Re: Red Hat 7.1 and Iptables

[Martin Peikert <news-innominate.list.nfr.firewiz () innominate de>]

Bill Asher <basher () schultz-design com> wrote:
  > I'm running RedHat 7.1, kernel 2.4.2-2.  Does anyone know how to enable
  > iptables instead of the default ipchains.
  >  
  > I am trying to set up a firewall for a small business network 2 nics,
  > eth0-internet, eth1 - LAN.  I'd like to begin using iptables,but am unsure
  > how to enable iptables.  If I run command:
  >  
  > iptables -L
  >  
  > I get:
  >  
  > /lib/modules/2.4.2-2/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
  > /lib/modules/2.4.2-2/kernel/net/ipv4/netfilter/ip_tables.o: insmod
  > /lib/modules/2.4.2-2/kernel/net/ipv4/netfilter/ip_tables.o failed
  > /lib/modules/2.4.2-2/kernel/net/ipv4/netfilter/ip_tables.o: insmod ip_tables
  > failed
  > iptables v1.2.1a: can't initialize iptables table `nat': iptables who? (do
  > you need to insmod?)
  > Perhaps iptables or your kernel needs to be upgraded.
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Did you build your own kernel? If not, it would be better to do that now 
- and don't forget to enable iptables (at least as a module).

HTH
Martin
-- 
martin.peikert () innominate com                     
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