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How to FTP through a SOCKS proxy |
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Please
refer to the topic SOCKS
Proxies for more information on this.
To
direct socket communications via a SOCKS proxy, the
ProxySettings of the client
must be set appropriately. An example is shown below:
ProFTPClient ftp = new ProFTPClient();
ftp.getProxySettings().setProxyAddress("myinternalproxyaddress");
ftp.getProxySettings().setProxyPort(1080);
ftp.getProxySettings().setProxyPassword("myuser");
ftp.getProxySettings().setProxyUserName("mypassword");
ftp.getProxySettings().setPublicProxyAddress("mypublicproxy");
ftp.getProxySettings().setProxyType(ProxyType.SOCKS5);
Note that the public proxy address is generally only required when using FTP in active mode.
In this situation, the PORT command must advertise the public proxy address to the FTP
server that will be connecting back to the client.
To use SOCKS4, simply use ProxyType.SOCKS4. The password is not required for SOCKS4, as
authentication is not supported in SOCKS4.