Damnit, I miskeyed.

I'll have what I intended to send up here in a minute....

Stan



> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 13, 2002 4:10 AM
> To: [EMAIL PROTECTED]
> Subject: RE: [hlds_linux] OT: Routing securely
>
>
> I think Florian is direct to list.  I don't think he uses
> Ken's newsgroup
> server.
>
> Anyhow, do NAT'ing seems like your best bet.  One major advantage to
> implementing this just once, is that each time you switch
> ISPs, and thus
> your addresses change, it is MUCH eaiser to migrate.
>
> There are quite a few different implementations of NAT, as
> others pointed
> out.  If you're not into editing .conf files with VI in order
> to firewall,
> I'd suggest SmoothWall.  It'll probably do everything you
> need, including
> 1-to-1 external to internal NAT mappings, and it also has DMZ
> functionality,
> if you so desire to use that for your game servers.
>
> http://www.smoothwall.org
>
> I think what has you stumbling is how to setup 1-to-1 NAT
> mappings from
> external NIC ip addresses to the internal private IP
> addresses.  I've not
> done it manually with Linux, but many popular Linux based and
> win32 based
> firewall products are capable of this.  SmoothWall is one.
> Hell, I think
> you can even do this with W2K's NAT.
>
> In essence, you bind all of your public IPs that the ISP has
> given you to
> your public NIC.  Thus, it will accept any traffic thrown at
> it from the
> world.  You then create 1-to-1 NAT mappings from the public IPs to the
> private IPs of your game servers:
>
> 207.151.100.194
> 207.151.100.194
> 207.151.100.194
> 207.151.100.194
>
> > -----Original Message-----
> > From: Khyron [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, August 13, 2002 3:59 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [hlds_linux] OT: Routing securely
> >
> >
> > Hrm - Florians msg didn't show up in my mail - newsgroup only?
> >
> > Originally I had my linux box doing my routing/firewall -
> > because my ISP
> > gave me a proper 8 ip subnet (so first and last broadcast)
> > and then gave me
> > a single static for the external firewall nic. They also made
> > a routing
> > entry on their equipment that routed that 8 ip subnet to the single
> > non-subnetted ip. Thus I had the static on the outside, 1 of
> > the subnet ips
> > on the internal interface, then the other statics on the
> > internal machines,
> > using the internal fw eth as gateway. Set ipforwarding on,
> > and its done.
> >
> > The new ISP is doing it the old way, they don't issue
> > subnets, just random
> > single statics. My set includes x.194, 195, 196, 197, 208,
> > 209. x.193 is
> > their gateway. Subnet mask is .192
> >
> > So if I have my ext eth card bound to say, 194 any requests
> > to 195, 196 etc
> > never even hit the interface because their router is arping
> > for 196 and
> > since it's internal it is never seen. And even if I get the
> ARP proxy
> > working to answer the requests, I'm stuck.
> >
> > The Nating idea doesn't seem to be able to do it
> > bi-directionally - at least
> > not that I can see. I can have the single nic answer for all
> > the IPs, but
> > having it send to 10.x and then have any returning traffic
> > reconverted into
> > the proper static is not easy.
> >
> > Seriously - how do you guys firewall your stuff if you have
> > more than 1
> > static? Say you have 2 cstrike servers running on the same
> > port on different
> > machines - you can't NAT them both. You just have them live
> > outside the
> > firewall? I've been on this list for 2+ years and can't
> > recall seeing this
> > topic other than "what ports do I need to open".
> >
> > Right now my naked win2k machines and my cs server are
> > plugged right into a
> > hub which has the modem plugged as well. Works, but
> insecure as hell.
> >
> > Regards,
> >
> > Khyron
> >
> > ----- Original Message -----
> > From: <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Tuesday, August 13, 2002 2:01 AM
> > Subject: RE: [hlds_linux] OT: Routing securely
> >
> >
> > > IIRC Florian, he didn't want to have to re-compile his
> > kernel.  That must
> > be
> > > what you missed.
> > >
> > > StanTheMan
> > > TheHardwareFreak
> > > http://www.hardwarefreak.com
> > > rcon admin at:
> > > Beer for Breakfast servers        <http://bfb.bogleg.org/>
> > >    209.41.98.2:27016 (CS multi-map)   209.41.98.2:27015 (DoD)
> > >    209.41.98.2:27017 (CS militia/dust2)            Dallas, TX
> > >
> > >
> > > > -----Original Message-----
> > > > From: Florian Zschocke [mailto:[EMAIL PROTECTED]]
> > > > Sent: Tuesday, August 13, 2002 2:23 AM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: [hlds_linux] OT: Routing securely
> > > >
> > > >
> > > > Khyron wrote:
> > > > >
> > > > > Yah I could NAT with a 10.x or whatever, but avoiding NAT
> > > > is the reason I
> > > > > paid extra for the statics. I've been looking at Arp Proxy,
> > > > but any of those
> > > > > that I found on the net assumes you have a full subnet, as
> > > > opposed to my
> > > > > situation (several statics that are not all in sequence).
> > > > The only other
> > > > > thing I've found is a "bridge" but it's more of packet
> > > > > sniffer/blocker/shaper than a true firewall/gateway.
> > > >
> > > > Excuse me for asking a stupid question, but why was it that you
> > > > can't simply have the Linux box act as a routing firewall for
> > > > those 7 static IPs? I must have missed something.
> > > >
> > > > Florian.
> > > > _______________________________________________
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> > > >
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> > >
> >
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