смотрим последнюю запись в таблице.
root@ftpserver:~# iptables -t raw -A PREROUTING -s 45.142.215.0/24 -j DROP
root@ftpserver:~# iptables -t raw -L PREROUTING --line-numbers
Chain PREROUTING (policy ACCEPT)
num target prot opt source destination
1 DROP all -- 207.171.0.0/16 anywhere
2 DROP all -- 180.150.0.0/16 anywhere
3 DROP all -- 147.185.0.0/16 anywhere
4 DROP all -- 185.239.70.0.16clouds.com/23 anywhere
5 DROP all -- 45.62.0.0/16 anywhere
6 DROP all -- r0.it7.net/16 anywhere
7 DROP all -- 171.204.0.0/15 anywhere
8 DROP all -- 171.192.0.0/13 anywhere
9 DROP all -- 171.200.0.0/14 anywhere
10 DROP all -- 171.128.0.0/10 anywhere
11 DROP all -- 171.206.0.0/16 anywhere
12 DROP all -- 62.204.41.0/24 anywhere
13 DROP all -- 103.41.0.0/16 anywhere
14 DROP all -- cg-in-f0.1e100.net/16 anywhere
15 DROP all -- cj-in-f0.1e100.net/16 anywhere
16 DROP all -- 74.208.0.0/16 anywhere
17 DROP all -- ebuuv1re2tg.expanse.co/24 anywhere
18 DROP all -- 64.62.0.0/16 anywhere
19 DROP all -- 66.132.0.0/16 anywhere
20 DROP all -- 64.227.0.0/16 anywhere
21 DROP all -- 164.92.0.0/16 anywhere
22 DROP all -- 92.1.0.0/16 anywhere
23 DROP all -- unused-space.coop.net/22 anywhere
24 DROP all -- 196.245.0.0/18 anywhere
25 DROP all -- 160.223.160.0/20 anywhere
26 DROP all -- 173.239.192.0/18 anywhere
27 DROP all -- ./24 anywhere
root@ftpserver:~#
это косяк или как? в чем прикол?