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Old 05-31-2011, 09:05 PM   #1
hans_bug
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Registered: May 2011
Posts: 9

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Unhappy ftp download errors with squid proxy (centos)


hello...
i have encountered my first issue with using squid proxy, i cannot download files from FTP servers.
please help..thanks much!

the error looks like this:
use PORT of PASV

and the other is:
* Read Error

The system returned:

(104) Connection reset by peer

An error condition occurred while reading data from the network. Please retry your request.

and the other is this:
 
Old 06-02-2011, 03:01 AM   #2
nico34
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Registered: Jan 2010
Posts: 54

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hi

did you deny port 21 on squid config file? if it is denied please allow it.
 
Old 06-05-2011, 07:16 PM   #3
aaron.psamuel
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Registered: Apr 2011
Location: NYC
Distribution: Ubuntu, RHEL, centOS
Posts: 7

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FTP is going to use a control and data port.

rainofkayos@animal ~ [3174] % getent services ftp ftp-data
ftp 21/tcp
ftp-data 20/tcp

In FTP's Passive mode the client side initiates the communication to by default port 20. In which case I believe there is a statement you add to enable passive transfers via squid which is something like 'ftp_passive on'. (http://www.squid-cache.org/Doc/config/ftp_passive/). Another thing to note which I have faced in the past is what is actually resetting the connection? Is it squid resetting this connection or could it be a NAT Firewall which this communication traverses?
 
  


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