# ftp 10.1.20.31
Connected to 10.1.20.31.
220 mcelVMhost3 FTP server (Revision 6.0 Version wuftpd-2.6.1 Fri Apr 1 07:44:09 GMT 2011) ready.
Name (10.1.20.31:root): root
331 Password required for root.
Password:
230 User root logged in.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp>
it works
Now if I even change source server like from
Code:
10.100.48.73
try to ftp to the server that is refusing to accept ftp sessions:
Code:
# ftp 10.1.20.33
Connected to 10.1.20.33.
220 mcelVMhost5 FTP server (Revision 6.0 Version wuftpd-2.6.1 Fri Apr 1 07:44:09 GMT 2011) ready.
Name (10.1.20.33:root): root
331 Password required for root.
Password:
230 User root logged in.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> bye
221-You have transferred 0 bytes in 0 files.
221-Total traffic for this session was 274 bytes in 0 transfers.
221-Thank you for using the FTP service on mcelVMhost5.
221 Goodbye.
Still looks like a firewall issue to me. Can you telnet to a few things:-
Code:
telnet 10.1.20.33 # Simple telnet
telnet 10.1.20.33 21 # FTP port
telnet 10.1.20.33 25 # SMTP, just as a test
telnet 10.1.20.33 123 # Hit the time server
telnet 10.1.20.33 99999 # Pick a port that should not respond
They should either connect or fail. Try pressing ENTER a few times. You can monitor their success from another session with netstat -na | grep 10.1.20.33 21 to see if the session is established.
Some may never connect, but you should wait at least 60 seconds before cancelling them.
What do you get?
If you are running Linux on either side, are you also using SELinux? That is know for odd errors unless you get it right, and i don't know how.
we´ve not solved yet, the network team are saying that no restrictions were imposed on traffic between those two servers, so they are alledging that may be the routing table on the destination server is wrong, but I cant spot anything wrong on it:
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