On Wed, 28 Sep 2005 15:59:09 +0100, Ian <gruntyonline@hotmail.com>
wrote:

>apngss@yahoo.com wrote:
>> I want to ask who assigns the IP address to a machine that connects to
>> the Internet? The ISP, the network card (i.e. MAC address??), or the
>> router?
>>
>> It seems like my IP address is fixed everytime connected to the
>> Internet, it seems very unsecure because it allows hackers track the
>> computers more easily.
>>
>> I thought the IP address should be dynamic, and each time when we
>> connect to the Internet should have different IP address.
>>
>> Is there a way that makes the IP address in my machine becomes dynamic?
>>
>> Please advise. thanks!!
>>
>Nice crossposting!
>
>Your ISP is assigning your Internet IP Address - You need a static
>address if you are:
>Hosting a mailserver
>Hosting a website
>Providing Dialin Access (VPN)

No, you don't. no-ip, dyndns and similar services allow you to do all
of the above with dynamic IPs.

mike