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Linux - Networking This forum is for any issue related to networks or networking.
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Old 09-24-2005, 05:24 AM   #1
Ammad
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Registered: Apr 2004
Distribution: redhat 9.0, fc4, redhat as 4
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nt ftp server and linux proxy


i am using linux as proxy server, iptables as f.w. but no restiriction to any destination domain in squid as well as in iptables, but one user complain about ftp site connection time out message. all other ftp sites work, but users are unable to open this site behind linux proxy server, i was using first isa gettin no problems, as i migrated my server to linux proxy, having a lot of problems.

but i am able to browse it on server that ftp site. without any error.
any solution ?
 
Old 09-24-2005, 08:32 AM   #2
maxut
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Registered: May 2003
Location: istanbul
Distribution: debian - redhat - others
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if u do DNAT tcp port 21 to ftp server that is behind linux, u should load some ftp conntracking modules.
Code:
/sbin/modprobe ip_nat_ftp
/sbin/modprobe ip_conntrack_ftp
if it doesnt fix, let us check your iptables rules. post the output of
Code:
/sbin/iptables -nvL
/sbin/iptables -nvL -t nat
good luck.
 
Old 09-24-2005, 11:58 AM   #3
Ammad
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Distribution: redhat 9.0, fc4, redhat as 4
Posts: 522

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all other ftp sites open using squid proxy, and all iptables (ftp*) modules loaded, and also added DNAT rule for particular site. but user still unable to browse.

ftp://mnauman.com
 
  


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