Unable to logon with version 4.2.2 while possible with version 3.6.0

Hello,

I was using FlashFXP version 3.6.0 (build 1240) to log on to a Java application using implicit SSL. I imported a client certificate signed by a self-signed CA and retreived a warning saying that the (server) certificate was self-signed. I just had to accept the certificate and everything was fine.

Now I updated to FlashFXP version 4.2.2 (build 1760) and when I try to log on, selecting "FTP using implicit SSL" and "SSLv3" connection types. I get an error, and the warning windows pops up and goes away almost immediately.

I get the following logs:

FlashFXP 4.2.2 (build 1760)
Support Forums http://forum.flashfxp.com
Winsock 2.2 -- OpenSSL 1.0.1a 19 Apr 2012
[R] Connecting to collfort_Local -> DNS=localhost IP=127.0.0.1 PORT=2121
[R] Connected to collfort_Local
[R] Connected. Negotiating SSL/TLS session
[R] SSL error:14094438:SSL routines:SSL3_READ_BYTES:tlsv1 alert internal error
[R] SSLv3 negotiation successful...
[R] SSLv3 encrypted session using cipher EDH-RSA-DES-CBC3-SHA (168 bits)
[R] Connection failed (Connection closed by server)
[R] Delaying for 120 seconds before reconnect attempt #1



If I used "FTP using implicit SSL" and "TLSv1" connection types, I get the following error:

[R] Connecting to collfort_Local -> DNS=localhost IP=127.0.0.1 PORT=2121
[R] Connected to collfort_Local
[R] Connected. Negotiating SSL/TLS session
[R] SSL error:14094412:SSL routines:SSL3_READ_BYTES:sslv3 alert bad certificate
[R] TLSv1 negotiation successful...
[R] TLSv1 encrypted session using cipher EDH-RSA-DES-CBC3-SHA (168 bits)
[R] Connection failed (Connection closed by server)



FYI : with version 3.6.0, I get :

WinSock 2.0 -- OpenSSL 0.9.8i 15 Sep 2008
[R] Connecting to collfort_Local -> DNS=localhost IP=127.0.0.1 PORT=2121
[R] Connected to collfort_Local
[R] Connected. Negotiating SSL session..
[R] SSL negotiation successful...
[R] SSL encrypted session using cipher EDH-RSA-DES-CBC3-SHA (168 bits)
[R] 220 Service ready for new user.
[R] PBSZ 0
[R] 200 Command PBSZ okay.



I'm running on a Windows 7 - 32bit computer.

Thanks in advance for your help!

It has come to our attention that the new release of OpenSSL introduced some compatibility issues with some FTP servers.

In addition to updating the OpenSSL dlls, we also made some additional changes in FlashFXP to handle these situations better.

These issues should be resolved in the latest version of FlashFXP.

Please upgrade to FlashFXP 4.2.3
https://oss.azurewebsites.net/download