4SGI
> > -----END PGP SIGNATURE-----
> >
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