{"author_name":"Thoames1212","blog_url":"https://thoames.hatenadiary.jp/","categories":["ufw","Ubuntu","Firewall"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fthoames.hatenadiary.jp%2Fentry%2F2018%2F03%2F30%2F001131\" title=\"\u3010ufw\u3011Ubuntu\u3067\u7c21\u5358\u306bFirewall\u3092\u8a2d\u5b9a\u3067\u304d\u308bufw\u3092\u8a66\u3059\u3002  - \u3068\u30fc\u307e\u3059\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","width":"100%","provider_url":"https://hatena.blog","image_url":null,"author_url":"https://blog.hatena.ne.jp/Thoames1212/","version":"1.0","title":"\u3010ufw\u3011Ubuntu\u3067\u7c21\u5358\u306bFirewall\u3092\u8a2d\u5b9a\u3067\u304d\u308bufw\u3092\u8a66\u3059\u3002 ","published":"2018-03-30 00:11:31","url":"https://thoames.hatenadiary.jp/entry/2018/03/30/001131","provider_name":"Hatena Blog","blog_title":"\u3068\u30fc\u307e\u3059\u30e1\u30e2","height":"190","description":"\u81ea\u5206\u7528\u30e1\u30e2\u3002\u3059\u3054\u3044\u7c21\u5358\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u3002 Digitalocean\u306eUbuntu16.04\u30a4\u30e1\u30fc\u30b8\u306b\u65e2\u306b\u5165\u3063\u3066\u3044\u305f\u306e\u3067 \u30eb\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u3066\u3001\u6709\u52b9\u5316\u3059\u308b\u3060\u3051\u3067\u4f7f\u3048\u305f\u3002 \u73fe\u5728\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d $ ufw status \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u901a\u4fe1\u30eb\u30fc\u30eb \u901a\u4fe1\u62d2\u5426\u65b9\u6cd5\u2460 $ ufw default DENY \u3068\u901a\u4fe1\u62d2\u5426\u65b9\u6cd5\u2461 $ ufw default REJECT \u304c\u3042\u308b\u304c\u3001\u5916\u90e8\u304b\u3089\u8106\u5f31\u6027\u30c6\u30b9\u30c8\u3092\u884c\u308f\u308c\u305f\u3068\u304d\u306b \u3059\u3050\u7d50\u679c\u3092\u8fd4\u3057\u3066\u3057\u307e\u3046REJECT\u306f\u3001\u3042\u307e\u308a\u3088\u308d\u3057\u304f\u306a\u3044\u306e\u3067 \u2460\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u306e\u304c\u826f\u3055\u3052\u3002 \u57fa\u672c\u306e\u901a\u4fe1\u3092\u8a31\u53ef $ ufw allow 22 $ ufw allow 80 $ ufw allow 443 \u30ed\u2026"}