Re: Simple ISA Setup Required

  • From: Jim Harrison <jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 18 Dec 2003 21:14:45 -0800

Using your browser to access web pages and ICMP are two entirely different 
matters.
In order for an internal client to use ICMP, you must:
1. configure the LAT host as a SecureNAT client
2. enable IP Routing in IP Packet Filtering properties.

If you can't accomplish both of these things, you can't ping across the ISA.

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


On Fri, 19 Dec 2003 14:55:56 +1000
 "Rolland Basi" <basi948@xxxxxxxxxxx> wrote:
http://www.ISAserver.org

Hi All,

I still have unsolved my problem after several times now uninstalling and 
reinstalling my ISA Server.
The problem is that I can't ping my ISP from all other computers except from 
the ISA Server itselft.

I guess its my setup arrangements which is causing this problem. I can't find 
any simple setup arrangement similar to mine after searching the ISA Articles.

My setup is as follows:
I have a leased lined to my ISP. At my end my setup is as follows:

LAN (DNS, DHCP) ------>ISA Server  ------> Cisco 800 series Router -------> 
NTU(Leased Line Modem) -------> ISP

My questions are,
1. Is there any article which I can refer to on how to configure my ISA Server 
in regard to this setup?
2. Otherwise, is there a different setup arrangement that will enable me to 
ping the ISP Server on other computers without reconfiguring the Router or 
requiring other devices?
3. Why is it that Browsing is possible from all computers but impossible for 
pinging even when ICMP Outbound IP Packet Filter and Protocol rules to allow 
any request has been configured.


Pls I need your help.

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