fff

###
# 42.156.137.50 - - [19/Oct/2016:06:25:21 +0800] "GET <URL> HTTP/1.1" 200 11959 "-" "YisouSpider"
# http://www.gxnnseo.com/post/55.html
###
iptables -I INPUT -s 42.120.160/24 -j DROP
iptables -I INPUT -s 42.120.161/24 -j DROP
iptables -I INPUT -s 42.156.136/24 -j DROP
iptables -I INPUT -s 42.156.137/24 -j DROP
iptables -I INPUT -s 42.156.138/24 -j DROP
iptables -I INPUT -s 42.156.139/24 -j DROP