How to connect to FTP over TLS/SSL (FTPS) server in Java

The SimpleFTP class/library does not support TLS/SSL at all. Use the FTPSClient class from the Apache Commons Net library instead. See the official example for the FTPClient class and just substitute the FTPClient with the FTPSClient. The FTPSClient class defaults to an explicit TLS/SSL (recommended). In a rare case you need an implicit TLS/SSL, use new FTPSClient(true).

Simple Java HTTPS server

What I eventually used was this: To generate a keystore: See also here. Potentially storepass and keypass might be different, in which case the ks.load and kmf.init must use storepass and keypass, respectively.

SSL_read failing with SSL_ERROR_SYSCALL error

We have implemented tls using openssl. While downloading larger data from server getting SSL_ERROR_SYSCALL error after receiving the some data. For smaller files I am not getting this error, able to download without any error. ERR_get_error() is showing zero for larger files. We are using linux and c++ framework. How to find reason for the failure? What … Read more