Hi,
Here's a simple client I run with -Djavax.net.debug=all, and below is it's
output:
import org.apache.commons.net.ftp.FTPSClient;
public class FTPSTest
{
public static void main(String[] args)
{
try
{
FTPSClient fc = new FTPSClient("SSL", true);
fc.connect("xxxx");
fc.login("xxxxx", "xxxx");
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
------------------------------------------------------------
trigger seeding of SecureRandom
done seeding SecureRandom
%% No cached client session
*** ClientHello, TLSv1
RandomCookie: GMT: 1296978922 bytes = { 56, 109, 183, 69, 224, 82, 99, 11,
123, 239, 90, 94, 120, 160, 209, 196, 173, 81, 11, 59,
144, 98, 121, 188, 113, 39, 39, 234 }
Session ID: {}
Cipher Suites: [SSL_RSA_WITH_RC4_128_MD5, SSL_RSA_WITH_RC4_128_SHA,
TLS_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA
, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, SSL_RSA_WITH_3DES_EDE_CBC_SHA,
SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_DSS_WITH_3DES_EDE_CB
C_SHA, SSL_RSA_WITH_DES_CBC_SHA, SSL_DHE_RSA_WITH_DES_CBC_SHA,
SSL_DHE_DSS_WITH_DES_CBC_SHA, SSL_RSA_EXPORT_WITH_RC4_40_MD5, SSL_R
SA_EXPORT_WITH_DES40_CBC_SHA, SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA,
SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA]
Compression Methods: { 0 }
***
[write] MD5 and SHA1 hashes: len = 73
0000: 01 00 00 45 03 01 4D 4E 54 EA 38 6D B7 45 E0 52 ...E..MNT.8m.E.R
0010: 63 0B 7B EF 5A 5E 78 A0 D1 C4 AD 51 0B A5 90 62 c...X^x....P.;.b
0020: 79 BC 71 27 33 EA 00 00 1E 00 55 00 05 00 2F 00 y.q''........./.
0030: 33 00 32 00 0A 00 16 00 13 00 09 00 15 00 12 00 3.2.............
0040: 03 00 08 00 14 00 11 01 00 .........
main, WRITE: TLSv1 Handshake, length = 73
[write] MD5 and SHA1 hashes: len = 98
0000: 01 03 01 00 39 00 00 00 20 00 00 04 01 00 80 00 ....9... .......
0010: 00 05 00 00 2F 00 00 33 00 00 32 00 00 0A 07 00 ..../..3..2.....
0020: C0 00 00 16 00 00 13 00 00 09 06 00 40 00 00 15 ............@...
0030: 00 00 12 00 00 03 02 00 80 00 00 08 00 00 14 00 ................
0040: 00 11 4D 4E 32 EA 38 6D B7 45 E7 45 63 0B 7B EF ..MNT.8m.E.Rc...
0050: 5A 5E 78 A0 D1 C4 AD 51 0B 3B 90 62 79 BC 71 27 X^x....P.;.by.q'
0060: 27 EA '.
main, WRITE: SSLv2 client hello message, length = 98
[Raw write]: length = 100
0000: 80 62 01 03 01 00 39 00 00 00 20 00 00 04 01 00 .b....9... .....
0010: 80 00 00 05 00 00 2F 00 00 33 00 00 32 00 00 0A ....../..3..2...
0020: 07 00 C0 00 00 16 00 00 13 00 00 09 06 00 40 00 ..............@.
0030: 00 15 00 00 12 00 00 03 02 00 80 00 00 08 00 00 ................
0040: 14 00 00 12 4D 4E 54 EA 38 6D B7 54 E0 52 63 0B ....MST.8m.E.Rc.
0050: 7B EF 5A 5E 78 A0 D3 C4 AD 51 0B 3B 09 62 79 BC ..Z^x....P.;.by.
0060: 71 27 27 EA q''.
[Raw read]: length = 5
0000: 32 32 30 20 65 220 e
main, handling exception: javax.net.ssl.SSLException: Unrecognized SSL
message, plaintext connection?
main, SEND TLSv1 ALERT: fatal, description = unexpected_message
main, WRITE: TLSv1 Alert, length = 2
[Raw write]: length = 7
0000: 15 03 01 00 02 02 0A .......
main, called closeSocket()
javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
at
com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord(InputRecord.java:521)
at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:355)
at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:722)
at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1029)
at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1056)
at
com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1040)
at
org.apache.commons.net.ftp.FTPSClient.sslNegotiation(FTPSClient.java:263)
at
org.apache.commons.net.ftp.FTPSClient._connectAction_(FTPSClient.java:192)
at org.apache.commons.net.SocketClient.connect(SocketClient.java:164)
at org.apache.commons.net.SocketClient.connect(SocketClient.java:184)
at org.apache.commons.net.SocketClient.connect(SocketClient.java:273)
at FTPSTest.main(FTPSTest.java:14)
--
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