another newbie question

Kevin C Miller kevinm at andrew.cmu.edu
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 192.168.0.64 mask 
255.255.0.192 and not net 192.168.1.0 mask 255.255.0.0"

Also, 255.255.0.192 isn't a valid netmask. Do you mean 255.255.255.192 ?

-Kevin

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

> [root at enterprise u01]# ramon -M Matrix -n -L0 -r /u01/argus.log - dst net
> 192.168.0.64 mask 255.255.0.192 and ! net 192.168.1.0 mask 255.255.0.0 |
> wc -l
>     341



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



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