cat /etc/gentoo-release
    Gentoo Base System release 1.12.13

    iptables -A drop-invalid -i venet0 -p tcp -m multiport --dports 100:150 -j DROP
    FATAL: Could not load /lib/modules/2.6.18-128.2.1.el5.028stab064.8/modules.dep: No such file or directory
    FATAL: Could not load /lib/modules/2.6.18-128.2.1.el5.028stab064.8/modules.dep: No such file or directory

    mkdir -p /lib/modules/2.6.18-128.2.1.el5.028stab064.8
    depmod -a

iptables -A drop-invalid -i venet0 -p tcp -m multiport --dports 100:150 -j DROP