Re: nmap and routing problems

[David Fifield <david () bamsoftware com>]

On Wed, Feb 18, 2009 at 11:11:19AM +0200, Peter Gordon wrote:
> I am using the latest nmap, nmap-4.85BETA3, on a Debian system, running
> kernel 2.6.26.
>
> The setup is like this:
>
> I have several NICs on the computer, one of which is connected to the
> network which I wish to inspect.
>
> There are no default routes in the default routing table. 
>
> All routing is performed with ip route
>
> Typically, "ip route list table all" gives 
> 10.19.0.0/16            dev eth0  table eth0_table  scope link 
> default via 10.19.1.254 dev eth0  table eth0_table 
>
> The "route" command has no entries.
>
> I can successfully ping using "ping -I"
>
> nmap fails, even with the -e option.

Run Nmap with the -d option and send the exact error output. Also send
the output of

        nmap --iflist
        route -n
        cat /proc/net/route

You may obscure any identifying information if you wish. Nmap uses
/proc/net/route if available so we'll have to see if that file agress
with the rest of your configuration.

David Fifield

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