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Old 06-26-2007, 01:06 PM   #1
y2kram
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vsftp server doesn't respond to NLST


Host is RHEL4, U4
vsftpd-2.0.1-5.EL4.5

When I log in and try a NLST, the system times out with a 425 error. Any ideas?

Tue Jun 26 09:32:39 2007 [pid 5763] CONNECT: Client "123.123.123.123"
Tue Jun 26 09:32:39 2007 [pid 5763] FTP response: Client "123.123.123.123", "220 "Attention - Only Authorized Users. This site is for testing purposes only!""
Tue Jun 26 09:32:48 2007 [pid 5763] FTP command: Client "123.123.123.123", "USER itl_cstgrd"
Tue Jun 26 09:32:48 2007 [pid 5763] [itl_cstgrd] FTP response: Client "123.123.123.123", "331 Please specify the password."
Tue Jun 26 09:32:51 2007 [pid 5763] [itl_cstgrd] FTP command: Client "123.123.123.123", "PASS <password>"
Tue Jun 26 09:32:51 2007 [pid 5762] [itl_cstgrd] OK LOGIN: Client "123.123.123.123"
Tue Jun 26 09:32:51 2007 [pid 5764] [itl_cstgrd] FTP response: Client "123.123.123.123", "230 Login successful."
Tue Jun 26 09:32:51 2007 [pid 5764] [itl_cstgrd] FTP command: Client "123.123.123.123", "SYST"
Tue Jun 26 09:32:51 2007 [pid 5764] [itl_cstgrd] FTP response: Client "123.123.123.123", "215 UNIX Type: L8"
Tue Jun 26 09:33:06 2007 [pid 5764] [itl_cstgrd] FTP command: Client "123.123.123.123", "NLST /tmp"
Tue Jun 26 09:33:06 2007 [pid 5764] [itl_cstgrd] FTP response: Client "123.123.123.123", "425 Use PORT or PASV first."
Tue Jun 26 09:33:13 2007 [pid 5764] [itl_cstgrd] FTP command: Client "123.123.123.123", "PASV"
Tue Jun 26 09:33:13 2007 [pid 5764] [itl_cstgrd] FTP response: Client "123.123.123.123", "227 Entering Passive Mode (172,30,200,27,225,71)"
Tue Jun 26 09:33:22 2007 [pid 5764] [itl_cstgrd] FTP command: Client "123.123.123.123", "NLST /tmp"
Tue Jun 26 09:34:22 2007 [pid 5764] [itl_cstgrd] FTP response: Client "123.123.123.123", "425 Failed to establish connection."
Tue Jun 26 09:36:51 2007 [pid 5764] [itl_cstgrd] FTP command: Client "123.123.123.123", "QUIT"
Tue Jun 26 09:36:51 2007 [pid 5764] [itl_cstgrd] FTP response: Client "123.123.123.123", "221 Goodbye."
 
Old 06-27-2007, 02:34 PM   #2
uselpa
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Registered: Oct 2004
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In passive ftp mode the client tries to establish a second connection, in this case to 172.30.200.27:57671 (57671=256*225+71). There's probably a firewall at either end that blocks this.

For more info see here.
 
  


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