Re: Think outside the GUI challenge #1
- From: "Roy Tsao" <roy_tsao@xxxxxxxxxxxx>
- To: isalist@xxxxxxxxxxxxx
- Date: Wed, 28 Dec 2005 12:07:28 -0700
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!
> --------------------------------------------
>
>
> All mail to and from this domain is GFI-scanned.
Other related posts:
