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  #1  
Old 23rd April 2009, 12:06 AM
SpectrumDT Offline
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Port forwarding not working

Hello.

I am running Fedora Core 10 and KDE 4.2.1.

My KTorrent is having trouble finding online peers lately. I suspect this is a port forwarding issue.

I have set up my router to forward port 4444 (UDP) and port 56000 and more (TCP) to my machine's IP address. I have also set my local firewall (system-config-firewall) to allow these ports through.

But when I try to test ports 4444 and 56000 via this Open Port Check Tool, it tells me they are closed.

Can anyone suggest what might be wrong?

Thanks in advance.
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  #2  
Old 23rd April 2009, 08:22 AM
knesenko Offline
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I have port forwarding in my router and it works perfect.I have tested Open Port Check Tool and it doesn't work so good:
Code:
Port 110 is closed on 84.110.XXX.XXX
Port 80 is closed on 84.110.XXX.XXX
Seams that my port 110 and 80 closed,but it works for me I think that there is some bug in this tool or something else
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  #3  
Old 23rd April 2009, 08:35 PM
SpectrumDT Offline
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All right, thanks for the advice. Maybe it is a KTorrent issue after all.

EDIT: You're right. I tried to make Deluge use these ports that are allegedly closed, and it downloads fine. It must be a KTorrent problem.

Last edited by SpectrumDT; 23rd April 2009 at 08:40 PM.
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  #4  
Old 24th April 2009, 01:47 AM
sideways Offline
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In ktorrent you may be getting swamped by "bad" peers.

Start a download and click on the Peers button at the bottom, order by ip address and see if there are lots of ips in a consecutive range, if so click the IP Filter icon at the top and add a filter for those ips eg 64.125.152.*. Then stop and restart the download. Repeat until all suspicious ip ranges are gone.
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  #5  
Old 24th April 2009, 10:27 AM
SpectrumDT Offline
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Quote:
Originally Posted by sideways View Post
In ktorrent you may be getting swamped by "bad" peers.

Start a download and click on the Peers button at the bottom, order by ip address and see if there are lots of ips in a consecutive range, if so click the IP Filter icon at the top and add a filter for those ips eg 64.125.152.*. Then stop and restart the download. Repeat until all suspicious ip ranges are gone.
Thanks for the suggestion. But alas, no. My problem is not that KTorrent finds bad peers. My problem is that KTorrent finds no online peers at all. Clicking the "Peers" tab just brings up an empty list.
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  #6  
Old 24th April 2009, 02:13 PM
stevea Offline
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Why port 4444 & 56000 - those aren't the conventional torrent ports.
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  #7  
Old 24th April 2009, 04:52 PM
SpectrumDT Offline
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Quote:
Originally Posted by stevea View Post
Why port 4444 & 56000 - those aren't the conventional torrent ports.
4444 is the default UDP port in KTorrent, I think. 56000 is randomly chosen. I have also tried more conventional ports like 6889, with the same results. Some sources recommended that I switch to some higher ports because, allegedly, some ISPs like to block the default torrent ports.
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