Firefox 61 will block subresource loads that rely on the insecure FTP protocol unless the document itself is an FTP document. For example, Firefox will block FTP subresource loads within HTTP(S) pages. The File Transfer Protocol (FTP) enables file exchange & Continue reading

The post Blocking FTP subresource loads within non-FTP documents in Firefox 61 appeared first on Mozilla Security Blog.

https://blog.mozilla.org/security/2018/05/07/blocking-ftp-subresource-loads-within-non-ftp-documents-in-firefox-61/