Re: client questions.

  • From: "Jim Harrison" <jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 9 Oct 2001 14:45:41 -0700

True; now that you mention it, it may help some folks "get it".
It's certainly not an easy concept to get your mind around, is it?

Jim Harrison
MCP(2K), A+, Network+, PCG


----- Original Message -----
From: "Ricardo Paranhos" <paranhos@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, October 09, 2001 12:39
Subject: [isalist] Re: client questions.


http://www.ISAserver.org



Ok, Jim. I agree with you. I just sent this picture because you
can see where the packets are going through into ISA internal modules,
and it was very usefull, to me, to understand how ISA handles requests
and the HTTP Redirector for SecureNAT and Firewall clients.

Regards,
Paranhos

-----Original Message-----
From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
Sent: terça-feira, 9 de outubro de 2001 15:39
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: client questions.


http://www.ISAserver.org


Actually, that picture depicts the ISA architecture, not the clients.
Also, it doesn't make the distinction between the "client" and the
"request", which is where most folks get hung up.

Jim Harrison
MCP(2K), A+, Network+, PCG


----- Original Message -----
From: "Ricardo Paranhos" <paranhos@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, October 09, 2001 08:48
Subject: [isalist] Re: client questions.


http://www.ISAserver.org



This is a multi-part message in MIME format.



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Check out this picture to better understand the architecture of ISA
clients. You can found it at ISA.chm help file.

Regards,
Paranhos


-----Original Message-----
From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
Sent: terça-feira, 9 de outubro de 2001 12:43
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: client questions.


http://www.ISAserver.org


WEB client = uses the web proxy service directly by making proxy-type
calls to the ISA int IP at the outbound listener port. FW client = uses
the firewall client software for all requests SecureNAT client = uses
ISA in IP as its default route (either directly or via routed network)
and has no extra software or settings

The difference between how the client is viewed by ISA is based on the
request how the request is made.  A host can be all three, but not for
every request.

Jim Harrison
MCP(2K), A+, Network+, PCG


----- Original Message -----
From: "brian tirch" <btirch@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, October 09, 2001 08:09
Subject: [isalist] client questions.


http://www.ISAserver.org


I have a couple of easy question ..... I have read that a machine can
not be a firewall client and a securenat client at the same time?? Also
some question about authentication. Firewall clients are the only client
that use authentication unless you force it on the web proxy client. Yet
firwall clients use the http redirector which states it does not pass
authentication but if you look in the report logs it show by user name
for the fw clients ... can someone explain this better to me?

brian

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