> On Wed, Feb 19, 2003 at 02:40:34PM -0500, Branson Matheson wrote:
>> I have seen this somewhat a few times in the mailing lists.. but no
>> concrete answer. I am using nessus-1.3.x.. and have consistent
>> problems with FreeBSD and finding all the hosts that nmap finds with
>> no problem. I have started running nmap and using the output to get
>> around the problem but it's rather a pita.
>
> The problem lies in Nessus architecture - to ping a host, you need to
> read raw packets, and to do that under BSD, each process willing to
> read raw packets needs to open a /dev/bpfN.
>
> Nessus has a workaround, which basically opens one bpf and shares it,
> but it's far from being efficient. What I suggest is that you download
> the latest version 1.3.x from CVS and read nessus-libraries/README.BPF
> which basically will tell you how to create a lots of /deb/bpf (I
> suggest 100, you should at least have 42). Once this is done, the
> configure script will consider that you have enough /dev/bpf's and
> won't compile the inefficient workaround.

 This didn't solve the problem. Also .. that readme is not in the
nightly tarball? Can't CVS where I am right now .. but I will when
I get home to check there.




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