another newbie question

Kevin C Miller kevinm at
Tue Jan 20 12:06:04 EST 2004

It's just the BPF language that tcpdump and others use.

I would use 'not' instead of '!', e.g. "dst net mask and not net mask"

Also, isn't a valid netmask. Do you mean ?


--On Tuesday, January 20, 2004 11:58 AM -0500 "Furnish, Trever G" 
<TGFurnish at> wrote:

> [root at enterprise u01]# ramon -M Matrix -n -L0 -r /u01/argus.log - dst net
> mask and ! net mask |
> wc -l
>     341

Kevin C. Miller <kcm at>
Network Development
Carnegie Mellon University

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