RE: ISA is still not working

  • From: "Kevin S. Malinowski" <Kevin@xxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 2 Jan 2004 16:36:32 -0700

Rolland,

Your ISA internal address and the internal client addresses should not have 
public addresses. (Such as something in the 10.0.0.0/8, 172.16.0.0/26 thru 
172.31.0.0/16, or 192.168.0.0/24 thru 192.168.255.0/24 ranges. It is not 
manadatory that you use one of these ranges but they non routable internet 
addresses and will result in fewer problems.)

Ensure that the internal address range you choose is in the LAT (and external 
addresses are not).

Kevin


-----Original Message-----
From: Rolland Basi [mailto:basi948@xxxxxxxxxxx]
Sent: Friday, January 02, 2004 4:20 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA is still not working


http://www.ISAserver.org

Hello ISA Profs;

Happy New year to you all.

I am still having problem with my ISA Server. ie with pinging from SecureNAT
clients.

Here are my configurations:

ISP IP Address: 202.1.59.8
mask:              255.255.255.248
Gateway:        202.1.59.10

Router Ip Add: 199.245.180.18

ISA Ext. NIC:   199.245.180.29
    Sub. Mask:  255.255.255.0
    DGateway: 199.245.180.18

ISA Int. NIC:  199.245.180.28
    Sub.Mask:  255.255.255.0
    DGateway: none

SecureNAT Clients with Static IP Addresses:
eg.  IP Add:    199.245.180.19
       Mask:       255.255.255.0
       Gateway: 199.245.180.28

      DNS: 199.245.180.28

The ISA Server's Ext NIC is plugged into the Router's Ethernet port. The
Router is then connected to the ISA via a Leased Line.

Can someone figure out where my problem is. I mean what's blocking my SNAT
clients from pinging the ISP Server. I've enable IP filtering and ICMP
outbound but still doesn't work.
As I mentioned in my previous emails, Web browsing is fine.

Please, this has taken me almost a month to get this working, I really need
your help.

Thanks alot.
Rolland

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