Ftp gettting disconnected Post: 302760473

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Operating Systems Linux Red Hat Ftp gettting disconnected Post 302760473 by Tommyk on Thursday 24th of January 2013 05:11:28 AM

01-24-2013

Registered User

Ftp gettting disconnected

All,

Trying to ftp to a remote ftp server.

See following output:

Code:

ftp -dv xx.xx.xx.xx
Connected to xx.xx.xx.xx (xx.xx.xx.xx).
220 Microsoft FTP Service
Name (xx.xx.xx.xx:username): ftpuser
---> USER ftpuser
331 Password required for ftpuser.
Password:
---> PASS XXXX
230 User logged in.
---> SYST
215 Windows_NT
Remote system type is Windows_NT.
ftp> passive
Passive mode off.
ftp> ls
---> PORT xx,xx,xx,xx,xx,xx
200 PORT command successful.
---> LIST
125 Data connection already open; Transfer starting.
02-20-12  09:55AM       <DIR>          113129
08-28-12  10:03AM       <DIR>          115058
09-10-12  12:53PM       <DIR>          115143
09-13-12  02:43PM       <DIR>          115265
09-24-12  06:51PM       <DIR>          115334

226 Transfer complete.
ftp> ls
---> PORT xx,xx,xx,xx,xx,xx
421 Service not available, remote server has closed connection

This is from RHEL5.8 using ftp 0.17-37.el5

Every connection is successful, there is a timeout set but does not seem to be affecting this. As soon as we connect we run an ls command which is successful and less than a second later you run the ls command again and getting the message that you have been disconnected from the server.

This happens after any/every data transfer whether it is ls/dir/put/get, you only get a single data transfer and then you are disconnected.

Using HP-UX previously there was no issue, there has been no change to the ftp server, windows desktops can connect and do not get disconnected, i am also getting the same issue with OEL5.5 servers.

This is not a network/firewall issue as all the network settings are the same for every client we use. It is not an issue with active or passive mode as both modes show the exact same symptoms. However testing ftp from the linux client we can connect to every other ftp site without issue both within and external to the firewall and do not get the same error.

Can anyone suggest why this may be happening? Could it be due to the version of ftp we are using?

Tommyk

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LEARN ABOUT SUSE

ftp_geturl

ftp::geturl(n)							    ftp client							    ftp::geturl(n)

__________________________________________________________________________________________________________________________________________________

NAME

       ftp::geturl - Uri handler for ftp urls

SYNOPSIS

       package require Tcl  8.2

       package require ftp::geturl  ?0.2.1?

       ::ftp::geturl url

_________________________________________________________________

DESCRIPTION

       This  package  provides	a command which wraps around the client side of the ftp protocol provided by package ftp to allow the retrieval of
       urls using the ftp schema.

API

       ::ftp::geturl url
	      This command can be used by the generic command ::uri::geturl (See package uri) to retrieve the contents of ftp urls. Internally	it
	      uses the commands of the package ftp to fulfill the request.

	      The contents of a ftp url are defined as follows:

	      file   The contents of the specified file itself.

	      directory
		     A	listing of the contents of the directory in key value notation where the file name is the key and its attributes the asso-
		     ciated value.

	      link   The attributes of the link, including the path it refers to.

BUGS, IDEAS, FEEDBACK
       This document, and the package it describes, will undoubtedly contain bugs and other problems.  Please report such in the category  ftp	of
       the  Tcllib  SF	Trackers [http://sourceforge.net/tracker/?group_id=12883].  Please also report any ideas for enhancements you may have for
       either package and/or documentation.

SEE ALSO

       ftpd, mime, pop3, smtp

KEYWORDS

       ftp, internet, net, rfc 959

ftp								       0.2.1							    ftp::geturl(n)

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