Error 425 for LIST when connecting through ftps

FTP client for Android handsets.

Error 425 for LIST when connecting through ftps

Postby sdalu » Thu Apr 15, 2010 7:51 pm

When connecting to server in ftps mode, the LIST command fails with error 425. Doing the same with lftp client is successful. Doing the same with andFTP in ftp mode (instead of ftps), is also successful.

For information logs are below for andFTP and lftp, if helpful you can connect to ftp.sdalu.com in anonymous mode (login: ftp)

= andFTP =
220 ProFTPD 1.3.3 Server (ProFTPD) [::ffff:91.121.152.207]
AUTH TLS
234 AUTH TLS successful
USER sdalu
331 Password required for sdalu
PASS ****
230 User sdalu logged in
PBSZ 0
200 PBSZ successful
PROT P
200 Protection set to Private
CWD /
250 CWD command successful
SYST
215 UNIX Type: L8
PASV
227 Enterring Passive Mode (91,121,152,207,205,123)
LIST
150 Opening BINARY mode data connection for file list
425 Unable to build data connection: OPeration not permitted


= lftp =

<--- 220 ProFTPD 1.3.3 Server (ProFTPD) [::ffff:91.121.152.207]
---> AUTH TLS
<--- 234 AUTH TLS successful
---> USER sdalu
<--- 331 Password required for sdalu
---> PASS XXXX
<--- 230 User sdalu logged in
---> PWD
<--- 257 "/" is the current directory
---> PBSZ 0
<--- 200 PBSZ 0 successful
---> PROT P
<--- 200 Protection set to Private
---> PASV
<--- 227 Entering Passive Mode (91,121,152,207,218,64).
---- Connecting data socket to (91.121.152.207) port 55872
---- Data connection established
---> LIST
<--- 150 Opening BINARY mode data connection for file list
---- Got EOF on data connection
---- Closing data socket
<--- 226 Transfer complete
sdalu
 
Posts: 3
Joined: Thu Apr 15, 2010 7:47 pm

Re: Error 425 for LIST when connecting through ftps

Postby sdalu » Tue Apr 20, 2010 12:05 am

One way to work arround the problem is in proftpd:
Code: Select all
    TLSOptions                  NoSessionReuseRequired
sdalu
 
Posts: 3
Joined: Thu Apr 15, 2010 7:47 pm


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