RE: DNS and Slow access Issues with Secure NAT clients
- From: "Thomas W. Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Sat, 16 Mar 2002 11:43:11 -0600
Hi Joseph,
They didn't put the names on the questions, although there were a couple
of "interesting" ones :-)
Regarding SBS -- I think that's a pretty big market that gets way too
overlooked. Esp. now that it seems like Microsoft wants to play more and
more in the Sun and IBM markets. Good ideas regarding including a
security crib sheet for Small Business. They're LANs need securing as
much as anyone elses, and its often done by the local "Power User" who
knows how to make Word macros or change the screen resolution :-)
However, you can teach those power users quite a bit if you give them
the right info.
Thanks!
Tom
-----Original Message-----
From: Joseph [mailto:cismic@xxxxxxx]
Sent: Friday, March 15, 2002 3:01 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS and Slow access Issues with Secure NAT
clients
http://www.ISAserver.org
Tom,
Wonderful! I think that SBS is one over looked animal when it comes to
setup and maintenance. It is not zero free for the admin of that
machine.
Small business should not be over looked. They need a plan for proactive
and reactive response to their security and your book may just fit the
bill.
By the way I thought my question was a funny one!
Joseph
-----Original Message-----
From: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: Friday, March 15, 2002 12:58 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS and Slow access Issues with Secure NAT
clients
http://www.ISAserver.org
Hi Joseph,
Thanks! The time went by so quickly and I really wanted to say more, and
more slowly, the topics indicated in the slides. The hour felt like
about 10 minutes.
They sent me a list of the unanswered questions and I answered them last
night, so they should be getting them up on the Web site sometime next
week.
I'm frying up an outline for the book this weekend and I'll post it to
the Web site when I'm done for your review, comment and enjoyment :-)
Thanks!
Tom
-----Original Message-----
From: Joseph [mailto:cismic@xxxxxxx]
Sent: Friday, March 15, 2002 2:07 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS and Slow access Issues with Secure NAT
clients
http://www.ISAserver.org
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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