General Question

unused_bagels's avatar

Port forwarding (linux)... troubleshooting?

Asked by unused_bagels (1742 points ) January 15th, 2009

I just installed Kubuntu 8 on my windows machine. I’m using Ktorrent.
I’m no stranger to port forwarding, and I’ve forwarded my ktorrent ports to my router AND my modem. I tried using a portforwarding website (two actually) and they both said that the ports weren’t forwarded. I spent all morning relearning Konsole (yeah, I’m a return customer) to set up my static IP with the router, and the ports still aren’t forwarded, and I’m downloading at a whopping 3Kb/s !! I’ll give you whatever Konsole outputs you want. I can’t figure out what I’m doing wrong.

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11 Answers

Grisson's avatar

Are you sure there’s no software firewall blocking the ports?
Sorry, it sounds like you’re not the kind of person who would overlook the obvious, but I had to ask.

Do you have logging from the router set up?

unused_bagels's avatar

@Grisson : I’ve been looking for and unable to find my firewall. It isn’t like there’s a big button for it omewhere, or like it keeps bugging me like Winders did. What’s the standard KDE Firewall prog called?
EDIT:
and yes, I have logging.

Grisson's avatar

You could use ps -(ef? or something) and look at the running processes. You might be able to figure out what it is. Do a Google search on the various executables you don’t recognize and see what shows up.

Also, I think netstat -a (is that right for Kubuntu?) shows detailed information on what ports are connected and listenting to what. That might help. (Though again, you’ve probably already done that sort of thing).

unused_bagels's avatar

let me clarify. I’m no stranger to home network tweaks on windows. I appreciate your generosity, but I’m lost now. I’ll try netstat -a and see what happens.

unused_bagels's avatar

http://ubuntuforums.org/showthread.php?p=6554815#post6554815
I’ve moved this here so that you guys can see my Konsole outputs. I’m not clogging up the collective with all that text.

Grisson's avatar

Wow, you have quite a lot of connected stream sockets. Does that output change significantly if you turn off ktorrent?

unused_bagels's avatar

wow, no. The only thing that changes is that 6881 disappears.

Grisson's avatar

Well, not what I was hoping, but I guess that tells you something you already knew. (ktorrent isn’t connecting)

unused_bagels's avatar

strangest thing, I left my computer alone, and now the ports are magically forwarding, even though no port forwarding site will tell me they are. Looks like my seeds in my torrent were just really slow. Kinda funny, really.

Grisson's avatar

@unused_bagels I just hate problems that fix themselves. Cause you never know when they’ll do it again!

unused_bagels's avatar

Agreed, Grisson. It’s like a creepy ghost, creeping up on you, Scoob…

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