问HN：你是否把手机当作酒店/免费WiFi的“保护套”来为笔记本电脑上网？
虽然我们尽力锁定笔记本电脑，关闭开放端口，运行 littlesnitch 和 ufw，但直接连接到公共 Wi-Fi 总让人感到不安，担心某些零日漏洞会让局域网中的人入侵它。<p>我有时会用手机连接免费 Wi-Fi，同时将手机热点共享给我的笔记本电脑——在两者之间有一个屏障，感觉更安全，可以阻挡随机的 nmap 扫描。<p>还有其他人这样做吗？你们有什么其他的技巧吗？
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While we try our best to lock down our laptop, close open ports, run littlesnitch, ufw but it is always an unease to connect them directly to an public wifi, worrying about some 0day that allow someone in local lan to hack it.<p>What I sometimes do is to use my phone connecting to the free wifi and simultaneously hotspotting it to my laptop - It feels better to have something in between blocking random nmap scans.<p>Anyone else doing this? Is there other tricks you do?