RE: Avoid DNS

Actually, I was referring to Web proxy clients, but the same applies to FW 
clients.
You can reset the ISA DNS Web Proxy and Firewall DNS cache by restarting the 
services.
This article 
http://isaserver.org/tutorials/ISA_Clients__Part_1__General_ISA_Server_Configuration.html
 deals with how to minimize the ISA services DNS caches.

 Jim Harrison
 MCP(NT4, W2K), A+, Network+, PCG
 http://isaserver.org/pages/author_index.asp?aut=3
 http://isatools.org
 Read the help / books / articles!

  ----- Original Message ----- 
  From: Amy Babinchak 
  To: [ISAserver.org Discussion List] 
  Sent: Wednesday, November 27, 2002 4:35 AM
  Subject: [isalist] RE: Avoid DNS


  http://www.ISAserver.org


  Yes, these are proxy clients. The workstations have the firewall client 
loaded. I did try adding the ip address to the hosts file on the isa server 
before coming to the list but it didn't appear to work. If I ping the domain 
name from the server I do get the address back that I want but when I try to 
view the site in the browser I get the other one. I cleared the cache from my 
browser, no help. Is there an easy way to clear cache from the ISA server?



  Amy 



  -----Original Message-----
  From: Jim Harrison [mailto:jim@xxxxxxxxxxxx] 
  Sent: Tuesday, November 26, 2002 9:45 PM
  To: [ISAserver.org Discussion List]
  Subject: [isalist] RE: Avoid DNS



  http://www.ISAserver.org

  ..unless it's a web proxy client, in which case, the ISA performs name 
resolution.

  Given that this test failure is a web site, I'm inclined to think that this 
is the case.

  Place the "fake" site IP in the hosts file on the ISA and restart the web 
proxy services.



   Jim Harrison
   MCP(NT4, W2K), A+, Network+, PCG
   http://isaserver.org/pages/author_index.asp?aut=3
   http://isatools.org
   Read the help / books / articles!

    ----- Original Message ----- 

    From: John Tolmachoff 

    To: [ISAserver.org Discussion List] 

    Sent: Tuesday, November 26, 2002 5:55 PM

    Subject: [isalist] RE: Avoid DNS



    http://www.ISAserver.org

    First, trying to have two different IP addresses for 2 different websites 
with only one FQDN is asking for problems.



    If the workstation is not using the HOSTS file first, something is wrong. 
It must always use the HOSTS file first.



    Please check the configuration.



    John Tolmachoff MCSE, CSSA

    IT Manager, Network Engineer

    RelianceSoft, Inc.

    Fullerton, CA  92835

    www.reliancesoft.com



    -----Original Message-----
    From: Amy Babinchak [mailto:Amy@xxxxxxxxxxxxxxxxxxxxxxxxxx] 
    Sent: Tuesday, November 26, 2002 5:46 PM
    To: [ISAserver.org Discussion List]
    Subject: [isalist] Avoid DNS



    http://www.ISAserver.org

    How can I configure the ISA server not to use DNS to look up the ip address 
of a particular domain name? 



    Here is the situation. The website is being updated. The old website is 
still online at www.ourcompany.com. The new website is under construction and 
being housed on another server. Users need to be able to type 
www.ourcompany.com and get to the under construction website not the old 
website being used by clients. 



    Before ISA server I could simply add (newIP address) www.ourcompany.com to 
the host file of the workstation. But now the workstation doesn't go to its 
host file to resolve names it uses the DNS on our ISA server. Both website 
locations are off-site. How can I specify the IP address of my domain so that 
the workstations will look only at the under construction location and not the 
one in DNS?



    Amy 



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