On Thu, Mar 14, 2002 at 04:34:19PM +0100, Simon Oosthoek wrote:
> Hi developers
> 
> I'm not on the list, but I thought this is too specific for the users list.

it's ok.

> I'm configuring a firewall on a sun ultra 5 workstation with Suse 7.3 and a
> fresh 2.4.19pre1 kernel and fresh iptables 1.2.5 compiled against that
> kernel's source.

mmh... you want to run a firewall un sparc64 linux?  interesting idea, but
I don't think this is the most stable and well-proven combination of 
(hardware, operating system, firewalling code) out there.

> It looks like there are some problems with this setup and I was wondering if
> the kernel modules are actually 64-bit enabled?

They are. 

What's causing a headache with linux sparc64 port is the kernel==64 bits,
userspace==32 bits issue.  This is especially difficul as like in our
situation, lots of data structures are passed from userspace  to kernel-
space.

> When listing the iptables using "iptables -L -x -v -n", I see a lot of Very
> Large Numbers (2^32+n???) in the standard chains for packet stats.
> 
> The reason I have doubts about the quality of the modules on 64 bit sparc is
> that the iptables command gives an invalid argument error when using the -m
> limit option. The ipt_limit module is in memory (according to lsmod).
> 
> Has anyone tried these things on linux on a 64bit sparc (or other 64bit)
> architecture? Are these problems known?

Well, the code should work (there are some special precautions just for the
sparc64 architecture), but I guess you are one of the extremely few
users of iptables on sparc64.

However, the situation is likely to improve... I've just bought a sparc64
machine in order to play with the sparc64 linux port in general 
(and improve the status of netfilter/iptables on this architecture)...

> I'd like to know if this is a bug or a configuration problem, because if
> iptables/netfilter are not stable on this platform it doesn't make sense to
> trust it with firewall duties...

As stated above, I would go for some more common setup.

> TIA
> Simon

-- 
Live long and prosper
- Harald Welte / [EMAIL PROTECTED]               http://www.gnumonks.org/
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