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https://issues.apache.org/jira/browse/NET-235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rory Winston closed NET-235.
----------------------------
Resolution: Invalid
If the server is set to force data connections to be encrypted, then the client
can issue a PROT command to encrypt data connections. See the example:
public static void main(String[] args) throws IOException,
NoSuchAlgorithmException {
FTPSClient client = new FTPSClient();
client.connect("127.0.0.1");
client.execPROT("P"); // encrypt data channel
if (client.login("rory", "pass")) {
for (FTPFile file : client.listFiles()) {
System.out.println(file.getName());
}
}
else {
System.out.err(client.getReplyString());
}
}
> 522 Data connections must be encrypted.
> ---------------------------------------
>
> Key: NET-235
> URL: https://issues.apache.org/jira/browse/NET-235
> Project: Commons Net
> Issue Type: Test
> Affects Versions: 2.0
> Reporter: Roy F. Donasco
>
> 1. I tried FTPSExample.java
> 2. My parameters will try to download a file securely from an ubuntu vsftpd
> server with the following secure configuration
> ocal_enable=YES
> rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
> rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
> ssl_enable=YES
> force_local_logins_ssl=YES
> force_local_data_ssl=YES
> ssl_tlsv1=YES
> ssl_sslv2=YES
> ssl_sslv3=YES
> 3. When I run the test, i got the following message from the console
> 522 Data connections must be encrypted.
> 4. I checked the file downloaded and it's size is zero.
> 5. I tried reconfiguring the ftp server and set the parameter
> force_local_data_ssl=NO, then tried the test again. this time the download is
> successful.
> is this a bug, that when we force data connection to use SSL will always fail?
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