{"height":"190","title":"UDP\u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30fb\u30b9\u30c6\u30fc\u30c8\u306f\u3042\u308b\u306e\u304b\uff1f","blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01","author_url":"https://blog.hatena.ne.jp/takuya_1st/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/takuya_1st/20230703/20230703175132.png","blog_url":"https://takuya-1st.hatenablog.jp/","provider_name":"Hatena Blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2023%2F07%2F03%2F181454\" title=\"UDP\u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30fb\u30b9\u30c6\u30fc\u30c8\u306f\u3042\u308b\u306e\u304b\uff1f - \u305d\u308c\u30de\u30b0\u3067\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","author_name":"takuya_1st","url":"https://takuya-1st.hatenablog.jp/entry/2023/07/03/181454","description":"UDP \u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306f\u3042\u308b\u306e\u304b UDP\u306f\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u3068\u3001\u6559\u79d1\u66f8\u3067\u306f\u7fd2\u3046\u304c\u3002\u5b9f\u969b\u306b\u306fUDP\u306f\u30b9\u30c6\u30fc\u30c8\u304c\u3042\u308b\u3002 conntack \u3067\u898b\u3066\u3082\u308f\u304b\u308b\u306e\u3067\u3059\u304c\u3002ss \u3067\u30d1\u30b1\u30c3\u30c8\u304cESTABLISHED\u306b\u306a\u3063\u3066\u305f\u308a\u3059\u308b\u3002 \u5b9f\u9a13\u74b0\u5883 \u6700\u521d\u306b\u5b9f\u9a13\u74b0\u5883\u3092\u6574\u7406\u3057\u3066\u304a\u304f \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u4f5c\u308b\u3002 \u5b9f\u969b\u306e\u69cb\u6210\u306f\u6b21\u306e\u901a\u308a\u3002 \u6e96\u5099 lxc \u3068 netns \u3067\u5b9f\u9a13\u74b0\u5883\u3092\u4f5c\u308b\u3002 ## \u30b3\u30f3\u30c6\u30ca\u4f5c\u6210 lxc launch ubuntu:22.04 t01 lxc config set t01 security.nesting true lxc restart t01 lxc shell t01 ## ncat \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u2026","type":"rich","categories":["linux","network"],"published":"2023-07-03 18:14:54"}