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Old 05-14-2012, 11:45 PM   #1
Registered: Oct 2010
Posts: 33

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IP address dissapears every so often!

So I am using backtrack 5 as a virtualbox guest OS. I am trying to attack two servers I have as other guest distros. They are both windows server 2008. One is "hardened", it has all its updates, unnecessary services have been shut off etc etc. The other is a freshly installed copy with no customization other than a password.
On backtrack 5 my eth0 adapter (All guest OS's are on an internal network) does not show an IPv4 address unless I assign it with
 ifconfig eth0
but after a little while, usually 5 - 10 minutes, it goes away. If I type
It shows an IPv6 address, but no IPv4.

How do I set this address as static?
Old 05-15-2012, 12:20 AM   #2
Registered: Jan 2010
Distribution: Debian, Centos, Ubuntu, Slackware
Posts: 361
Blog Entries: 3

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I'm not sure if it helps, but what about setting the network options more completely?
ifconfig eth0 netmask
Or even editing some specific config file, where your distribution keeps all settings, and then restarting the network/rebooting.
Old 05-15-2012, 03:00 AM   #3
LQ Newbie
Registered: May 2012
Posts: 5

Rep: Reputation: Disabled
BT is based on ubuntu which is based on debian.
Here is an example:
In short, edit your /etc/network/interfaces


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