> i'm using FTPcli in one of my projects, and i have problem with 
> FTPs over TLS with passive mode..
> I have disconnects during the uploads: sometimes upload goes 
> through but in most cases upload stops after PASV command...
> This happens with different types of files and at least on 2 FTP 
> servers (ProFTPD  and FileZilla Server).

Are you testing against local FTP servers on a LAN, or public servers across
NAT routers and firewalls?  

95% of FTP problems that happen when the data connection opens are caused by
NAT routers or firewalls blocking the new connection.  This is worse with SSL
since the router can not modify the control channel to change the internal IP
address to an external address. 

It's unlikely to make any difference, but you can test against the ICS SSL FTP
server on ics.ftptest.org.

BTW, ICS v7 is very old and no longer maintained, you should be using v8. 

Angus


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