Looking for logging into the Ftp_login Authentication Failed site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Ftp_login Authentication Failed site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/30751789/why-is-ftp-login-authentication-failing
http://php.net/manual/en/function.ftp-login.php
https://www.000webhost.com/forum/t/warning-ftp-login-function-ftp-login-login-authentication-failed/30292
http://forum.datemill.com/index.php?topic=3760.0
https://blaise.ca/blog/2009/06/02/fixed-php-warning-ftp_login-auth-not-understood/
https://www.webmasterworld.com/forum88/9380.htm
https://hotexamples.com/examples/-/-/ftp_login/php-ftp_login-function-examples.html
https://forum.opencart.com/viewtopic.php?t=169944
https://wordpress.org/support/topic/ftp-credentials-not-accepted-by-updraft-2/
https://www.hashbangcode.com/article/connect-ftp-server-using-php
https://helpdesk.egnyte.com/hc/en-us/articles/201637824-FTP-Login-Fails-530-Authentication-Failure
https://forum.filezilla-project.org/viewtopic.php?t=4864
https://www.simplemachines.org/community/index.php?topic=384984.0