Security Basics: Re: NMAP Failed to lookup device subnet/netmask: eth0

[Ansgar -59cobalt- Wiechers <bugtraq () planetcobalt net>]

On 2005-04-05 TStark wrote:
> Starting nmap 3.81 ( http://www.insecure.org/nmap/ ) at 2005-04-05 19:22 EDT
> Failed to lookup device subnet/netmask: eth0: no IPv4 address assigned
                                                ^^^^^^^^^^^^^^^^^^^^^^^^
[...]
> [root () localhost ~]# ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:02:2D:WS:2G:4B
>           inet6 addr: ffgtr::1212:###:fe###:####/64 Scope:Link
            ^^^^^^^^^^
[...]
> eth0:1    Link encap:Ethernet  HWaddr 00:02:##:##:##:##
>           inet addr:192.168.100.44  Bcast:192.###.###.###  Mask:255.###.###.#
Assign an IPv4 address to eth0 or use option -6.

man nmap

Regards
Ansgar Wiechers
-- 
"All vulnerabilities deserve a public fear period prior to patches
becoming available."
--Jason Coombs on Bugtraq

---------------------------------------------------------------------------
Earn your MS in Information Security ONLINE
Organizations worldwide are in need of highly qualified information security 
professionals.  Norwich University is fulfilling this demand with its MS in 
Information Security offered online.  Recognized by the NSA as an 
academically excellent program, NU offers you the opportunity to earn your 
degree without disrupting your home or work life.

http://www.msia.norwich.edu/secfocus_en
----------------------------------------------------------------------------