[fw-wiz] Strange setup

From: franco segna (fsegna_at_web.de)
Date: 02/26/04

  • Next message: Paul Robertson: "[fw-wiz] Incident data- 2000-2004?" 
    To: firewall-wizards@honor.icsalabs.com
Date: Thu, 26 Feb 2004 15:38:37 +0100

    Hi everybody,
    I'm being confronted with the following existing setup:

        T1 --------------------------------
    (Internet | LAN backbone |
     and VPNs) ------------+---+---+-+-+-+-+---
         | | | | | | | |
         | +-------+ local x.x.x.254/24 | | | | | | +-
         | | Sonic +---------------------+ | | | | +-
         +--+ Wall | | | | |
            | Pro +------+ | | | +- SQL
            +-------+ dmz | | | +-- mail
                      (?) | +--------+ | +--- etc.
                           | | MS ISA | |
                           +--+ 2000 +------+
                              | Server | x.x.x.251/24
                              +--------+

    The public web server is hosted elsewhere. The LAN comprises 30 workstations.
    To complicate the matter, the LAN address family x.x.x. is NOT RFC1918-compliant (and is conflicting with existing Internet hosts).
    The system is up and running, but I cannot understand the bypassing of the ISA server through the direct connection firewall/LAN. And the meaning of DMZ seems to be lost.
    Anyone can help me to understand the matter ? Thanks in advance

    Franco Segna 

    ---
Franco Segna  -  fsegna@web.de
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