https://dsduyopg-github-io.pages.dev/tags/dns/Recent content in DNS on My_blogHugozh-cnSun, 01 Nov 2026 00:00:00 +0000https://dsduyopg-github-io.pages.dev/%E4%B8%93%E6%A0%8F/linux%E5%AD%A6%E4%B9%A0%E4%B8%93%E6%A0%8F/centos9-ftp-dns-tomcat-lab/Sun, 01 Nov 2026 00:00:00 +0000https://dsduyopg-github-io.pages.dev/%E4%B8%93%E6%A0%8F/linux%E5%AD%A6%E4%B9%A0%E4%B8%93%E6%A0%8F/centos9-ftp-dns-tomcat-lab/记录 FTP 写入、BIND DNS 解析、firewalld 与 Tomcat 404 的完整排查过程。