How do I use a TIdTCPClient with a HTTP Tunneling Proxy?
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For Indy 8.0 and Indy 9.0
Both Indy 8.0 and Indy 9.0 do not support HTTP Tunneling proxies so you have to use Indy 10.
For Indy 10
|1.||Create an IOHandler such as TIdIOHandlerStack or SSL IOHandler and assign the TCPClient.IOHandler property this.|
|2.||Create a TIdCustomTransparentProxy object and assign it to the IOHandler's TransparentProxy property.|
|3.||Set the TIdCustomTransparentProxy properties as required.|
|4.||If there is another proxy that the HTTP Tunneling Proxy itself needs to use, you have to use, set the Chained Proxy to a TIdCustomTransparentProxy such as TIdSocksInfo for a SOCKS Proxy or a TIdConnectThroughHttpProxy for another HTTP Tunneling Proxy.|
For TIdFTP in Indy 10
You have to set the Passive property to true (PASV) to work with a HTTP Tunneling Proxy because standard FTP PORT transfers will not work in this configuration. You should allow the user to be able to choose between using PORT transfers (TIdFTP.Passive := False) and using PASV transfers (TIdFTP.Passive := True).