On 19 October 2010 18:18, Hakan Koseoglu <ha...@koseoglu.org> wrote:

> On 19/10/10 16:54, Cornelius Mostert wrote:
> > The scenario is as follow:
> > 1. You have permission to work as Admin on a Lan
> > 2. You do NOT have any documentation from the previous Admin
> > 3. You find a router / WiFi Router that is in use and therefore you can
> > NOT reset it
> > 4. This router is a "home" / consumer router like Netgear, Linksys, etc.
> > So not an enterprise router
> > 5. You need to brows to the routers config web page to make some changes
> > (you assume the default admin and password for the router) BUT you do
> > NOT know the IP address
> > 6. You know the router is NOT a DHCP server
> >
> > Now the question is HOW do you find the IP address of the router ???
>
> If it is the router providing the access outside, netstat -nr will show
> you the route, hence the IP address of the router.
> If you know which servers/clients are using it as a gateway, run those
> commands from there.
>
> But what then, what will knowing the IP address provide to you, I'm not
> sure.
>
> If the previous admin has walked away with all of the information, I'd
> treat that router as compromised and take it off the net ASAP and
> replace it with a known configuration - damn the users, just let them
> know about the outage.
>
> Nmap will attempt to show you any IP addresses on the network with a
> reasonable distinction of if the device is Netgear, Cisco etc.
>
> --
> ubuntu-uk@lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk
> https://wiki.ubuntu.com/UKTeam/
>

+1 for netstat -nr.  Also look for a factory reset button on the router, but
make sure you know the settings first!

Steve
-- 
ubuntu-uk@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk
https://wiki.ubuntu.com/UKTeam/

Reply via email to