Arfan,
I cant be authoritative about this since I have never used
iptables, but my impression was that the networking architecture of Linux
changed in the 2.4 kernels. ipchains was the 2.2 kernel solution for
firewalling and iptables is its replacement for the 2.4 kernels.
Note that this is a newbie list. Modifying a kernel is really not
newbie territory. You would probably be better served by asking questions
on the comp.os.linux.development.* newsgroups or even the linux-kernel
mailing list (Warning : this is a high traffic list).
Regards,
Kenneth
On Thu, 19 Jul 2001, Arfan Bashid wrote:
> ok, i know im gonna sound like an idiot. but the
> problem is that im a fresh grad, just started work.
> and my first assignment is to rewrite the linux
> firewall (dont ask me why, ask the boss). and like an
> idiot i just went into the kernel sources for ipchains
> and started studying them. now the problem is that im
> confused about how ipchains and iptables are related.
> can some1 plz explain (very briefly). and if there's a
> kernel guru out there could he/she tell me whether to
> rewrite chains or tables?
>
> as long as we're on the subject, could someone tell me
> wht this means:
>
> struct ip_reent reent[0];
>
> and then the kernel goes on and indexes this like a
> regular array.
>
> tx,
> a really REALLY green kernel programmer.
>
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