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Old 10-11-2002, 01:03 PM   #1
lynden
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Registered: Oct 2002
Posts: 2

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Connection Reset by peer


I have Redhat Linux 7.1 installed on a
Dell Poweredge 2400. I aslo have WuFTPD, Apache Web Server
installed, both work fine locally on the linux box. But if I try to
ftp from a different machine ( WINDOWS 2000 PROF)
on the LAN, I get a CONNECTION RESET BY PEER message after a long waiting (3 minutes) and nothing else come out. The http also doesn't work from the Windows machine.

I also set up SAMBA on the linux box. I could even see
it in the network neighbourhood from the window
machine, but if I try to access it or map a drive for
it, it hangs for five minutes then drops me off. I
guess it relates to the same problem.

I could ping each other from both sides. I could aslo access database on the linux box from the windos machines. If I try to ftp Windows machines from the linux box, I got a
CONNECTION REFUSED message which is reasonable, since
I didn't activate the FTP service on the Windows machine.

I used an IP tool to scan the ports of the linux box
from the window machine. Ping, port 25 (SMTP),
port 1521 (Oracle) worked ok, but port 20 (ftp-data),
21(ftp), 23(telnet), 80(http) all gave me CONNECTION
RESET BY PEER messages.

I have two ethnet ports on the linux box, both seem working. I only keep one of them active.

I also tried on two different windows machines, both Widnows 2000 Pro, same problem.

I hope some gurus could help me out with this problem.
 
Old 10-11-2002, 01:58 PM   #2
stickman
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Registered: Sep 2002
Location: Nashville, TN
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It could be DNS lookups causing the problem. Do you have TCPD running in paranoid mode? Creating DNS entries for your clients or adding them to /etc/hosts might help.
 
Old 10-13-2002, 10:14 AM   #3
lynden
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Registered: Oct 2002
Posts: 2

Original Poster
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Thanks for your reply.

I suppose my tcpd runs in paranoid mode, which is by default I think.

I don't have DNS server installed on my network. But
I do have entries in /etc/hosts file on the linux box and host file on the window box. Does tcpd block oracle connection if it sees something mismatch?

I installed ftp server in windows and I could ftp windows from linux box.

Is there anyway to log incoming ftp trials on the linux box even it
rejects them with CONNECTION RESET BY PEER?

Lynden
 
  


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