[aclug-L] Re: Denied connections

[Bruce Bales <bbales@xxxxxxxxxxx>]

I've had the same IP address since July 26 and I turned the modem off for a week
while we went to Colorado week before last.
bruce

Ironrose wrote:

> I have been told that that is true.  There are more users than they have
> IP addresses, that is why they use dynamic IP's, rather than static
> IP's.  They scan to see if someone is using the modem, and if they are
> not, the IP address is given to someone else.  This allows more people
> to use the KS cable with less expense.  This doesn't happen very often
> any more since KS cable bought more IP addresses.  This is the story I
> was given in my NT and Internet classes @ Butler.  :-}
>
> David Carmichael wrote:
> >
> > I do not know if the local RoadRunner Service does this.... But I heard on
> > "The Screen Savers" (TechTV) that some cable modem systems will ping
> > connected modems to know if they need to keep the reserved IP address open
> > or if they can reassign it to some other users system.
> >
> > ----- Original Message -----
> > From: "Bruce Bales" <bbales@xxxxxxxxxxx>
> > To: <discussion@xxxxxxxxx>
> > Sent: Sunday, August 26, 2001 7:29 PM
> > Subject: [aclug-L] Re: Denied connections
> >
> > >
> > > Yes, most of mine are ports 80 and 139, with an occasional 27374.
> > >
> > > Thanks for the explanation, James.  Makes sense and now I feel more
> > secure.  Also,
> > > telnet is turned off by the stock Frazierwall.
> > > bruce
> > >
> > > james l wrote:
> > >
> > > > Root/Great Overall Dictator replies:
> > > > > I've been leaving my Frazierwall firewall turned on 24/7 for several
> > days.  It
> > > > > has been denying about 200 hits each 24 hours.  In the 24 hours
> > between about
> > > > > 0600 yesterday and 0600 today, I got almost 650 hits denied.  Kinda
> > makes me
> > > > > wonder what was going on before I got the wall up.
> > > > >
> > > >
> > > > Lots of the same here, mostly on port 80(http) (code red anyone?)
> > > > and a few on port 139 (smb).
> > > >
> > > > > A related question; What keeps someone from breaking in on one of the
> > ports that
> > > > > is not denied by the firewall?
> > > > > bruce
> > > > >
> > > >
> > > > Essentially each connection opens a 'tunnel' to the outside and if the
> > packet
> > > > is not sent as a response over one of these tunnels, it denys the
> > packet.
> > > > Unless, you specifically allow access to say port 80 (forewared to
> > another
> > > > machine), then there might be some problems.
> > > >
> > > > James L.
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> > >
> >
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