I'd take out the Linksys, put your 18.104.22.168/24 network on the LAN
interface, your DSL/cable modem on the WAN interface, and connect your
Wi-Fi AP to the DMZ interface.
Then create a firewall rule that enables the DMZ to access the WAN. By
default, LAN will be able to access the internet and DMZ will not be
able to access the LAN.
From: Rodman Frowert [mailto:frowertr at i dash 1 dot net]
Sent: Monday, August 30, 2004 9:16 PM
To: m0n0wall at lists dot m0n0 dot ch
Subject: [m0n0wall] Setting up HotSpot
Hello. After many hours of labor, I finally got m0n0 running today. I
guess it pays to make sure you actually have a NIC chipset supported by
Anyway, I have a question or two about using m0n0 with a hotspot I am
installing in my business. I have a LAN behind my Linksys Nat
with an IP/subnet range of 192.168.1.0/24. Only 3 computers connected
the switch. What I am wanting to do is connect m0n0 right to the switch
my LAN (through m0n0 WAN device). Then I want to connect my wireless AP
the m0n0 box. The problem is, I don't know if I should use the DMZ/OPT1
interface or the LAN interface. I won't need anything connected to the
interface on the m0n0 box so could I actually just connect the AP to the
interface and my hotspot becomes "another lan" in effect?
I then need to make sure m0n0 blocks all access to my actually "real"
lan since all I want the wireless clients to do is surf and not sniff my
network. Would I simply need to setup a rule for the LAN interface that
would block all outgoing traffic that had a destination of
Lastly, I need m0n0 to block access to everything the wireless clients
do except pop3, http, and https. Would I simply add a set of allow
the LAN interface again something to the idea of this:
Proto Source Port Destination Port
TCP LAN net * * 80 (HTTP)
TCP LAN net * * 110 (POP3)
TCP LAN net * * 443 (HTTPS)
Then at the bottom of those 3 rules have one that blocks EVERYTHING
Thanks in advance for any help, guys!
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