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Centos block IPs failed many times

来自 https://yq.aliyun.com/articles/624167?spm=a2c4e.11155435.0.0.49c63312Ds2gU9 vi /usr/local/bin/secure_ssh.sh #! /bin/bash cat /var/log/secure|awk ‘/Failed/{print $(NF-3)}’|sort|uniq -c|awk ‘{print $2″=”$1;}’ > /usr/local/bin/black.list for i in `cat /usr/local/bin/black.list` do IP=`echo $i |awk -F= ‘{print $1}’` NUM=`echo $i|awk -F= ‘{print $2}’` if [ ${#NUM} -gt 1 ]; then grep $IP /etc/hosts.deny > /dev/null if [ $? -gt 0 ];then echo “sshd:$IP:deny” >> /etc/hosts.deny fi • Read More »


Block names of celebrities or stars

From https://yq.aliyun.com/articles/627989?spm=a2c4e.11155435.0.0.49c63312Ds2gU9 About ten years ago, Baidu has been the front page of my browser. It was very handful. However, it became difficult to find information from other useless junks, not to mention its recommendations on the right side. Somebody got cheated/married/divorced/ or whatever. I really do not care. The simplest and direct method is • Read More »