RE: DNS and Slow access Issues with Secure NAT clients
- From: "Joseph" <cismic@xxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 15 Mar 2002 12:06:50 -0800
Tom,
I really enjoyed the presentation yesterday. I hope that you were able
to answer all the extra questions that were not answered online.
One question is there any preview chapters of your book for ISA and SBS
available?
Thank you,
Joseph
-----Original Message-----
From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: Friday, March 15, 2002 12:06 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS and Slow access Issues with Secure NAT
clients
http://www.ISAserver.org
Hi John,
It might be. I just haven't given it enough thought, and haven't run it
long enough, to figure out if its actually making a difference yet. So
far, so good, though. Ask me again on Monday :-)
Tom
-----Original Message-----
From: John Tolmachoff [mailto:jtolmachoff@xxxxxxxxxxxxxxxx]
Sent: Friday, March 15, 2002 1:35 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS and Slow access Issues with Secure NAT
clients
http://www.ISAserver.org
Could this issue be something caused by SP1?
John Tolmachoff
IT Manager, Network Engineer
211 E. Imperial Hwy., Suite 106
Fullerton, CA 92835
714-578-7999, ext. 104
jtolmachoff@xxxxxxxxxxxxxxxx
www.reliancesoft.com
-----Original Message-----
From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: Thursday, March 14, 2002 6:22 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS and Slow access Issues with Secure NAT
clients
http://www.ISAserver.org
Hi Karl,
I've noticed the same thing quite a bit recently. I haven't nailed down
the cause yet, but you describe the exact situation I've had relatively
frequently the last few days. Restarting the firewall service always
fixes it, but it often resolves itself.
HTH,
Tom
-----Original Message-----
From: Karl Schneider [mailto:kschneider@xxxxxxxxxxxxxx]
Sent: Thursday, March 14, 2002 5:46 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] DNS and Slow access Issues with Secure NAT clients
http://www.ISAserver.org
All of my clients are set up as SecureNAT clients. Their default
gateway points to the firewall. Every once in a while, I can no longer
do nslookup's to my ISP's DNS servers from my internal DNS server. The
client web access speed goes way down and pages start timing out. I am
able to do nslookup's from the firewall and am able to reach the
internet through the firewall. I also can plug in the firewall address
as the proxy server and internet access is a lot faster.
Has anyone else come accross this?
Karl
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