Re: Think outside the GUI challenge #1

  • From: "Thor \(Hammer of God\)" <thor@xxxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 28 Dec 2005 16:19:20 -0800

I'm going to pretend like I never read that. Ethernet signals are used to modulate audio signals? I'll have a puff, please.

t

-----
"I may disapprove of what you say,
but I will defend to the death your
right to say it."


----- Original Message ----- From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Wednesday, December 28, 2005 3:41 PM
Subject: [isalist] Re: Think outside the GUI challenge #1



http://www.ISAserver.org

Actually, the ones that bridge Ethernet to telco are modems.
They use the Ethernet signals to modulate the audio signals carried to the DSLAM.


--------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
--------------------------------------------
-----Original Message-----
From: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
Sent: Wednesday, December 28, 2005 1:13 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org

Just like the marketroids call them "modems."  There ain't a BIT o' analog
modulation a'goin on...

-----
"I may disapprove of what you say,
but I will defend to the death your
right to say it."


----- Original Message ----- From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Wednesday, December 28, 2005 12:48 PM
Subject: [isalist] Re: Think outside the GUI challenge #1



http://www.ISAserver.org

..but of course you have, oh Diva of SBS fame.

The marketroids call them "routers".
Sometimes they're part of the modem; sometimes not.
Sometimes they're configured for NAT, sometimes not.
When it's not NAT-ing, it's acting like a hub (bridge).

In this case, the only interesting part is that the device is configured as
a bridge.

--------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
--------------------------------------------

-----Original Message-----
From: Amy Babinchak [mailto:amy@xxxxxxxxxxxxxxxxxxxxxxxxxx]
Sent: Wednesday, December 28, 2005 12:37 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org

What's a DSL bridge? I've never run into one of those in small business
land.

Amy

Harbor Computer Services
Small Business Computer Specialists

Client Blog: http://smalltechnotes.blogspot.com/
Tech Blog: http://isainsbs.blogspot.com/
Website: http://www.harborcomputerservices.net/



-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Wednesday, December 28, 2005 3:10 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org

Oooo..k.

Jeff gets step #1.
For those of us not "netsh-aware", the full command would be (assuming you
named the external interface "north"):
- netsh int ip add addr north 10.0.0.1 255.255.255.0

Alexandre gets "most sickliest response". :-p

To continue the challenge, answer the following questions:
1. why doesn't it work yet?
2. what non-GUI step must be taken to make it work?

..remember; ISA policies are not interesting yet.

--------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
--------------------------------------------

-----Original Message-----
From: Alexandre Gauthier [mailto:gauthiera@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, December 28, 2005 12:01 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org

Your answer makes me moist in my special places.

-----Message d'origine-----
De : Bunting, Jeff [mailto:BUNTING@xxxxxxxxxxxx]
Envoyé : 28 décembre 2005 14:58
À : [ISAserver.org Discussion List]
Objet : [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org

how about with
netsh interface ip add address

Jeff

-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Wednesday, December 28, 2005 2:29 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org

Remember; this is the "out of the GUI" challenge.
How would you accomplish item 1 from the command line?

Also, it still won't work (incomplete).
What other non-ISA, non-GUI steps must be taken?

#2 answered correctly.

--------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
--------------------------------------------

-----Original Message-----
From: Roy Tsao [mailto:roy_tsao@xxxxxxxxxxxx]
Sent: Wednesday, December 28, 2005 11:07 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: Think outside the GUI challenge #1

http://www.ISAserver.org


1) Bind a additional static IP 10.0.0.X/24 to ISA External Interface 2) In case of dynamic IP, static IP can't assign as per 1)


Merry Xmas & Happy New Year!

In the spirit of giving, here's a "think outside the GUI" challenge
for
you.

Scenario:
- ISA is connected directly to the Internet via a "manageable" DSL
bridge
- ISA uses 123.123.123.123/24 static external IP; DG = 123.123.123.1
- Internal LAN uses 10.9.8.x/24
- DSL bridge has unchangeable 10.0.0.2/24 internal IP
- DSL bridge offers web-based management on that internal IP

Internet
   |
      DSL Bridge
         |- 10.0.0.2/24
   |- 123.123.123.123/24
        ISA
         |- 10.9.8.x/24
  LAN

Note:
- The DSL bridge internal IP is irrelevant to normal Internet access.
Because it's operating in "bridge" (as opposed to NAT) mode, it's
effectively transparent to the ISA for Internet traffic.

Challenges:
1. Allow either ISA-local or ISA-internal to access the DSL bridge web
interface 2. Explain why the correct solution is impossible to
implement if the ISP provides a dynamic IP.

Hint:
- The core of the solution has nothing whatsoever to do with ISA
itself.

-------------------------------------------- Jim Harrison MCP(NT4, W2K), A+, Network+, PCG http://isaserver.org/Jim_Harrison/ http://isatools.org Read the help / books / articles! --------------------------------------------


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