or download this
Jul 27 01:03:14 bsd sudo: www : TTY=unknown ; PWD=/usr/local/www/
+cgi-bin-dist/ntop ; USER=root ; COMMAND=/usr/local/www/cgi-bin/ntop/n
+top.sh start
...
Jul 27 01:03:17 bsd ntop[9651]: THREADMGMT: Started thread (14567270
+4) for network packet sniffing on vr0
Jul 27 01:03:17 bsd ntop[9651]: THREADMGMT: rrd thread (145672192) s
+tarted
Jul 27 01:03:17 bsd ntop[9651]: THREADMGMT: pcapDispatch(vr0) thread
+ running...