Re: Brighthouse issues

[Jared Geiger <jared () compuwizz net>]

On Tue, Jul 30, 2013 at 8:02 PM, Jeff Kell <jeff-kell () utc edu> wrote:

> On 7/30/2013 10:55 PM, Jay Ashworth wrote:
> > ----- Original Message -----
> > > From: "Jared Geiger" <jared () compuwizz net>
> > >
> > > We are seeing that all our customers in the Brighthouse Orlando, FL
> market
> > > that would make outbound connections on TCP port 3306 suddenly can't
> > > connect to us now. This happened suddenly mid day today.
>
> > > Speculation: are these residential class cablemodem customers?  Carriers
> > > are prone to block uncommon ports on such modems at random.
>
> Yeah, 3306 is MySQL.  Overly-paranoid firewall somewhere?  DDoS
> mitigation collateral damage?
I routed around nlayer>TWC>Brighthouse to Cogent>XO>Brighthouse and problem
was resolved. So the first path has something wonky. The reverse path is
BHN>Level3>Inforelay>Me.

So my guess is there is something in nlayer or TWC 7843 that is
filtering/limiting it.