SecureBlackbox Knowledge Base

Recent filetp Articles


The ASCIIMode property doesn't seem to work. What's wrong?

Text mode is supported by the SFTP protocol in versions 4 and later. To ensure that the connection is established using SFTP 4 or later, you need to enable SFTP …

Why doesn't SSL/TLS (HTTPS, FTPS etc) client connect to the server with default settings?

Short answer First of all, newer versions of servers expect the client to have enabled either new (TLS 1.1, TLS 1.2) or old (SSL 3) versions of the protocol, but…

Why is the year reported incorrectly in directory listings?

The FTPS protocol doesn't have a standard format for directory listings (see the exception below). Many modern FTP systems use the so-called Unix listing format …

The ListDirectory or GetFileList methods return 0 elements, though the file download was successful. What's wrong?

What to do when the ListDirectory or GetFileList methods return 0 elements, though the file download is successful.

How do I validate the server key in the OnKeyValidate event?

Here's the simple scenario. Of course, you can extend and change it if necessary. On the first connection to a certain host, the application shows the server key…

Why doesn't passive mode work in TElSimpleFTPSServer?

Passive mode means that the server opens a secondary socket on the port of its choice and passes the address and port to the client. When the server is behind th…

Simple commands are executed correctly, but listing or file transfer doesn't work. What should I do?

Simple commands are executed correctly, but listing or file transfer doesn't work. What to do: