Date: Tue, 14 Dec 2004 01:01:00 -0500 From: "R. Scott Kennan" <rskennan@gmail.com> To: "Kevin D. Kinsey, DaleCo, S.P." <kdk@daleco.biz> Cc: freebsd-newbies@freebsd.org Subject: Re: Home Network, step by step? Message-ID: <a832a7b9041213220147775eb4@mail.gmail.com> In-Reply-To: <a832a7b904121321522b86f27b@mail.gmail.com> References: <a832a7b9041212204846c889d0@mail.gmail.com> <41BDC787.40000@daleco.biz> <a832a7b904121321482bc2e155@mail.gmail.com> <a832a7b904121321522b86f27b@mail.gmail.com>
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Ugh, sorry for the typos above....
One other thing I don't understand is why I'm being told to install
the firewall in this context; are firewalls more than just an
intrusion countermeasure? Do they do any 'lifting' on a network beyond
blocking unauthorised transfers?
Thanks again.
On Tue, 14 Dec 2004 00:52:00 -0500, R. Scott Kennan <rskennan@gmail.com> wrote:
> One more thing- the ifconfig may be muddled by the fact that I've
> previously tried to get this going with seemingly unrelated
> instructions, and failed. I tried to clean up the mess I made, to get
> as close to a blank slate as possible, but I'm pretty sure I didn't
> completely do accomplish that goal.
>
>
>
>
> On Tue, 14 Dec 2004 00:48:23 -0500, R. Scott Kennan <rskennan@gmail.com> wrote:
> > I'm sorry, but in my earlier message, I neglected to fully explain my
> > setup. I can't afford $50 for a router (the holidays etc.), so I have
> > to do it the hard way, at least for now. I'm a writer, and I want to
> > be able to work on my own computer during the holidays without
> > constantly being asked by my family to use the internet.
> >
> > Ok, here's my setup: I have broadband over a surfboard modem from Cox
> > cable. I have an ethernet card (D-link) that I just picked up, and a
> > crossover cable that connects the two computers via this card, to
> > another, identical one on the linux box. I've had this working using
> > Win XP (very easily), but I really don't want to go back if I can
> > avoid it.
> >
> > Here's the results of ifconfig (I can't make heads or tails of it-
> > which one is my incoming internet connection? ):
> >
> > fwe0: flags=108802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
> > options=8<VLAN_MTU>
> > ether 02:e0:18:11:a5:2b
> > ch 1 dma -1
> > bfe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> > options=8<VLAN_MTU>
> > inet6 fe80::2e0:18ff:fef9:96e9%bfe0 prefixlen 64 scopeid 0x2
> > inet 68.230.154.245 netmask 0xfffffe00 broadcast 68.230.155.255
> > ether 00:e0:18:f9:96:e9
> > media: Ethernet autoselect (100baseTX <full-duplex>)
> > status: active
> > rl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
> > options=8<VLAN_MTU>
> > ether 00:11:95:1d:43:fd
> > media: Ethernet autoselect (10baseT/UTP)
> > status: no carrier
> > plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> > inet 127.0.0.1 netmask 0xff000000
> > inet6 ::1 prefixlen 128
> > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5
> >
> > Anyway, thank you all very much, I really appreciate the help.
> >
> >
> >
> >
> > On Mon, 13 Dec 2004 10:47:03 -0600, Kevin D. Kinsey, DaleCo, S.P.
> > <kdk@daleco.biz> wrote:
> > > R. Scott Kennan wrote:
> > >
> > > >Hey everyone, this is my first post. I'm a freebsd Newbie who really
> > > >doesn't know much at all yet, so please excuse my probably lame
> > > >question.
> > > >
> > > >
> > > >
> > >
> > > Welcome! No question is dumb, per se; it is worse to not ask
> > > and remain ignorant, IMHO. The quid pro quo is that it is
> > > more appropriate to ask the list on freebsd-questions; I would
> > > guess however that you couldn't have known that without reading
> > > the list charters, which seems like a bother (but may prove
> > > interesting to you later on). It does beg the question, "what's
> > > the newb list for", ;-) but that's not relevant to this post.
> > >
> > > At any rate, the question....
> > >
> > >
> > >
> > > >At any rate, I need to network two computers- my BSD box, and one
> > > >running Mandrake Linux 9.2 (for now). I also need to share my
> > > >internet connection. Actually the internet connection sharing is more
> > > >important. What steps do I need to take? All the pages I've brought up
> > > >seem to assume some prior knowledge of both networking and/or Unix (I
> > > >have absoultely none), and I apparently don't even know enough to
> > > >recognise the information in the FreeBSD handbook. I installed FreeBSD
> > > >to learn, but I'm totally lost in this matter.
> > > >
> > > >If anyone can help me, or tell me to RTFM (as long as you point out
> > > >the manual) I'd appreciate it. Once again, Sorry for the dumb
> > > >question. Thanks.
> > > >
> > > >-R. Scott Kennan
> > > >
> > >
> > > Darren K. & others have been pointing you in the right general
> > > direction. Using an internet facing **router** instead of a switch
> > > would get you up and going with a relatively small investment of
> > > cash and even less of RTFM. To do it with no/less cash, (but a
> > > counterbalancing investment in time/knowledge gained) you'll need
> > > to use one of the computers you already have and NAT. If you
> > > use a broadband Inet connection, you'll need to run natd(8)
> > > and have a working knowledge of kernel building or kldloading
> > > along with familiarity with ipfw(8); if you have a PPP or PPPOE
> > > type connection, you may be able to run your ppp with the -nat
> > > option, as I do at home (dialup; too many feet out of town here
> > > in the sticks....)
> > >
> > > As for routers, I have used the LinkSys BEFSR41 and the D-Link
> > > DI-604* for this purpose in SOHO environments with {relatively}
> > > few problems. Once I learned enough about FreeBSD, I began
> > > to switch out these small devices for old computers (of which I
> > > have a plethora), in order to have more fine-grained control of
> > > things (particularly firewalling and offering more services to the
> > > LAN machines).
> > >
> > > To learn the basics of NAT (Network Address Translation), you
> > > should read the Handbook subchapter on "Network Address
> > > Translation" in the "Advanced Networking Chapter" (which in
> > > my current doc build is section .8 of chapter 24 [24.8]. I think
> > > my copy is relatively up to date ... if your doc build [assuming
> > > you have one] is older, the numbering system may vary slightly.
> > >
> > > To learn the specifics, there is a section called "RUNNING NATD"
> > > in the natd(8) manual page; it covers the necessary information
> > > for enabling natd in the kernel, adding rules to ipfw(8), and so
> > > on.
> > >
> > > Good luck, and welcome to FreeBSD!
> > >
> > > Kevin Kinsey
> > >
> > > *Heck, buy pizza for the family and I'll send ya the Dlink.... :-D
> > >
> >
>
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