屏蔽 Censys 的 IP 段
sudo ufw insert 1 deny from 162.142.125.0/24 to any
sudo ufw insert 1 deny from 167.94.138.0/24 to any
sudo ufw insert 1 deny from 167.94.145.0/24 to any
sudo ufw insert 1 deny from 167.94.146.0/24 to any
sudo ufw insert 1 deny from 167.248.133.0/24 to any
sudo ufw insert 1 deny from 199.45.154.0/24 to any
sudo ufw insert 1 deny from 199.45.155.0/24 to any
sudo ufw insert 1 deny from 206.168.34.0/24 to any
v6单独添加，首先查看编号
sudo ufw status numbered
再把以下插入到v6最上方，假设最上方的v6编号是20
sudo ufw insert 20 deny from 2602:80d:1000:b0cc:e::/80
sudo ufw insert 21 deny from 2620:96:e000:b0cc:e::/80
sudo ufw insert 22 deny from 2602:80d:1003::/112
sudo ufw insert 23 deny from 2602:80d:1004::/112
屏蔽单独的风险IP地址
sudo ufw insert 1 deny from 94.154.33.153 to any
sudo ufw insert 1 deny from 185.220.101.29 to any
sudo ufw insert 1 deny from 138.197.191.87 to any
sudo ufw insert 1 deny from 152.42.217.201 to any
sudo ufw insert 1 deny from 149.88.106.138 to any
sudo ufw insert 1 deny from 179.43.191.19 to any
sudo ufw insert 1 deny from 146.190.111.4 to any
sudo ufw insert 1 deny from 185.220.101.190 to any
sudo ufw insert 1 deny from 192.42.116.178 to any
屏蔽IP范围
包含一些垃圾IDC疯狂扫描的情况
sudo ufw insert 1 deny from 20.171.206.0/24 to any
sudo ufw insert 1 deny from 52.230.152.0/24 to any
sudo ufw insert 1 deny from 52.233.106.0/24 to any
sudo ufw insert 1 deny from 152.32.128.0/17 to any
sudo ufw insert 1 deny from 103.218.243.0/24 to any
酌情考虑（华数传媒）
sudo ufw insert 1 deny from 219.82.2.10 to any
sudo ufw insert 1 deny from 113.215.188.0/23 to any
重新加载UFW生效
sudo ufw reload
清空所有屏蔽
curl -sS -O https://raw.githubusercontent.com/woniu336/open_shell/main/clear_ufw_rules.sh && chmod +x clear_ufw_rules.sh && ./clear_ufw_rules.sh