Mailinglist Archive: opensuse-security (520 mails)

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Re: [suse-security] TIS FWTK
  • From: jjohnson@xxxxxxxxxxxxxxxxxxxx
  • Date: Fri, 8 Dec 2000 15:10:52 -0800
  • Message-id: <20001208151052.A11662@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
And if you read the list, you will realize that I was referencing PMfirewall. Which is a frontend to ipchains.

Thanks
-miah

On Sat, Dec 09, 2000 at 12:07:25AM +0100, Oliver Hensel wrote:
> Hi.
>
> On Fri, 8 Dec 2000 jjohnson@xxxxxxxxxxxxxxxxxxxx wrote:
>
> > If you are going to take the time to use the built in firewalling code
> > in linux why would use use a frontend to the program to modify the
> > rules? Ipchains is *easy* to use.
> >
> > -miah
>
> Yes, but TIS FWTK (and its commercial successor Gauntlet) and Linux
> IPFWADM/IPCHAINS/NetFilter are fundamentally different things:
>
> FWTK provides proxy servers (nothing passes the firewall without being
> checked on layer 5/6/7), so you could filter based on content and whatnot
> (don't know if FWTK itself does that, due to availability of better proxy
> servers like dnsserver, smtpd, squid etc I didn't bother to look at it in
> depth)
>
> Linux IPFWADM/IPCHAINS/NetFilter is only a packet filter, checking on
> layer 3/4 (IP/TCP/UDP/ICMP). Add to that that the former two (under Linux
> 2.0/2.2) only have static checking available, whereas the much better
> NetFilter code with dynamic (stateful) inspection is not yet ready for
> prime time, since it's based on a developmental kernel which is not
> recommendable for something as sensitive as a firewall.
>
> Hope that clears up some (mis-)conceptions.
>
> Greetings
> olli
>
> >
> > On Fri, Dec 08, 2000 at 11:31:44AM -0500, Fred A. Miller wrote:
> > > jjohnson@xxxxxxxxxxxxxxxxxxxx wrote:
> > > >
> > > > TIS FWTK is a complete waste of time.
> > >
> > > PMFirewall is VERY easy to use, and so far as I know, works on ALL
> > > "flavors" of Linux.
> > >
> > > Fred
> > >
> > > --
> > > ----/ / _ Fred A. Miller
> > > ---/ / (_)__ __ ____ __ Systems Administrator
> > > --/ /__/ / _ \/ // /\ \/ / Cornell Univ. Press Services
> > > -/____/_/_//_/\_,_/ /_/\_\ fm@xxxxxxxxxxx
> >
> > ---------------------------------------------------------------------
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> >
> >
> >
> >
>
> --
> --------------------------------------
> Oliver Hensel <oliver.hensel@xxxxxxx>
> <ohensel@xxxxxxxxxxxxxxxxxxx>
> http://www.ohensel.de/
>
> Training + Consulting
> Unix - Linux - Firewalls - Security
> --------------------------------------
>
>
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