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Date:      Wed, 31 Oct 2001 09:13:16 -0800
From:      Gregory Carvalho <GregoryC@stcinc.com>
To:        FreeBSD-Questions@FreeBSD.ORG
Subject:   Firewall on Qwest DSL Configuration
Message-ID:  <3BE0312C.212E8B5A@stcinc.com>

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I would appreciate feedback on the legitimacy of this proposed
configuration.

I have obtained a SDSL from Qwest with 5 IP address, 130.120.110.65,
.66, .67, .68, and .69 with a netmask of 255.255.255.248. The Cisco 678
MUST be the router connected to Qwest, per Qwest.

Qwest Central Office
    |
    | SDSL
    |
Cisco 678
   NIC: 130.120.110.70
    |
    | Network 130.120.110.64
    |
   NIC (xl0): 130.120.110.69
FreeBSD Firewall
   NIC (xl1): 192.168.49.1:255.255.255.0
   NIC (xl2): 192.168.50.1:255.255.255.0

xl1 is the DMZ
xl2 is the the office LAN

Now, can I configure a host on xl1 as follows:

ifconfig xl0 inet 192.168.49.2 netmask 255.255.255.0
ifconfig xl0 alias 130.120.110.69 netmask 255.255.255.248

Do you suppose BIND, Apache, and sendmail will function properly with
the internet at large with this configuration?

TIA,
Greg

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