'Doble Dual Homed'

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List:       firewalls-gc
Subject:    Doble Dual Homed
From:       Javier Romero <jromero () mail ! firstcom ! com ! pe>
Date:       1999-11-28 0:33:11
[Download RAW message or body]

Hi and ni hao again folks!

Well, Have anybody build a doble dual homed?
The scenario is as follows>

                    Ś
                    Ś---DNS2
                    Ś
PROVIDER2---ROUTER--Ś---ŚFIREWALLŚ---------INTERNAL NETWORK-----
                    Ś   ŚDOBLE   Ś
                    Ś   ŚDUAL    Ś
PROVIDER1---ROUTER--Ś---ŚHOMED   Ś---------DMZ------------------
                    Ś
                    Ś---DNS1
                    Ś

Both providers have independent AS (Autonomous Systems)
The firewall have 2 IP add, one of the Provider1, and another of the
Provider2.
DNS1, have IP add of the Provider1
DNS2, have IP add of the Provider2
In the DMZ, exist a farm of web servers.
Each web server have 2 IP add, one of the Provider1, and another of the
Provider2.

Can the firewall forward correctly each request, of each provider's
network?

Please, if you don't understand, i can explain with more detail.

TIA.

[Attachment #3 (text/html)]

<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
<font face="Courier New,Courier">Hi and ni hao again folks!</font><font face="Courier \
New,Courier"></font> <p><font face="Courier New,Courier">Well, Have anybody build a \
doble dual homed?</font>
<br><font face="Courier New,Courier">The scenario is as follows></font><font \
face="Courier New,Courier"></font> <p><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;</font>
<br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;---DNS2</font>
<br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;</font>
<br><font face="Courier \
New,Courier">PROVIDER2---ROUTER--&brvbar;---&brvbar;FIREWALL&brvbar;---------INTERNAL \
NETWORK-----</font> <br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;&nbsp;&nbsp; &brvbar;DOBLE&nbsp;&nbsp; &brvbar;</font>
<br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;&nbsp;&nbsp; &brvbar;DUAL&nbsp;&nbsp;&nbsp; &brvbar;</font>
<br><font face="Courier \
New,Courier">PROVIDER1---ROUTER--&brvbar;---&brvbar;HOMED&nbsp;&nbsp; \
&brvbar;---------DMZ------------------</font> <br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;</font>
<br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;---DNS1</font>
<br><font face="Courier \
New,Courier">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &brvbar;</font><font face="Courier New,Courier"></font>
<p><font face="Courier New,Courier">Both providers have independent AS
(Autonomous Systems)</font>
<br><font face="Courier New,Courier">The firewall have 2 IP add, one of
the Provider1, and another of the Provider2.</font>
<br><font face="Courier New,Courier">DNS1, have IP add of the Provider1</font>
<br><font face="Courier New,Courier">DNS2, have IP add of the Provider2</font>
<br><font face="Courier New,Courier">In the DMZ, exist a farm of web servers.</font>
<br><font face="Courier New,Courier">Each web server have 2 IP add, one
of the Provider1, and another of the Provider2.</font><font face="Courier \
New,Courier"></font> <p><font face="Courier New,Courier">Can the firewall forward \
correctly each request, of each provider's network?</font><font face="Courier \
New,Courier"></font> <p><font face="Courier New,Courier">Please, if you don't \
understand, i can explain with more detail.</font><font face="Courier \
New,Courier"></font> <p><font face="Courier New,Courier">TIA.</font></html>


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