KTorrent refuses to work

Immediately after starting a torrent in KTorrent it’s status turns to stalled. Even on verified good torrents (I’ve tried numerous linux iso downloads for different distros just as an example, and all immediately stall). I know it’s not an issue of the ISP playing dirty, as all torrents work perfectly fine in Windows XP and Windows 7 under uTorrent. I have it set to accept unencrypted connections if it matters.

I do believe it’s an issue with my new modem (2wire 3800HGV-B), as KTorrent was jolly with my older one before it died (Motorola 2210). I’ve already added exceptions in it’s firewall for TCP port 33713, and UDP port 4444 (which KTorrent is set to) to no avail.

Edit: I should be more specific - it outright can’t connect to any tracker.
Tue Sep 22 22:28:16 2009: Doing tracker request to url (via KIO): http://tracker.opensuse.org:6969/announce?peer_id=-KT3230-ck2eVkfEKO2y&port=33713&uploaded=0&downloaded=2949120&left=4555261952&compact=1&numwant=0&key=1062011022&info_hash=�r�!}�<�"3� �f�
Tue Sep 22 22:28:16 2009: Stalled for too long, time to get some fresh blood

It sounds like you know what you are doing.
A Quick Bittorrent Guide (with screenshots) - openSUSE Forums

You have opened the ports in the SUSE firewall?
Manually forwarded the ports in the router (Rather than use upnp)?

Could you verify that it is the firewall and turn it off for one session and see if the torrent situation is fixed?

have you disabled IPv6?


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