Hi, has anybody heard about the bug in rds (reliable datagram sockets)? I read about it in Sweden and there is a solution on the way but there is a fix untill then. echo "alias net-pf-21 off" > /etc/modprobe.d/disable-rds Is it some thin you recoment a Ubuntu 8.04/Ispconfig 2 user to do? Here you can read more http://www.vsecurity.com/resources/advisory/20101019-1/