This was happening to me also, with Debian Linux x64 (Lenny). I don't think the high CPU was a deluge problem however. I think the cpu problem was caused by a bug in libtorrent-rasterbar. A few weeks ago, I updated my libtorrent-rasterbar to the current version (0.15.1). Deluge (1.3.0RC1) has been r...

I have a workaround which will solve this problem on Linux, using ip6tables. If I run deluge as a specific user, say uid 5003, and define my incoming port-range as 12021-12029. ip6tables -A INPUT -p tcp -m multiport --dports 12021:12029 -j DROP -m comment --comment "Torrents TCPv6" ip6tabl...

Now that I've been able to register a forum account, I'm creating this thread to discuss my trac ticket, requesting an IPv6 preference setting. JX77 ------------ ref: http://dev.deluge-torrent.org/ticket/1286 Deluge should have an option in it's Network Preferences, to disable or enable IPv6 by defa...