Re: FTP Problem
From: Bill Verzal (BVerzal_at_KOMATSUNA.COM)
Date: 06/16/04
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Date: Wed, 16 Jun 2004 11:11:04 -0500 To: aix-l@Princeton.EDU
You can change inted as follows, to spawn ftpd in debugging mode:
# man ftpd
[snip]
-d Sends debugging information about ftpd daemon operations to the syslogd
daemon. If you specify the -d flag, you must edit the /etc/syslog.conf file
and
add the following entry:
daemon.debug FileName
Aside from that, change syslog.conf to capture *.debug to a separate file.
BV
--------------------------------------------------------
There are only 10 types of people in the world: Those who understand
binary, and those who don't ...
Bill Verzal
Project Leader, Komatsu America
(847) 970-3726 - direct
(847) 970-4184 - fax
"Kumar, Praveen
(cahoot)"
<Praveen.Kumar@CA To
HOOT.COM> aix-l@Princeton.EDU
Sent by: IBM AIX cc
Discussion List
<aix-l@Princeton. Subject
EDU> Re: FTP Problem
06/16/2004 10:56
AM
Please respond to
IBM AIX
Discussion List
<aix-l@Princeton.
EDU>
Bill,
Thank you very much for the response. The job in question has been
running from years, in the last 8 months it is second time I am facing this
problem. And the user stressess more on this lost connection message and
asks me to give a reason for this. When i have checked it up with the
network team, they have confirmed that there was no downtime in the network
during this time. Is there anyway I can answer the user.. i have been
trying
to know the cause of this message,but efforts in vain...
TIA
Praveen.K
-----Original Message-----
From: Bill Verzal [mailto:BVerzal@KOMATSUNA.COM]
Sent: 16 June 2004 16:32
To: aix-l@Princeton.EDU
Subject: Re: FTP Problem
The reasons for a lost FTP connection are almost as many as the different
types of clouds in the sky. It could be a network burp, a core dump, a
random bug, etc.
Here is an ftp script I use for file transfers. It actually captures the
whole ftp session, so I can see the details of the transfer. With a bit of
work, it could be converted to ssh/sftp.
BV
(See attached file: skeleton.ksh)
--------------------------------------------------------
There are only 10 types of people in the world: Those who understand
binary, and those who don't ...
Bill Verzal
Project Leader, Komatsu America
(847) 970-3726 - direct
(847) 970-4184 - fax
"Kumar, Praveen
(cahoot)"
<Praveen.Kumar@CA To
HOOT.COM> aix-l@Princeton.EDU
Sent by: IBM AIX cc
Discussion List
<aix-l@Princeton. Subject
EDU> FTP Problem
06/16/2004 10:01
AM
Please respond to
IBM AIX
Discussion List
<aix-l@Princeton.
EDU>
Hi folks,
I have peculiar problem during File transfer using FTP. I have a
job on server A, that fetches a particular file from 5 different servers
(say server 1 to server 5) and merges all these files. This job usually
takes around 30-45 minutes time, but yesterday this has taken an unusually
long time of 2.5 hours. When I have looked in to my log files I found that
the ftp connection to the server 1 was not through and hence the file
transfer from this server did not happen. I have looked in to the
/var/adm/messages file on the server 1 and found that there was message
showing lost connection from server A. I could not really understand what
could be the reason behind this.
Any one has any idea about the reason for this problem.
Also please find the entries in the /var/adm/messages on the server 1
Jun 15 03:22:17 server1 ftpd[49268]: connect from 213.62.36.193
Jun 15 03:33:05 server1 ftpd[49268]: lost connection to 213.62.36.193
[213.62.36.193]
TIA
Praveen.K
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