安装相关代码：
四合一脚本
wget --no-check-certificate -O shadowsocks-all.sh https://raw.githubusercontent.com/teddysun/shadowsocks_install/master/shadowsocks-all.sh
chmod +x shadowsocks-all.sh
./shadowsocks-all.sh 2>&1 | tee shadowsocks-all.log

CentOS：
yum -y install wget
Ubuntu/Debian：
apt-get -y install wget

逗比SSR
wget -N --no-check-certificate https://raw.githubusercontent.com/ToyoDAdoubiBackup/doubi/master/ssr.sh && chmod +x ssr.sh && bash ssr.sh

apt-get update
apt-get upgrade
apt-get update -y && apt-get install curl -y
apt-get update -y && apt-get install curl -y

IpTables
wget -N --no-check-certificate https://raw.githubusercontent.com/ToyoDAdoubiBackup/doubi/master/iptables-pf.sh && chmod +x iptables-pf.sh && bash iptables-pf.sh

运行命令：
./iptables-pf.sh