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因为只安装 netfilter-persistent 没用,必须要另外安装 iptables-persistent。 而安装 iptables-persistent 时会自动安装 netfilter-persistent 。
netfilter-persistent
iptables-persistent
所以如果你想用 netfilter-persistent 命令,则运行以下命令安装即可:
sudo apt install iptables-persistent
The text was updated successfully, but these errors were encountered:
sudo apt install iptables-persistent sudo netfilter-persistent save
此时规则会被保存到 /etc/iptables/rules.v4 中,重启后会自动加载。
/etc/iptables/rules.v4
# 保存 iptables 规则 sudo iptables-save > /etc/iptables/rules # 读取规则并写入 iptables sudo iptables-restore < /etc/iptables/rule
手动操作比较麻烦,这里可以利用 /etc/network/interfaces 配置文件,实现网卡加载后自动载入 iptables 配置:编辑 /etc/network/interfaces,最最后添加一些内容:
/etc/network/interfaces
pre-up iptables-restore < /etc/iptables/rules.v4
但是 ubuntu 20 利用 /etc/network/interfaces 的方法已经玩不转了,所以这个方法并不推荐使用。
开个玩笑,哈哈哈,自己写一套脚本,其实最终就是 netfilter-persistent,直接用方案 1 吧。
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为什么 netfilter-persistent 不生效?
因为只安装
netfilter-persistent
没用,必须要另外安装iptables-persistent
。而安装
iptables-persistent
时会自动安装netfilter-persistent
。所以如果你想用
netfilter-persistent
命令,则运行以下命令安装即可:The text was updated successfully, but these errors were encountered: