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Created November 13, 2017 16:00
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  1. Geeklien revised this gist Feb 27, 2015. 1 changed file with 30 additions and 7 deletions.
    37 changes: 30 additions & 7 deletions file
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    Original file line number Diff line number Diff line change
    @@ -1,21 +1,44 @@
    # 新建一个无密码，无法登陆，没home的系统用户，就叫shadowsocks
    adduser --system --disabled-password --disabled-login --no-create-home shadowsocks

    # 修改 /etc/default/shadowsocks-libev
    USER=shadowsocks
    GROUP=nogroup

    # 使用setcap，允许非root用户无法监听低位端口
    apt-get install libcap2-bin
    setcap 'cap_net_bind_service=+ep' /usr/bin/ss-server


    iptables -N SHADOWSOCKS
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 0.0.0.0/8 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 10.0.0.0/8 -j REJECT
    # 转发squid
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 127.0.0.0/8 -p tcp --dport 3128 -j ACCEPT


    # 转发80流量到squid
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 127.0.0.0/8 -p tcp --dport 3128 -j ACCEPT
    # Disable localhost
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 127.0.0.0/8 -j REJECT
    # Disable Private Network
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 0.0.0.0/8 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 10.0.0.0/8 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 169.254.0.0/16 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 172.16.0.0/12 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 192.168.0.0/16 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 224.0.0.0/4 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 240.0.0.0/4 -j REJECT

    # 开放对DNS、HTTP、HTTPS的访问，DNS有TCP和UDP两种哦！
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p udp --dport 53 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --dport 53 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --dport 80 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --dport 443 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --sport [SS监听端口] -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p udp --sport [SS监听端口] -j ACCEPT

    # 下面这条，将允许SS对客户端请求的回访。
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -m state --state ESTABLISHED,RELATED -j ACCEPT

    # 下面两条，将不允许其他目标端口的访问
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp -j REJECT --reject-with tcp-reset
    iptables -A OUTPUT -j SHADOWSOCKS
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p udp -j REJECT

    # 最后，把SHADOWSOCKS这个Chain，打到OUTPUT上去
    iptables -A OUTPUT -j SHADOWSOCKS

  2. Geeklien renamed this gist Jan 26, 2015. 1 changed file with 0 additions and 0 deletions.
    0 啊啊 → file
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    File renamed without changes.
  3. Geeklien created this gist Jan 26, 2015.
    21 changes: 21 additions & 0 deletions 啊啊
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    @@ -0,0 +1,21 @@

    iptables -N SHADOWSOCKS
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 0.0.0.0/8 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 10.0.0.0/8 -j REJECT
    # 转发squid
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 127.0.0.0/8 -p tcp --dport 3128 -j ACCEPT

    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 127.0.0.0/8 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 169.254.0.0/16 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 172.16.0.0/12 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 192.168.0.0/16 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 224.0.0.0/4 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -d 240.0.0.0/4 -j REJECT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p udp --dport 53 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --dport 53 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --dport 80 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --dport 443 -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp --sport [SS监听端口] -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p udp --sport [SS监听端口] -j ACCEPT
    iptables -t filter -m owner --uid-owner shadowsocks -A SHADOWSOCKS -p tcp -j REJECT --reject-with tcp-reset
    iptables -A OUTPUT -j SHADOWSOCKS