Looks to me like you didn't allow NetBIOS (NBT) between the DMZ and your
internal net. I'd bet you see a lot of dropped traffic for TCP/UDP
135,137,138,139 in the log viewer, right? Incidently, it really isn't a
good idea to have everything on the same domain.... Just my .01.
Jason
At 04:02 PM 7/3/00 +0530, Vinod P. Thomas wrote:
> Hi, This is an overview of the network we're working on:
> NAT on FW
> hidden behind 1 public IP
> static to a public IP The whole
>network is in the same NT domain.The mail server is in the DMZ, running
>Exchange 5.5..SP3 onWinNT4.0. We just moved the mail server from the
>private network to the DMZ. The problem is, we don't find database sync'ing
>happening between the mail server(NT BDC) and the PDC which is in the
>private network. Otherwise, the mail server is functioning normally wrt
>sending and receiving mails. This sync'ing is essential, else, a user
>changing his password will have authentication problems the next time he
>tries logging onto the mail server as Exchange uses NT for authentication.
>As far as FW policy goes, between the pvt n/w and the DMZ, the following
>services have been enabled:
>http, https, smtp, pop3. Does this problem have anything to do with the FW
>or is this an NT-related problem? Whichever, could you help me out here?
>Thanks and regards.
>Vinod.
>--
>Vinod P Thomas
>Network Support Engineer
>Euclid Network Solutions, Inc.
>1/36, Hanumanthappa Layout
>Ulsoor Road, Bangalore-560042 : 91-80-5580141/2/3/4
> : 91-80-5580145
>Website : www.euclidnet.com
>
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