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</html><thumbnail_url>https://hosteko.com/htk-blog/wp-content/uploads/2026/03/Desain-tanpa-judul252.png</thumbnail_url><thumbnail_width>1366</thumbnail_width><thumbnail_height>768</thumbnail_height><description>Dalam dunia jaringan komputer dan internet, istilah port sering muncul ketika membahas server, hosting, firewall, atau konfigurasi aplikasi. Jika Anda pernah melihat angka seperti 80, 443, atau 21 dalam pengaturan jaringan, itulah yang disebut sebagai port. Namun, apa sebenarnya port itu? Mengapa port penting dalam komunikasi data? Dan bagaimana cara mengelolanya agar aman dan optimal? [&hellip;]</description></oembed>
