[GRLUG] Comcast blocking outside connections?

[Kyle Smith]

The Comcast DNS servers are always messed up.

On 9/28/06, john-thomas richards <jtr at jrichards.org> wrote:
> On Thu, Sep 28, 2006 at 10:18:04PM -0400, Luke McReynolds wrote:
> > I no longer have Comcast: I have JAS Networks Synchronous DSL now, out of
> > Battle Creek. I had Comcast for two years though, not that long ago.
> >
> > I had no problems at all with IP blocking, SSH or anything like that. With C
> > omcast, and certainly with JAS, I've found that connectivity problems are
> > almost always my own dumb fault, and not the fault of my ISP. I would
> > suggest going into the router configuration interface and seeing what's up
> > there.
> >
> > (Try going to 192.168.1.1 or 192.168.0.1, and looking on Google for the
> > default username/password for your router.)
>
> Uh...thanks.  I have been using Linux nigh unto ten years.  I know how
> to log into my router.  I am not a newbie.  Thanks for trying, though.
> By the way, I changed my router's IP address so people would not guess
> the two you listed.  :-)
>
> As I mentioned, I ssh'd into a remote host, checked the IP address from
> which I was connecting, and attempted to ping back that very IP address.
> I do not get a response.  At no point in the past several months have I
> changed anything in my router.  My IP address has suddenly become
> invisible to the world.  This is new behavior and is not the result of
> something I have done.  I tried ping both the IP address and the fully
> qualified domain name from Comcast.  Neither responds.  I can port scan
> myself from my internal network using the Comcast IP address.
> Interestingly, I called Comcast tonight.  I was told their is a
> city-wide outage in Grand Rapids.  I wonder if their DNS servers are
> wacked.  I mentioned this already, but the Comcast tech support person
> told me my IP address is different from the one that I actually have.
> Strange, that.
> --
> john-thomas
> ------
> I want everybody to tell me the truth, even if it costs them their jobs.
> Samuel Goldwyn
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