RE: ISA loses DNS
- From: nick@xxxxxxxxxxxx
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 11 Mar 2002 17:12:02 +0800
I have the same problem here,
my DNS is on linux platform...behind ISA of course
and this is the only problem i had since installation except for the VPN
client ip conflict with ISA gateway..
anyway
so i thought my outlook was messing up
but after hearing from u guys i think its the same thing when the users
send/receive their
emails, the sending task does not run so the email gets stuck in the outbox
folder but after a few hours
it runs properly...i have no problems with my bandwidth or any other virus
apps im sure of that....
i think its the same time it got problems when i installed my SP1 on my ISA
maybe it is or a DOS???
----- Original Message -----
From: <patricks@xxxxxxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Monday, March 11, 2002 4:09 PM
Subject: [isalist] RE: ISA loses DNS
> http://www.ISAserver.org
>
>
>
> I had the same problem last month. I though I had fixed it by
> reinstalling ISA etc. This weekend, I have found the problem re
> occurring.
>
> My issue is that the DNS UDP server publishing rules stop processing
> requests. If I do a netstat -an, then these ports are still open, so ISA
> is not completely dropping these rules, it is simply not forwarding any
> requests.
>
> The TCP rule still works however. I have had this server working for
> about 6 months without this issue, it is only in the last month or so
> that this issue has arisen, so I can only assume it is due to ISA sp1 or
> another hotfix that has been applied. My only other theory is that
> someone has developed a denial of service attack!!
>
> Peter, if you hear anything back from MS, please let me know.
>
>
> Patrick
>
> -----Original Message-----
> From: Joseph [mailto:cismic@xxxxxxx]
> Sent: 10 March 2002 16:31
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: ISA loses DNS
>
>
> http://www.ISAserver.org
>
>
> A few questions.
>
> 1. Are both your DNS servers for the outside world? Meaning you have 1
> with public accessible information? www.yourweb.com etc? And the other
> with your internal domain information?
> Typically the gateway IP address of each of the machines should be
> 127.0.0.1
> And would use forwarders out to the internet.
> FIRWALL -- DNS -- DNS
>
> 2. Are they both active directory enabled?
> 3. Are you using a DMZ
> FIREWALL -- DMZ -- WEBS -- FIREWALL -- DNS -- DNS?
>
> 4. There is a good article located on http://www.isaserver.org that
> discusses pre ISA installation and DNS setup.
>
>
> Joseph
> -----Original Message-----
> From: Peter Vogel [mailto:peterv@xxxxxxxxx]
> Sent: Sunday, March 10, 2002 7:57 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] ISA loses DNS
>
> http://www.ISAserver.org
>
>
>
> I have my two DNS servers behind the ISA server. There is an ongoing
> problem that Microsoft is looking into for me. After several days all
> DNS
> information is lost, and until the ISA stuff is restarted, my web
> servers
> are inaccessible.
>
> Any ideas? MS has been working on this for more than week now.
>
>
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