https://onwar.se/ 2026-10-08T12:59:04+00:00 https://onwar.se/ https://onwar.se/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-10-07T15:12:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://onwar.se/doku.php?id=fixing_the_ftp_port_21_blockage_by_isps:a_comprehensive_guide&rev=1791385938&do=diff Many FTP servers allow you to change the default port from 21 to another port (e.g., 2121 or 2021). This change can often bypass ISP restrictions. One of the simplest solutions is to configure your FTP server to listen on an alternative port. However, you will need to inform your clients of the new port number.