This article applies to:

• WebMarshal
• Internet Explorer 

Symptoms:

• Attempting to connect to a FTP server that requires credentials, using Internet Explorer
• WebMarshal returns an error message: Authentication Required. User "anonymous" cannot log on to FTP server. 530 User anonymous cannot log in.

Causes:

• When using a HTTP proxy to access a FTP site that require login, Internet Explorer does not prompt for login credentials when anonymous access fails. This is a behavior of Internet Explorer, and is not specific to WebMarshal.

Resolution:

To resolve this issue, you can do one of the following:

• Include login credentials in the URL in the following format: ftp://username:password@ftp.address.com/.
• Use another browser, such as Firefox or Chrome, that correctly presents the credential request when required.

Notes:

• Ensure you are using the latest version of WebMarshal. Versions 6.1.2 and below may not pass FTP authentication correctly regardless of the browser used.