RE: My ISA 2004 has gone completely berserk

  • From: "Steve Moffat" <steve@xxxxxxxxxx>
  • To: "ISA Mailing List" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 2 Dec 2004 12:00:07 -0400

You need to publish it as a mail server, external ip to internal IP

Then you need to allow smtp in and outwith an allow rule, simple

Steve

-----Original Message-----
From: Steven Andreca [mailto:sandreca@xxxxxxxx] 
Sent: Thursday, December 02, 2004 9:39 AM
To: ISA Mailing List
Subject: [isalist] RE: My ISA 2004 has gone completely berserk

http://www.ISAserver.org

The same configuration worked fine with my ISA 2000 (luckily I still
have that box and revived it until I figure this one out).

Exchange is on a member server behind ISA. Internal DNS is on the DC and
it uses my ISP's DNS as forwarders. My external DNS is resolved at
NetSol.

I believe it's got something to do with the way I published the
Exchange.
There's contradicting articles out there. One says you just use the
"Publish a mail server" task and another says you need to do the
"Inbound SMTP", "Outbound SMTP" and "Outbound DNS" rules. First didn't
work (for
incoming) so I used the second one. I thought that was working but now
it appears it wasn't. For some reason though, it was working every once
in a while. I could send myself e-mails from Yahoo but not from MSN, for
example. Stupid me I wasn't watching the alerts. The exact phrasing of
the alert is: "Server publishing rule (Inbound SMTP) that maps <mail
server IP>:25 TCP to <external ISA IP>:25 for protocol [SMTP Server] was
unable to bind a socket for the server. The server publishing rule
cannot be applied. The failure is due to error:
0x80070034." Couldn't find anything about the error at M$.

And then there's all those detected "all port scan attacks" from my
internal DC. I guess I should just turn the "Intrusion detection" off.

Anyway, I think Jim's right: I should start from scratch and do one
thing at the time.

Can anyone tell me what the best article about publishing Exchange is?
(Including RPC over HTTP)

Thanks guys.
Steven


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