How do I get my dhcp address to change?
Mark_Andrews at isc.org
Fri Dec 3 22:56:40 UTC 2004
> We are attached to the internet through a cable modem. It seems like
> someone germany keeps port scanning us. We'd like to try switching our
> ip adresss to something different to hide form whomever this is. We
> shut down our server for about half an hour, but our ISP kindly
> restored our original IP address. Is there a way that we can for our
> IP to change? Is there some sort of request we cxan send or trick we
> can do by temporarily turning off DHCP and sending an invalid request
> for a fixed IP?
Firstly what does this have to do with comp.protocols.dns.bind?
Secondly this is part and parcel of being on the Internet.
Changing IP will not prevent you being scanned.
It a big bad world out there where everyone with a computer
is your neigbour and they can all rattle the door knob. Make
sure all the doors are locked that should be locked and move
In otherwords make sure your system is secured. Don't run
applications you don't need. Use firewall(s) (always on
the machine and additionally a standalone box) to block
unauthorised access. There are many ways for a machine
behind a standalone firewall to get compromised. You need
to protect yourself from unathorised access from other
machines behind the standalone firewall (there are some
network programs that only need to be reached from the
Keep the applications and OS you do use up to date. Get
on the announcement lists for the applications you do use
so you are informed when there is a problem.
Get on the local CERT's announcement list.
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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