Igor Khavkine wrote: > Hi, I'm running unstable with a custom built linux-2.4.0. I'm trying > to setup a firewall rule with iptables the following way: > > iptables -A INPUT -i ppp0 -p tcp --dport 5865 -j REJECT > > The error message I get is: > ipchains: Protocol not available > > If I chage REJECT to DROP everything works perfectly.
It sounds like your kernel wasn't configured with CONFIG_IP_NF_TARGET_REJECT set. You'll need to rebuild your kernel, and pay special attention to the "IP: Netfilter Configuration" portion of the config.
