{"provider_url":"https://hatena.blog","url":"https://www.shigemk2.com/entry/2018/02/24/How_to_ping_a_TCP_or_UDP_port","blog_title":"by shigemk2","image_url":null,"width":"100%","title":"How to ping a TCP or UDP port","height":"190","version":"1.0","author_url":"https://blog.hatena.ne.jp/shigemk2/","author_name":"shigemk2","provider_name":"Hatena Blog","blog_url":"https://www.shigemk2.com/","type":"rich","categories":["Linux"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2018%2F02%2F24%2FHow_to_ping_a_TCP_or_UDP_port\" title=\"How to ping a TCP or UDP port - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2018-02-24 16:59:00","description":"How to ping a TCP or UDP portx nmap\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3072\u3064\u3088\u3046 TCP\u3067ping watch -n 5 \"nmap -P0 -sT -p5666 somehostname.dyndns.org\" UDP\u3067ping watch -n 5 \"nmap -P0 -sU -p5666 somehostname.dyndns.org\" -sU (UDP \u30b9\u30ad\u30e3\u30f3) \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u6700\u3082\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u306e\u5927\u90e8\u5206\u306f\u3001TCP\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u304c\u3001UDP[3]\u30b5\u30fc\u30d3\u30b9\u3082\u5e83\u304f\u5c0e\u5165\u3055\u308c\u3066\u3044\u308b\u3002DNS\u3001SNMP\u3001DHCP(\u305d\u308c\u305e\u308c\u767b\u9332\u30dd\u30fc\u30c8\u306f 53\u3001161/162\u3001\u2026"}