Re: Wackamole on FreeBSD 5.3 will not start

On Mon, Sep 20, 2004 at 03:44:44PM -0400, Theo Schlossnagle wrote:
> Eric L. Anderson wrote:
> 
> >On Fri, Sep 17, 2004 at 04:58:31PM -0500, Eric L. Anderson wrote:
> >
> >I rebuilt and reinstalled both the kernel and world. I can now verify
> >that I have BPF support as 'ls /dev/bpf0' returns correctly (my
> >understanding is that FreeBSD 5.x uses devfs and creates devices on
> >demand).
> >
> >wackamole still behaves the same:
> ># wackamole -d
> >socket: Protocol not supported
> >
> >I toyed with gdb a bit and tracked the failing socket() function call
> >down to ife-bpf.c:27:
> >
> >27 	if((_if_sock = socket (AF_INET, socket_type, htons(ETH_P_ALL))) == 
> >-1) {
> >28          perror ("socket");
> >29          exit (EXIT_FAILURE);
> >30        }
> >
> >Regards
> > 
> >
> Try replacing htons(ETH_P_ALL) with 0.  If you have the tools 
> (Ethereal), confirm that the packets sent on the wire are indeed ARP 
> responses.

Everything works fine now and indeed the ARP responses are being sent
out. 

Why does the htons(ETH_P_ALL) work on FreeBSD 4.x and not 5.x?

-- 
Eric L. Anderson
[email protected]