Gregetan juga kenapa IP attacker rata2 banyak yang datang dari china, termasuk attack brute force ftp yang ip nya rata2 datangnya dari china yang sayangnya beberapa kali sudah sempat berhasil melakukan injeksi malware ke situs-situs klien kita.
bagi yang punya kepentingan untuk memblokir ip china dengan hosts.deny silahkan disini
# Block China
ALL: 121.0.16.0/20, 121.100.128.0/17, 121.16.0.0/12, 121.192.0.0/14, 121.201.0.0/16, 121.204.0.0/14, 121.224.0.0/12, 121.248.0.0/14, 121.32.0.0/13, 121.40.0.0/14, 121.4.0.0/15, 121.46.0.0/15, 121.48.0.0/15, 121.51.0.0/16, 121.55.0.0/18, 121.56.0.0/15, 121.58.0.0/17, 121.59.0.0/16, 121.60.0.0/14, 121.68.0.0/14, 121.76.0.0/15, 121.8.0.0/13, 121.89.0.0/16, 122.0.128.0/17, 122.0.64.0/18, 122.198.0.0/16, 122.200.64.0/18, 122.4.0.0/14, 122.48.0.0/16, 122.49.0.0/18, 122.51.0.0/16, 122.8.0.0/13, 123.199.128.0/17, 123.49.128.0/17, 123.99.128.0/17, 124.108.40.0/21, 124.108.8.0/21, 124.112.0.0/13, 124.128.0.0/13, 124.147.128.0/17, 124.156.0.0/16, 124.160.0.0/13, 124.16.0.0/15, 124.172.0.0/15, 124.192.0.0/15, 124.196.0.0/16, 124.200.0.0/13, 124.20.0.0/15, 124.220.0.0/14, 124.224.0.0/12, 124.240.0.0/17, 124.242.0.0/16, 124.243.192.0/18, 124.248.0.0/17, 124.249.0.0/16, 124.250.0.0/15
ALL: 124.254.0.0/18, 124.29.0.0/17, 124.40.128.0/18, 124.42.0.0/17, 124.47.0.0/18, 124.64.0.0/15, 124.66.0.0/17, 124.6.64.0/18, 124.67.0.0/16, 124.68.0.0/14, 124.72.0.0/13, 124.88.0.0/13, 125.104.0.0/13, 125.112.0.0/12, 125.171.0.0/16, 125.208.0.0/18, 125.210.0.0/16, 125.213.0.0/17, 125.215.0.0/18, 125.216.0.0/13, 125.254.128.0/18, 125.31.192.0/18, 125.32.0.0/12, 125.58.128.0/17, 125.62.0.0/18, 125.64.0.0/11, 125.96.0.0/15, 125.98.0.0/16, 134.196.0.0/16, 159.226.0.0/16, 161.207.0.0/16, 162.105.0.0/16, 166.111.0.0/16, 167.139.0.0/16, 168.160.0.0/16, 192.124.154.0/24, 192.188.170.0/24, 192.83.122.0/24, 192.83.169.0/24, 198.17.7.0/24, 202.0.110.0/24, 202.0.176.0/22, 202.10.64.0/20, 202.112.0.0/13, 202.120.0.0/15, 202.122.0.0/21, 202.122.112.0/21, 202.122.128.0/24, 202.122.32.0/21, 202.122.64.0/19, 202.123.96.0/20, 202.125.176.0/20, 202.127.0.0/21, 202.127.112.0/20, 202.127.12.0/22
ALL: 202.127.128.0/19, 202.127.160.0/21, 202.127.16.0/20, 202.127.192.0/20, 202.127.208.0/23, 202.127.212.0/22, 202.127.216.0/21, 202.127.224.0/19, 202.127.40.0/21, 202.127.48.0/20, 202.130.0.0/19, 202.130.224.0/19, 202.131.16.0/21, 202.131.208.0/20, 202.131.48.0/20, 202.136.208.0/20, 202.136.224.0/20, 202.136.252.0/22, 202.136.48.0/20, 202.141.160.0/19, 202.142.16.0/20, 202.14.235.0/24, 202.14.236.0/23, 202.14.238.0/24, 202.143.16.0/20, 202.14.88.0/24, 202.148.96.0/19, 202.149.160.0/19, 202.149.224.0/19, 202.150.16.0/20, 202.152.176.0/20, 202.153.48.0/20, 202.158.160.0/19, 202.160.176.0/20, 202.164.0.0/20, 202.165.176.0/20, 202.165.208.0/20, 202.165.96.0/20, 202.168.160.0/19, 202.170.128.0/19, 202.170.216.0/21, 202.173.224.0/19, 202.173.8.0/21, 202.179.240.0/20, 202.180.128.0/19, 202.181.112.0/20, 202.189.80.0/20, 202.192.0.0/12, 202.20.120.0/24, 202.22.248.0/21, 202.38.0.0/20
ALL: 202.38.128.0/21, 202.38.136.0/23, 202.38.138.0/24, 202.38.140.0/22, 202.38.146.0/23, 202.38.149.0/24, 202.38.150.0/23, 202.38.152.0/22, 202.38.156.0/24, 202.38.158.0/23, 202.38.160.0/23, 202.38.164.0/22, 202.38.168.0/21, 202.38.176.0/23, 202.38.184.0/21, 202.38.192.0/18, 202.38.64.0/18, 202.41.152.0/21, 202.41.240.0/20, 202.4.128.0/19, 202.4.252.0/22, 202.43.144.0/20, 202.46.224.0/20, 202.46.32.0/19, 202.60.112.0/20, 202.63.248.0/22, 202.69.16.0/20, 202.69.4.0/22, 202.70.0.0/19, 202.74.8.0/21, 202.75.208.0/20, 202.8.128.0/19, 202.85.208.0/20, 202.90.0.0/22, 202.90.224.0/20, 202.90.252.0/22, 202.91.0.0/22, 202.91.128.0/22, 202.91.176.0/20, 202.91.224.0/19, 202.92.0.0/22, 202.92.252.0/22, 202.93.0.0/22, 202.93.252.0/22, 202.94.0.0/19, 202.95.0.0/19, 202.95.252.0/22, 202.96.0.0/12, 203.100.192.0/20, 203.100.32.0/20, 203.100.80.0/20, 203.100.96.0/19, 203.110.160.0/19
ALL: 203.118.192.0/19, 203.119.24.0/21, 203.119.32.0/22, 203.128.128.0/19, 203.128.32.0/19, 203.128.96.0/19, 203.130.32.0/19, 203.132.32.0/19, 203.134.240.0/21, 203.135.160.0/20, 203.135.96.0/19, 203.148.0.0/18, 203.152.64.0/19, 203.156.192.0/18, 203.158.16.0/21, 203.161.192.0/19, 203.166.160.0/19, 203.171.224.0/20, 203.174.96.0/19, 203.175.128.0/19, 203.175.192.0/18, 203.176.168.0/21, 203.184.80.0/20, 203.187.160.0/19, 203.190.96.0/20, 203.191.144.0/20, 203.191.16.0/20, 203.191.64.0/18, 203.192.0.0/19, 203.196.0.0/21, 203.207.128.0/17, 203.207.64.0/18, 203.208.0.0/20, 203.208.16.0/22, 203.208.32.0/19, 203.209.224.0/19, 203.212.0.0/20, 203.212.80.0/20, 203.222.192.0/20, 203.222.42.64/26, 203.223.0.0/20, 203.79.0.0/20, 203.80.144.0/20, 203.81.16.0/20, 203.83.56.0/21, 203.86.0.0/18, 203.86.64.0/19, 203.88.192.0/19, 203.88.32.0/19, 203.89.0.0/22, 203.90.0.0/22, 203.90.128.0/18
ALL: 203.90.192.0/19, 203.91.120.0/21, 203.91.32.0/19, 203.91.96.0/20, 203.92.0.0/22, 203.92.160.0/19, 203.93.0.0/16, 203.94.0.0/19, 203.95.0.0/21, 203.95.96.0/19, 203.99.16.0/20, 203.99.80.0/20, 210.12.0.0/15, 210.14.128.0/17, 210.14.64.0/19, 210.15.0.0/17, 210.15.128.0/18, 210.16.128.0/18, 210.185.192.0/18, 210.192.96.0/19, 210.21.0.0/16, 210.22.0.0/16, 210.23.32.0/19, 210.25.0.0/16, 210.26.0.0/15, 210.28.0.0/14, 210.32.0.0/12, 210.5.0.0/19, 210.51.0.0/16, 210.5.128.0/19, 210.52.0.0/15, 210.56.192.0/19, 210.72.0.0/14, 210.76.0.0/15, 210.78.0.0/16, 210.79.224.0/19, 210.79.64.0/18, 210.82.0.0/15, 210.87.128.0/18, 211.136.0.0/13, 211.144.0.0/12, 211.160.0.0/13, 211.64.0.0/13, 211.80.0.0/12, 211.96.0.0/13, 218.0.0.0/11, 218.104.0.0/14, 218.108.0.0/15, 218.185.192.0/19, 218.192.0.0/12, 218.240.0.0/13, 218.249.0.0/16, 218.56.0.0/13, 218.64.0.0/11, 218.96.0.0/14, 219.128.0.0/11
ALL: 219.216.0.0/13, 219.224.0.0/12, 219.242.0.0/15, 219.244.0.0/14, 219.72.0.0/16, 219.82.0.0/16, 220.101.192.0/18, 220.112.0.0/14, 220.152.128.0/17, 220.154.0.0/15, 220.160.0.0/11, 220.192.0.0/12, 220.231.0.0/18, 220.231.128.0/17, 220.232.64.0/18, 220.234.0.0/16, 220.242.0.0/15, 220.248.0.0/14, 220.252.0.0/16, 221.0.0.0/13, 221.12.0.0/17, 221.12.128.0/18, 221.122.0.0/15, 221.129.0.0/16, 221.130.0.0/15, 221.13.0.0/16, 221.133.224.0/19, 221.136.0.0/15, 221.14.0.0/15, 221.172.0.0/14, 221.176.0.0/13, 221.192.0.0/14, 221.196.0.0/15, 221.198.0.0/16, 221.199.0.0/17, 221.199.128.0/18, 221.199.192.0/20, 221.199.224.0/19, 221.200.0.0/13, 221.208.0.0/12, 221.224.0.0/12, 221.8.0.0/14, 222.125.0.0/16, 222.126.128.0/17, 222.128.0.0/12, 222.160.0.0/14, 222.16.0.0/12, 222.168.0.0/13, 222.176.0.0/12, 222.192.0.0/11, 222.240.0.0/13, 222.248.0.0/15, 222.32.0.0/11, 222.64.0.0/11, 58.100.0.0/15
ALL: 58.116.0.0/14, 58.128.0.0/13, 58.14.0.0/15, 58.144.0.0/16, 58.154.0.0/15, 58.16.0.0/13, 58.192.0.0/11, 58.240.0.0/12, 58.24.0.0/15, 58.30.0.0/15, 58.32.0.0/11, 58.66.0.0/15, 58.82.0.0/15, 58.87.64.0/18, 59.107.0.0/16, 59.108.0.0/14, 59.151.0.0/17, 59.172.0.0/15, 59.191.0.0/17, 59.192.0.0/10, 59.32.0.0/11, 59.64.0.0/12, 59.80.0.0/14, 60.0.0.0/11, 60.160.0.0/11, 60.194.0.0/15, 60.200.0.0/13, 60.208.0.0/12, 60.232.0.0/15, 60.235.0.0/16, 60.245.128.0/17, 60.247.0.0/16, 60.253.128.0/17, 60.255.0.0/16, 60.55.0.0/16, 60.63.0.0/16, 61.128.0.0/10, 61.232.0.0/14, 61.236.0.0/15, 61.240.0.0/14, 61.28.0.0/17, 61.29.128.0/17, 61.45.128.0/18, 61.47.128.0/18, 61.48.0.0/13, 61.8.160.0/20, 61.87.192.0/18
Sebenarnya bagi anda yang pakai CSF bisa dengan mudahnya melakukan blocking ini, cari aja CC_DENY masukin CN Beres dah, cuman sayangnya aq ingin yang di blok service ftpnya saja eee. gimana tuh?
Sumber : http://forums.devshed.com/bsd-help-31/blocking-a-range-of-ip-s-in-hosts-deny-322368.html