You don't. It's a firewall. You're supposed to block that stuff ;-)
Seriously though, if you truly need to, simply allow Check Point's NBT
service group. This will include several ports in the range of 135-139,
which NetBIOS needs (nbname, nddatagram, etc.). Be sure you lock down
the source and destinations, however. There are thousands of nasty
things an attacker can do with NetBIOS, including remotely taking
control of your servers, cracking passwords, etc....
Jason
> Dave Black wrote:
>
> Hi all,
>
> Anyone know exactly which service or port number I have to allow for
> NTLM (WindowsNT Challenge Response) to be passed thru the firewall?
> The server in question is an IIS 4.0 using NTLM.
>
> Any help is appreciated.
>
> Dave Black
> Senior Software Engineer
> extendedcare.com
> (847) 790-8629
> [EMAIL PROTECTED]
> Home Page: http://www.daveblack.net
>
>
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