On 25 October 2012 23:03, Figue <ffigue@xxxxxxxxx> wrote: > I've a similar issue like you with Deluge. A post that describes what I see > in my /var/log: > https://bbs.archlinux.org/viewtopic.php?id=123807 > > |[...] > TCP: Possible SYN flooding on port 53126. Dropping request| > [...] > I don't have any messages like that on my logs. > > A workaround in this case it's disabling SYN flood protection in the kernel, > adding to /etc/sysctl.conf > net.ipv4.tcp_syncookies=0 That doesn't help. I'm starting to think this is ISP related.