[Techtalk] Do ipchains commands work in 2.4?

[Val Henson]

On Mon, Jul 15, 2002 at 07:56:29PM +0200, Sonja Krause-Harder wrote:
> On Mon, Jul 15, 2002 at 09:06:35AM -0700, jennyw wrote:
> > I'm going to migrate to kernel 2.4 (currently using 2.2).  I'd like to use 
> > iptables soon, but in the meantime, I was wondering if my current ipchains 
> > script would work with the new kernel.
> 
> skh at tick:/usr/src/linux/Documentation> grep -A9 CHAIN Configure.help 
> CONFIG_IP_NF_COMPAT_IPCHAINS
>   This option places ipchains (with masquerading and redirection
>   support) back into the kernel, using the new netfilter
>   infrastructure.  It is not recommended for new installations (see
>   `Packet filtering').  With this enabled, you should be able to use
>   the ipchains tool exactly as in 2.2 kernels.
> 
>   If you want to compile it as a module, say M here and read
>   Documentation/modules.txt.  If unsure, say `N'.
> 
> This basically means: it is possible to compile a 2.4.x kernel in a way
> that won't break current ipchains setups. If this is the case with your
> kernel, I don't know.
> 
> If you compile the kernel yourself, just make sure to set this option
> to "Y".

What Sonja said.  The only other thing that I remember about switching
between 2.2 and 2.4 is that cdrecord needed to be updated.

-VAL