kalax https://blog.hatena.ne.jp/kalax/ 日記 https://everykalax.hateblo.jp/ 1. Reconnaissance portscan TCP $ nmap -T4 -p- --min-rate 1000 -v $IP PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 80/tcp open http 110/tcp open pop3 119/tcp open nntp 4555/tcp open rsip UDP（使用頻度上位100ポートを調査） $ nmap -sU -T4 --top-ports 100 -v $IP PORT STATE SERVICE 19/udp open|filtered chargen … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Feverykalax.hateblo.jp%2Fentry%2F2026%2F05%2F04%2F150819" title="HTB SolidState writeup - 日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2026-05-04 15:08:19 rich https://everykalax.hateblo.jp/entry/2026/05/04/150819 1.0 100%