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- <li><em>date</em>: Tue Jan 6 17:20:00 2004</li>
- <li><em>from</em>: mike at tyderia.net (Mike Murphy)</li>
- <li><em>in-reply-to</em>: <<a href="msg00161.html">[email protected]</a>></li>
- <li><em>references</em>: <<a href="msg00133.html">[email protected]</a>> <<a href="msg00161.html">[email protected]</a>></li>
- <li><em>subject</em>: [ale] Comcast linux...</li>
Mike
Bob Toxen wrote:
> On Tue, Jan 06, 2004 at 09:36:57AM -0500, Yu, Jerry wrote:
>
>>I have a RH linux hooked up to the cable modem (Motorolla surfboard ??4100).
>>It always picks up IP/subnet/dns using DHCP just fine. The RH has been
>>upgraded from RH 6.1 all the way to 9.0. Hasn't got around to upgrade to
>>Fedora yet.
>>Make sure your firewall rules allows DHCP (67/68).
>>I can give you the information once I get home. However, the IP you grab
>>manually may conflicts with whoever gets assigned by Comcast's DHCP
>>server...
>
> Actually, you probably do NOT need to enable DHCP (UDP 67/68) in your
> firewall as dhclient (and almost certainly the other DHCP clients) put
> the interface in Promiscuous mode to listen. They need to do this because
> otherwise the hardware will filter out DHCP packets as having someone else's
> IP address as the destination. Do "ifconfig" and look for the PROMISCUOUS
> flag (unless you have one of the versions of RH that have a broken version
> of ifconfig, in which case the script that ships with my book will tell.)
>
> Yet another reason why DHCP is a badly designed protocol. Who created it
> anyway? The other reason is that it is UDP which is spoofable, rather than
> TCP which is not with a decent stack. Microsoft?
>
> Bob
>
>
>
>>-----Original Message-----
>>From: Byron A Jeff [<a rel="nofollow" href="mailto:byron";>mailto:byron</a> at cc.gatech.edu]
>>Sent: Tuesday, January 06, 2004 7:26 AM
>>To: Atlanta Linux Enthusiasts
>>Subject: Re: [ale] Comcast linux...
>
>
>
>>On Mon, Jan 05, 2004 at 03:20:48PM -0800, Berlin Brown wrote:
>
>
>>>I almost have my comcast cable modem setup. I think I just need a primary
>>>dns, nameserver using ips only. Does anybody have the dns for atlanta
>>
>>from
>>
>>>comcast, emory area.
>
>
>>That's an interesting question. Everything for comcast is set up via DHCP
>>right?
>
>
>>>
>
>
>>>I cant find it on the net. And the people at comcast wont give it to me.
>>>Redhat is supposed to pick it up, but it didnt?
>
>
>>That's real interesting. Actually it just got more interesting as I checked
>>my smoothwall machine and it's acting as its own caching nameserver. So
>>I don't have the address either.
>
>
>>BTW the cc.gatech.edu College of Computing server will serve DNS addresses
>>to anyone who asks. It's what I always use when I don't know the local
>>address: 130.207.3.207
>
>
>>>
>
>
>>>Funny thing, when the comcast tech came. At first I never even thought
>>
>>you
>>
>>>needed a windows machine(havent installed a win machine in 2 years).
>>
>>Anyway
>>
>>>the guy went nuts over it.
>
>
>>Not only typical, but it's in your Terms of Service.
>
>
>>> I said fine, just leave the modem, 'We can't do
>>>that, once you get windows up, we will send another guy out.'
>
>
>>Again the standard response.
>
>
>>>B.S.!, just leave the modem, Ill figure it out, then he left.
>
>
>>It's unfair, but makes sense. Here's the facts of the matter:
>
>
>>1) The techs only have limited training.
>>2) The customers generally know nothing about computers and networking.
>>Usually
>> this gives the techs an advantage, until they come across one of us. ;-)
>>3) It costs money to train for another OS and....
>>4) They can lose their jobs if they leave without it being set up.
>
>
>>It's a tough life for us Linux folks, but in fact I and appreciate the
>>policy because if they did train the Techs (both rolling and phone),
>>the cost of service goes up.
>
> The service does not go up. The $600 a year that one Linux user spends
> is more enough to add two lines to the script that the Techs use.
>
>
>>On the phone I always tell 1st level tech support that's it's a Windows 2000
>>box. I patiently explain that it's the cable modem, not my machine. If I
>>get to second level I ask "Do you want to hear the truth?". Usually they do,
>>but they don't flip out. I ask them what they are looking for and translate.
>
> Yes, the only way I got the MediaMinusOne (that became ComCast) morons to
> verify that they miskeyed my MAC address (despite my handing them a printed
> copy) was by lying and saying that I hat Windoze95.
>
>
>>I still find it interesting that no DNS info comes through...
>
>
>>BAJ
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> <a rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>
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Mike Murphy
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<li><strong><a name="00163" href="msg00163.html">[ale] Comcast linux...</a></strong>
<ul><li><em>From:</em> bob at verysecurelinux.com (Bob Toxen)</li></ul></li>
<li><strong><a name="00165" href="msg00165.html">[ale] Comcast linux...</a></strong>
<ul><li><em>From:</em> bigbinc03 at yahoo.com (Berlin Brown)</li></ul></li>
</ul></li></ul>
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<li><strong><a name="00133" href="msg00133.html">[ale] Comcast linux...</a></strong>
<ul><li><em>From:</em> jerry.yu at Voicecom.com (Yu, Jerry)</li></ul></li>
<li><strong><a name="00161" href="msg00161.html">[ale] Comcast linux...</a></strong>
<ul><li><em>From:</em> bob at verysecurelinux.com (Bob Toxen)</li></ul></li>
</ul></li></ul>
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