(In reply to ValdikSS from comment #16) > FTP is still widely used In Firefox, [insecure](https://lists.w3.org/Archives/Public/public-webappsec/2019Apr/0012.html) ftp:// almost unused. This is a web browser. Please use sftp or [ftps](https://bugzilla.mozilla.org/show_bug.cgi?id=1593595#c2) e.g. with FileZilla for edge cases outside of the web. If you see a public ftp server, please ask its operator to offer [https](https://nginx.org/en/docs/http/ngx_http_autoindex_module.html) (and maybe ftps). They need to offer it anyway for other browsers. > You can download and upload whole folders With Firefox only via HTTP(S).
Bug 1574475 Comment 17 Edit History
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(In reply to ValdikSS from comment #16) > FTP is still widely used In Firefox, [insecure](https://lists.w3.org/Archives/Public/public-webappsec/2019Apr/0012.html) ftp:// is almost unused. This is a web browser. Please use sftp or [ftps](https://bugzilla.mozilla.org/show_bug.cgi?id=1593595#c2) e.g. with FileZilla for edge cases outside of the web. If you see a public ftp server, please ask its operator to offer [https](https://nginx.org/en/docs/http/ngx_http_autoindex_module.html) (and maybe ftps). They need to offer it anyway for other browsers. > You can download and upload whole folders With Firefox only via HTTP(S).