What are the "dataportrangeend" and "dataportrangestart" properties in the
TFTPClient component? I searched and could not find any description. I see
them mentioned in a FAQ but no description.
What I need to do is allow the user to specify a local port number. If I
set both of the above properties to X will that fulfill the need?
As you may already know, FTP is using TWO ports: one for commands and one
for data. And for data, a FTP client act as a server : unless you select
passive mode, a FTP client accept data connection from the FTP server. This
poses a problem with multiple simultaneous FTP transfer. This is where the
port range is involved. The FTP client component will use the port range -
if specified - for accepting data connection. This is mandatory when you
have a security product which restrict input connections.
Whenever possible, it is better to use FTP passive mode in which the FTP
client remains a client for everything, that is has only outgoing
connections.
--
francois.pie...@overbyte.be
The author of the freeware multi-tier middleware MidWare
The author of the freeware Internet Component Suite (ICS)
http://www.overbyte.be
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