[isalist] Re: Blocking Instant messenging for SecureNAT

  • From: "Tom Rogers" <trogers@xxxxxxxxxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 25 Apr 2008 21:38:28 -0400

As SecureNAT clients, you cannot use authentication right?


________________________________

        From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Thomas W Shinder
        Sent: Monday, April 21, 2008 3:41 PM
        To: isalist@xxxxxxxxxxxxx
        Subject: [isalist] Re: Blocking Instant messenging for SecureNAT
        
        
        It's not quite as easy as that :)
         
        First, you have to identify what IMs you want to block.
         
        Then you need to block access to their IM'ers log on site.
         
        If you want to allow authenticated users access, then you can
create a second rule that allows access to those sites. Make sure to put
the anonymous rule before the authenticated rule.
         
        HTH,
        Tom
         
        Thomas W Shinder, M.D.
        Site: www.isaserver.org <http://www.isaserver.org/> 
        Blog: http://blogs.isaserver.org/shinder/
        Book: http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7> 
        MVP -- Microsoft Firewalls (ISA)

         


________________________________

                From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Rogers
                Sent: Monday, April 21, 2008 2:09 PM
                To: isalist@xxxxxxxxxxxxx
                Subject: [isalist] Blocking Instant messenging for
SecureNAT
                
                
                Can someone point me to any documentation on how to
block all IM's if the clients are SecureNATs
                 
                TIA,
                 
                -TRogers
                 
                 

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