Wondering if anybody can help me out.. Trying to block out a range of ip
addresses, specifically, my isp, who I caught trying to snoop around on
my machine the other day.

so here's what I did....

ipfwadm -I -i deny -P tcp -S 24.48.0/0/0/0 0 -D localhost 0 -e -v
ipfwadm -I -i deny -P udp -S 24.48.0/0/0/0 0 -D localhost 0 -e -v

I get the following response..

deny tcp opt ---- tos 0xFF 0x00 via * 0.0.0.0   0.0.0.0/0 -> 127.0.0.1
0 -> 0

Nothing says 24.48.0.0.

It doesn't exactly seem to work. For now I've set up host.allow/deny
files, but that only works with services in inetd.conf

What would the proper syntax be for ipfwadm for thi?  I basically want
to block everything, so my ISP can see my cable modem, and nothing else
beyond it. (my cable modem goes to the linux box)

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