[PLUG] Comcast lease problem

Dr. Terry L. Bonner doctorbonner at comcast.net
Mon May 28 19:48:52 UTC 2007


On Mon, 28 May 2007 12:34:31 -0700
Keith Lofstrom <keithl at kl-ic.com> wrote:

 
> The Comcast dynamic IP is just that.  I once hired a sysadmin to
> help set up my firewall, and he hardwired the dynamic IP address in
> a bunch of places (DNS, iptables, etc) because "it never changes".
> That plagued me for years, until I learned enough to set up the
> network addresses correctly.
> 
> You can get your DNS at a place like dyndns.org, and run software
> that detects IP address changes and resets the dyndns.org URL to
> IP mapping in a minute or so.  Moving IP addresses will still
> confuse torrents, though, and a lot of mail servers out there won't
> talk to a dynamic IP address - too many spammers use them.
> 
> If you want a fixed IP address and a server, either pay Comcast for
> the privilege, or run a VPN tunnel to an offsite machine with a
> fixed IP address.  I do the latter, and I no longer care what IP
> address Comcast assigns to me (as long as it does not match the 
> IP address range of my internal 192.168... network).

Thanks for that!  I think I'm finally beginning to understand the basic
contrast between static and dynamic ip addresses.  It's useful
information.




Terry
_______________


All virtue is summed up in dealing justly.
     
    -Aristotle



More information about the PLUG mailing list