RE: question
- From: Chan Ricky-NYKSYPL <Chan-R@xxxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 21 Jul 2004 17:21:30 -0400
Hi Tom,
From SecureNAT client, I tried ping www.isaserver.org, I received "ping request
could not find host www.isaserver.org. Please check the name and try again.
Thanks
Ricky
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 5:17 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Hi Ricky,
When you ping www.isaserver.org what response do you get?
Tom
www.isaserver.org/shinder
Get the book!
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
-----Original Message-----
From: Chan Ricky-NYKSYPL [mailto:Chan-R@xxxxxxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 4:11 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Tom,
I make sure that part is correct, because my SecureNAT client can access
Internet with my ISA 2000 server.
I'm very sorry to extend this topic, but I just dont' know how to get
this fix...
Thanks
Ricky
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 5:04 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Hi Ricky,
Well, then you have me stumped :-)
Just to make sure, the external interface of the ISA firewall is using a
default gateway address that matches the LAN interface of the upstream
DSL router?
Thanks!
Tom
www.isaserver.org/shinder
Get the book!
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
-----Original Message-----
From: Chan Ricky-NYKSYPL [mailto:Chan-R@xxxxxxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 3:56 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Tom,
Yes. NetMon can't detect the ping request from SecureNAT client to
external interface of ISA server.
What is missing?
Thanks
Ricky
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 4:41 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Hi Ricky,
Not for ICMP. The key is the NetMon trace on the external interface of
the ISA firewall when you do the ping from the internal network
SecureNAT client.
HTH,
Tom
www.isaserver.org/shinder
Get the book!
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
-----Original Message-----
From: Chan Ricky-NYKSYPL [mailto:Chan-R@xxxxxxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 3:19 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Tom,
By the way, does local client need to install firewall client?
Thanks
Ricky
-----Original Message-----
From: Chan Ricky-NYKSYPL [mailto:Chan-R@xxxxxxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 3:40 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Tom,
Thanks for your advice.
Now, I make sure that I using NetMon for the "external" interface of isa
firewall, but I didn't see anything at all this time. (I was point to
diff interface before)
What's wrong?
Thanks
Ricky
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Wednesday, July 21, 2004 3:35 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: question
http://www.ISAserver.org
Hi Ricky,
That line isn't a ICMP entry, it's the dreaded NBT entry that I used to
see on my ISA 2000 firewall :-))
If you see the outbound ICMP Query request, but no ICMP query reply
(remember, you're using NetMon on the *external* interface of the ISA
firewall), then the problem isn't the firewall, it's something upstream.
HTH,
Tom
www.isaserver.org/shinder
Get the book!
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
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Network Security Library: http://www.secinf.net/
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Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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