mai demult intreba cineva cum sa baneze un domeniu intreg de la care vine
spam. o rezolvare partiala este asta:
host nume.domeniu.com
care ca reintoarce ip-ul hostului, iar dupa aceea,
whois ip.ul.do.men si va reintoarce clasa in care se afla care se poate
trece foarte frumos in iptables cu -j DROP.
sper sa ajute.
par example, cum sa nu mai vina mail de la yahoo
root@NS1:~# host yahoo.com
yahoo.com. has address 216.115.108.245
root@NS1:~# whois 216.115.108.245
[ a lot of crap deleted ]
Netname: A-YAHOO-US2
Netblock: 216.115.96.0 - 216.115.111.255
Maintainer: YAOO
[ and even more crap deleted ]
root@NS1:~#
-----------------
Patrascu Eugeniu
linux registered user #228615
Nothing is faster than the speed of light ...
To prove this to yourself, try opening the refrigerator door before the
light comes on.
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