{"height":"190","published":"2022-04-24 16:45:41","categories":[],"provider_name":"Hatena Blog","blog_title":"\u624b\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fckpc.hateblo.jp%2Fentry%2F2022%2F04%2F24%2F164541\" title=\"\u30cd\u30b9\u30da\u5fa9\u7fd2\u7528 - \u624b\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://ckpc.hateblo.jp/","provider_url":"https://hatena.blog","title":"\u30cd\u30b9\u30da\u5fa9\u7fd2\u7528","description":"ICMP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067\u52d5\u4f5c\u3002\u9001\u4fe1\u30a8\u30e9\u30fc\u5831\u544a\u306a\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u901a\u77e5\u3092\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3002 \u4ee3\u8868\u7684\u306a\u30b3\u30de\u30f3\u30c9 ping \u4ee3\u8868\u7684\u306a\u30e1\u30c3\u30bb\u30fc\u30b8 Echo Reply\u6b63\u5e38\u306b\u5fdc\u7b54\u3057\u305f\u3053\u3068\u3092\u8868\u3059\u3002ping\u306e\u5fdc\u7b54\u7d50\u679c\u306e\u300cReply from\u300d\u306f\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3002 RedirectICMP\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3002\u7d4c\u8def\u306e\u5909\u66f4\u3092\u8981\u8acb\u3059\u308b\u3002 Time Exceeded\u751f\u5b58\u6642\u9593\uff08TTL\uff1aTime To Live\uff09\u3092\u8d85\u3048\u305f\uff08Exceeded\uff09\u305f\u3081\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u68c4\u3057\u305f\u3053\u3068\u3092\u901a\u77e5\u3059\u308b\u3002 syslog \u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u3092\u8ee2\u9001\u3059\u308b\u6a19\u6e96\u898f\u683c\uff08RFC5424\uff09\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3002UNIX\u7cfbOS\uff08Linux\u7b49\uff09\u3067\u30b7\u30b9\u30c6\u30e0\u95a2\u9023\u306e\u30ed\u30b0\u3092\u8a18\u9332\u3059\u308b\u3002 HTTP \u30a4\u30f3\u2026","version":"1.0","type":"rich","image_url":null,"url":"https://ckpc.hateblo.jp/entry/2022/04/24/164541","author_url":"https://blog.hatena.ne.jp/ckpc/","width":"100%","author_name":"ckpc"}