I am running redhat 7.3 with kernel 2.4.20, and iptables 1.2.8
I have downloaded Guarddog 2.1.0 (that latest version with a RH7.3 Binary RPM), and am trying to get it up and running.
However, when I apply firewall rules it has a fit over trying to update ip_tables, and in fact, if I do an
I get the following error
/lib/modules/2.3.20-20.7/kernel/net/ipv4/netfilter/ip_tables.o: init_module: Device or resource busy
Hint: insmod errors can be caused by incorrect module parameters, including invalid IO or IRQ parameters.
You may find more information is syslog or the output from dmesg
I've checked dmesg, and the output there all seems sane.
Any thoughts on what is going on here?