On Wed, Apr 24, 2002 at 04:12:12PM +0200, Sigmund Vegheim wrote:

> But this is a security risk. The statefullness of the firewall isn't good
> enough for business use, I would say. 

Yes. True. Don't use it in a business environment.

> Is this because of iptables or netfilter?

Because of iptables. Don't use that. Use, instead, netfilter.

> This is a rather important issue and the documentation on this is poor.

Again true. www.netfilter.org does not have good docs, neither
http://people.unix-fu.org/andreasson/iptables-tutorial/iptables-tutorial.html
and tons of other sites.

> It seems that iptables way of implementing statefull inspection only is a
> matter of speed?

Yes, speed. ipchains is much better, is slower and does not have
statefullness. Exactly what a business environment requires.



> 
> -----Original Message-----
> From: Sneppe Filip [mailto:[EMAIL PROTECTED]]
> Sent: 24. april 2002 14:50
> To: Sigmund Vegheim; [EMAIL PROTECTED]
> Subject: RE: Statefull inspection
> 
> 
> 
> Sigmund,
> 
> Correct. Stuff doesn't just get dropped from the connection tracking,
> not even after a script reloads the rules. So you have to be careful
> with stuff that is still in /proc/net/ip_conntrack.
> 
> Regards,
> Filip

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