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From: kevinpublic on 14 Feb 2006 10:12
I'll preface this by saying that, although I can build computers and
program them, I can't NETWORK them. I'm learning. Here's my current
setup:

cable broadband internet (coax to) D-Link cable modem (CAT-5 to)
Linksys WRT54G (CAT-5 to) parents' PC and (wireless to) daughters' PC

I want more control over my daughter's computer (monitor websites, AIM
discussions) as well as share resources (printer, drive space). I also
want to do some home development of web applications. Therefore, I'm
building a small file/web server. I would like to do the following:

cable broadband internet (coax to) D-Link cable modem (USB to) file
server (CAT-5 to) Linksys WRT54G (CAT-5 to) parents' PC and (wireless
to) daughters' PC

Is this possible? If so, what do I have to do to the WRT54G in order
to make it a basic access point? Any help would be greatly
appreciated. Thanks!

From: Duane Arnold on 14 Feb 2006 11:27
kevinpublic(a)excite.com wrote:
> I'll preface this by saying that, although I can build computers and
> program them, I can't NETWORK them. I'm learning. Here's my current
> setup:
>
> cable broadband internet (coax to) D-Link cable modem (CAT-5 to)
> Linksys WRT54G (CAT-5 to) parents' PC and (wireless to) daughters' PC
>
> I want more control over my daughter's computer (monitor websites, AIM
> discussions) as well as share resources (printer, drive space). I also
> want to do some home development of web applications. Therefore, I'm
> building a small file/web server. I would like to do the following:
>
> cable broadband internet (coax to) D-Link cable modem (USB to) file
> server (CAT-5 to) Linksys WRT54G (CAT-5 to) parents' PC and (wireless
> to) daughters' PC
>
> Is this possible? If so, what do I have to do to the WRT54G in order
> to make it a basic access point? Any help would be greatly
> appreciated. Thanks!
>

If you just want to make it a wire/wireless AP switch and not a router,
then you disable the DHCP server on the router and it becomes a switch
and not a router likes what's being explained in the link.

http://www.homenethelp.com/web/explain/about-hubs-and-switches.asp

I would suggest you get yourself a cable modem that uses the RJ45
connection type and replace the USB modem and plug the modem unto the
router and let the router do it's of being a FW/router with and the
gateway device for the LAN/WAN wire or wirelessly, use Wallwatcher
(free) to monitor traffic to from the network, and use all the features
the router has to offer in router mode that you talk about above.

http://www.homenethelp.com/web/explain/about-NAT.asp
http://www.firewall-software.com/firewall_faqs/what_does_firewall_do.html

Duane :)
From: kevinpublic on 14 Feb 2006 12:20
Well, the cable modem uses either RJ-45 or USB to connect to a
computer. I was going to use the USB just so it would plug into the
back of the server and not take up lan adapter card. What I want to do
looks a lot like the second picture of the /web/explain/about-NAT.asp
page you have a link to.

If I plugged the modem into the router (the way it is now), then
doesn't that mean the server winds up sharing the internet connection
along with the workstations? It wouldn't have any control over the
internet connection, would it?

See what I mean... I'm a newbie.

From: Duane Arnold on 14 Feb 2006 16:36
kevinpublic(a)excite.com wrote:
> Well, the cable modem uses either RJ-45 or USB to connect to a
> computer. I was going to use the USB just so it would plug into the
> back of the server and not take up lan adapter card. What I want to do
> looks a lot like the second picture of the /web/explain/about-NAT.asp
> page you have a link to.
>
> If I plugged the modem into the router (the way it is now), then
> doesn't that mean the server winds up sharing the internet connection
> along with the workstations? It wouldn't have any control over the
> internet connection, would it?
>
> See what I mean... I'm a newbie.
>

From what I understand, the 54g is a packet filtering FW/router that
can stop inbound or outbound traffic from WAN IP(s) to LAN IP(s) or
between LAN IP(s) to other LAN IP(s) if you have to do it. The router
if you learn how to set FW rules and understand the device, is what you
need acting in full router mode as the gateway device for your entire
LAN setup wired and wireless and all your machines should be going
through the router. You should use Wallwatcher (free) go find it using
Google that works with the 54G router. You may have to change the
firmware on the 54g to one of the (free) 3rd party firmwares that
provides the syslog so you can review the traffic to and from the
network for dubious remote connections or check by IP just what is your
daughter accessing over the Internet and block traffic if need be and
stop her or block traffic if you determine that one of the machines on
the LAN has malware and is phoning home.

You have a router the 54G for home usage, that gives you the absolute
control over any traffic that comes to or leaves the network the
WAN/Internet or Wide Area Network traffic, which you can also control
traffic between machines on your LAN Local are Network or machines
behind the router if it came to that, along with other features that
come with the 54g. Most routers for home usage cannot provide the FW
features that the 54g can provide.

That router provides the protection and tracking based on the second
link I provided to you *What does a FW do?*. You should understand and
learn how to use your router as no one is going to do it for you to
protect your network.

Here is another link that may or may not help you.

http://netsecurity.about.com/cs/wireless/a/aa112203_2.htm

The buck stops at the O/S(s) as someone could hack the wireless and be
all over the top of the machines on the LAN so you should try to protect
the machines by hardening the O/S to attack as much as possible if you
have one that you can configure.

http://labmice.techtarget.com/articles/winxpsecuritychecklist.htm

Duane :)





From: Rico on 14 Feb 2006 16:42
In article <1139937607.333766.228190(a)g44g2000cwa.googlegroups.com>, kevinpublic(a)excite.com wrote:
>Well, the cable modem uses either RJ-45 or USB to connect to a
>computer. I was going to use the USB just so it would plug into the
>back of the server and not take up lan adapter card. What I want to do
>looks a lot like the second picture of the /web/explain/about-NAT.asp
>page you have a link to.
>
>If I plugged the modem into the router (the way it is now), then
>doesn't that mean the server winds up sharing the internet connection
>along with the workstations? It wouldn't have any control over the
>internet connection, would it?
>
>See what I mean... I'm a newbie.
>

What OS is intended for the Server?

fundamentalism, fundamentally wrong.
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