Nmap Development: Re: Execution problem : getinterfaces: Failed to open ethernet in terface (fxp9)

[Fyodor <fyodor () insecure org>]

On Sat, Jan 07, 2006 at 11:49:48PM -0000, Dom Devitto wrote:
> BINGO, got it:
>
> "getinterfaces: Failed to open ethernet interface"
>
> really means - for 'clean' OpenBSD 3.8 at least:
>
> "You need more BPF devices, rebuild your kernel, and remake /dev, possibly
> changing MAKEDEV"
>
> Alternatively, using "ifconfig <interface> delete" to delete some interfaces
> seems to work too.
Good find.  I have added a link to your message to the error message:

--- tcpip.cc    (revision 3017)
+++ tcpip.cc    (working copy)
@@ -2296,7 +2307,7 @@
        eth_addr_t ethaddr;
 
        if (!ethsd) 
-         fatal("%s: Failed to open ethernet interface (%s)", __FUNCTION__,
+         fatal("%s: Failed to open ethernet interface (%s). A possible cause on BSD operating systems is running out 
of BPF devices (see http://seclists.org/lists/nmap-dev/2006/Jan-Mar/0014.html).", __FUNCTION__,
                mydevs[numifaces].devname);
        if (eth_get(ethsd, &ethaddr) != 0) 
          fatal("%s: Failed to obtain MAC address for ethernet interface (%s)",


Cheers,
-F


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