fixed IP for DHCP service at cox.net?

fixed IP for DHCP service at cox.net?
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Subject Author Date
fixed IP for DHCP service at cox.net? t 09-07-2006
Posted by t on September 7, 2006, 5:31 pm
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Is anyone else getting fixed IP for their DHCP services at cox.net?
I'm using their DHCP service out of Las Vegas area and every time I
restart the modem, the IP address stays the same. It works well except
for security and privacy concerns. If they are giving out fixed IP
this way, who wants static IP services?


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Posted by Bill M. on September 7, 2006, 7:02 pm
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>Is anyone else getting fixed IP for their DHCP services at cox.net?
>I'm using their DHCP service out of Las Vegas area and every time I
>restart the modem, the IP address stays the same. It works well except
>for security and privacy concerns. If they are giving out fixed IP
>this way, who wants static IP services?

It's typical for a DHCP server to keep handing you the same IP until
the ISP needs to perform maintenance or you change your MAC address,
as two examples. There shouldn't be any security or privacy concerns
with this. If you feel differently, please explain.

Even though DHCP _may_ give you the same IP for long periods of time,
you're not guaranteed to keep that IP, as mentioned above. When you've
signed up for a static IP, you can count on it not to change.

--
Bill

Posted by t on September 7, 2006, 9:18 pm
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Bill M. wrote:
>
> It's typical for a DHCP server to keep handing you the same IP until
> the ISP needs to perform maintenance or you change your MAC address,
> as two examples. There shouldn't be any security or privacy concerns
> with this. If you feel differently, please explain.
>

I am more concerned about information passed around on the internet.
Check this site:
http://www.proxyblind.org/
(At the top of the page there's all the information being passed to
that site.)

Basically one can be identified by the ip address and the host address
if ip address seldom changes. It's a privacy concern as it's much
easier to track a user's online activity. Also a security concern
because it's much easier for a dedicated hacker to find a particular
machine. An anonymous proxy server only partially solves the problem.


Posted by DLR on September 8, 2006, 9:02 am
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t wrote:
> Bill M. wrote:
>> It's typical for a DHCP server to keep handing you the same IP until
>> the ISP needs to perform maintenance or you change your MAC address,
>> as two examples. There shouldn't be any security or privacy concerns
>> with this. If you feel differently, please explain.
>>
>
> I am more concerned about information passed around on the internet.
> Check this site:
> http://www.proxyblind.org/
> (At the top of the page there's all the information being passed to
> that site.)
>
> Basically one can be identified by the ip address and the host address
> if ip address seldom changes. It's a privacy concern as it's much
> easier to track a user's online activity. Also a security concern
> because it's much easier for a dedicated hacker to find a particular
> machine. An anonymous proxy server only partially solves the problem.
>
Unless someone's after YOU they will just look for any old machine. They
probe and if you open you become a bot. Then it no longer matters if
your IP changes hourly, they still own you.

Install a router, change the password, put your computer on via NAT,
turn off the DMZ, and worry about something real.

Posted by Charles Newman on September 17, 2006, 1:40 pm
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> Is anyone else getting fixed IP for their DHCP services at cox.net?
> I'm using their DHCP service out of Las Vegas area and every time I
> restart the modem, the IP address stays the same. It works well except
> for security and privacy concerns. If they are giving out fixed IP
> this way, who wants static IP services?

DHCP assigns IP addresses based on your the MAC of your
IP card, so it will likely stay the same for months. I have seen
my computer have the same IP address for up to a year
sometimes.

>



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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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