Ubuntu 9.10 - fish:// seems to be sending SYN Floods

Hi,
I've got a strange problem. I have a number of linux boxes - main running Gentoo, a couple of others running Mint and a new one running Kubuntu 9.10.

All, except the new one, connect to my hosted remote server through FTP, FISH or SSH without any problem.

However the new machine will connect to my remote server but then immediately disconnects itself. I have discovered, via my hosting company, that it is flooding the connection and looking in my Router log I can see:

Expand|Select|Wrap|Line Numbers

 2010.04.13 03:24:42 **SYN Flood to Host** 10.10.xxx.xxx, 38299->> 209.85.xxx.xxx, 80 (from ATM Outbound)
 

If I connect first through SSH on this machine it is fine and I can navigate through the remote filesystem. If I connect through FISH using either Konqueror or Dolphin, I get an initial file listing and then the remote firewall kicks in and blacklists my IP address for half an hour.

Does anyone have any ideas why this may be happening? Once I'm blacklisted I cannot make any connection, from any machine on my external IP address - whether it is HTTP, FTP, SSH or FISH until the remote firewall releases me. I'm stumped!!!!

Apr 13 '10 #1

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