On Tue, Jun 22, 2004 at 01:11:50PM -0400, shane mullins wrote:
> Hello,
> 
>     We have a large campus network with about 3000 nodes.  When I run a
> scan on the nework that the Nessus box is located on, it scans all
> hosts, and works great.  But when I run scans on other networks it skips
> hosts I know should be there, but not all hosts.  We are running Nessus
> 2.0.10 on FreeBSD 4.9.  We don't have any access lists on our internal
> routers, and to verify that nothing else was blocking traffic, I ran a
> simple port scan, which showed these hosts with open ports.  Any
> thoughts?

Do you have the ability to run Nessus on a Linux box ? The bpf sharing
system in 2.0.10 may have some bugs when under heavy load.

If you can't do that, could you recompile your FreeBSD system to have ~
100 bpfs[*], and then re-compile Nessus 2.0.10 from scratch ?


                                -- Renaud


[*] Read nessus-libraries/README.BPF
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